CPU Information

Choosing your processor consists of a couple of steps. First you need to determine what type of processor you want: Intel or AMD, and which of their respective product lines. Each motherboard only supports a single type of socket, which may have one or more CPU types that fit it, so if you aren't seeing the options you want you may need to adjust the motherboard first. Once you have taken care of that step, you need to decide the exact model you'd prefer. Within a single product line the differences between processors will be one or more of the following specifications:

Clock Speed: This is the easiest metric to see when looking at a processor, and when comparing models within the same product line can be very helpful. If all other specs are equal, then this will show a linear performance difference: if the clock speed of one chip is 10% higher than another then it will perform tasks ~10% faster. Be careful of using this when comparing different processor series or brands, though, as there are many other differences that can have a larger effect - some of which are listed below.

Number of Cores: Modern CPUs have multiple cores in them, each of which can independently work on processing something. If you tend to run multiple programs at the same time, or if you have very demanding software that can use multiple processor cores at the same time, then getting a chip with as many cores as possible will help. Some chips from Intel also support Hyper-threading technology, where each core can switch back and forth between two tasks very quickly. One Hyper-threaded core isn't as effective as actually having two real ones, but it can be a way to improve performance without adding additional real cores.

On-Chip Cache: This is super-fast and efficient memory integrated into the processor, which it uses to store short-term or frequently accessed data. This type of memory is so zippy because it runs at the full clock speed of the processor, meaning at the gigahertz level. Cache is the first place the CPU looks for instructions. If not found, then the CPU must rely on the much slower system RAM, which operates at the megahertz level. Most CPUs today have on-chip L1 (level 1) and L2 cache, and some also have on-chip L3 cache. The L2 cache size will often be one of the main differences between CPUs, and as a general rule of thumb the larger the L2 cache the better the performance will be.

Enough technical jargon, which is faster?!?

CPU technology changes so often that anything we write proclaiming one processor to be the best will quickly be outdated. If you want the latest info you can call or email our sales team - they keep up on these things so that you don't have to! If you are just looking for a decent performing computer, though, none of the processor options we list will be a bad choice. For the best value, look at the price differences between models in relation to the speed jumps - and select one where the next model up costs a lot more, but the model down doesn't save much.
 Intel Core i3 8350K 4.0GHz Quad Core 8MB 91WIntel Core i5 8400 2.8GHz Six Core 9MB 65WIntel Xeon E3-1225 V6 3.3Ghz Quad Core 8MB 73WIntel Xeon E5-2603 V4 1.7GHz Six Core 15MB 85WIntel Core i5 8600K 3.6GHz Six Core 9MB 95WIntel Xeon E3-1245 V6 3.7GHz Quad Core 8MB 73WIntel Xeon E5-2609 V4 1.7GHz Eight Core 20MB 85WIntel Core i7 8700 3.2GHz Six Core 12MB 65WIntel Xeon E3-1275 V6 3.8GHz Quad Core 8MB 73WIntel Core i7 7800X 3.5GHz Six Core 8.25MB 140WIntel Core i7 8700K 3.7GHz Six Core 12MB 95WIntel Core i7 8086K 4.0GHz Six Core 12MBIntel Xeon Silver 4108 1.8GHz Eight Core 11MB 85WIntel Xeon E5-2620 V4 2.1GHz Eight Core 20MB 85WIntel Xeon W-2125 4.0GHz 4 Core 8.25MB 120WAMD Ryzen Threadripper 1900X 3.8GHz Eight Core 180WIntel Xeon E5-2623 V4 2.6GHz Quad Core 10MB 85WIntel Core i7 7820X 3.6GHz Eight Core 11MB 140WIntel Xeon Silver 4114 2.2GHz Ten Core 13.75MB 85WIntel Xeon E5-2630 V4 2.2GHz Ten Core 25MB 85WAMD Ryzen Threadripper 1920X 3.5GHz Twelve Core 180WIntel Xeon W-2135 3.7GHz 6 Core 8.25MB 140WAMD Ryzen Threadripper 1950X 3.4GHz Sixteen Core 180WIntel Xeon E5-2640 V4 2.4GHz Ten Core 25MB 90WIntel Core i9 7900X 3.3GHz Ten Core 13.37MB 140WIntel Xeon E5-2637 V4 3.5GHz Quad Core 15MB 135WIntel Xeon W-2145 3.7GHz 8 Core 11MB 140WIntel Core i9 7920X 2.9GHz Twelve Core 16.5MB 140WIntel Xeon Gold 5122 3.6GHz Quad Core 16.5MB 105WIntel Xeon E5-2650 V4 2.2GHz Twelve Core 30MB 105WIntel Core i9 7940X 3.1GHz Fourteen Core 19.25MB 165WIntel Xeon W-2155 3.3GHz 10 Core 13.75MB 140WIntel Xeon E5-2660 V4 2.0GHz Fourteen Core 35MB 105WIntel Core i9 7960X 2.8GHz Sixteen Core 22MB 165WIntel Xeon E5-2643 V4 3.4GHz Six Core 20MB 135WIntel Xeon Gold 6128 3.4GHz Six Core 19.25MB 115WIntel Xeon E5-2680 V4 2.4GHz Fourteen Core 35MB 120WIntel Xeon E5-2683 V4 2.1GHz Sixteen Core 40MB 120WIntel Xeon W-2175 2.5GHz 14 Core 19.25MB 140WIntel Core i9 7980XE 2.6GHz Eighteen Core 24.75MB 165WIntel Xeon Gold 6132 2.6GHz Fourteen Core 19.25MB 140WIntel Xeon E5-2667 V4 3.2GHz Eight Core 25MB 135WIntel Xeon E5-2690 V4 2.6GHz Fourteen Core 35MB 135WIntel Xeon E5-2687W V4 3.0GHz Twelve Core 30MB 160WIntel Xeon E5-2695 V4 2.1GHz Eighteen Core 45MB 145WIntel Xeon Gold 6136 3.0GHz Twelve Core 24.75MB 150WIntel Xeon W-2195 2.3GHz 18 Core 24.75MB 140WIntel Xeon E5-2697 V4 2.3GHz Eighteen Core 45MB 145WIntel Xeon E5-2697A V4 2.6GHz Sixteen Core 45MB 145WIntel Xeon Gold 6148 2.4GHz Twenty Core 27.5MB 140WIntel Xeon E5-2698 V4 2.2GHz Twenty Core 50MB 135WIntel Xeon Gold 6154 3.0GHz Eighteen Core 24.75MB 200WIntel Xeon Gold 6152 2.1GHz Twenty-Two Core 30.25MB 140WIntel Xeon E5-2699 V4 2.2GHz Twenty-Two Core 55MB 145WIntel Xeon Platinum 8168 2.7GHz Twenty-Four Core 33MB 205WIntel Xeon Platinum 8180 2.5GHz Twenty-Eight Core 38.5MB 205W
Product LineCore i3 Core i5 Xeon Xeon Core i5 Xeon Xeon Core i7 Xeon Core i7 Core i7 Core i7 Xeon Xeon Xeon Ryzen Xeon Core i7 Xeon Xeon Ryzen Xeon Ryzen Xeon Core i9 Xeon Xeon Core i9 Xeon Xeon Core i9 Xeon Xeon Core i9 Xeon Xeon Xeon Xeon Xeon Core i9 Xeon Xeon Xeon Xeon Xeon Xeon Xeon Xeon Xeon Xeon Xeon Xeon Xeon Xeon Xeon Xeon
Code NameCoffee Lake Coffee Lake Kaby Lake-S Broadwell-EP Coffee Lake Kaby Lake-S Broadwell-EP Coffee Lake Kaby Lake-S Skylake-X Coffee Lake Coffee Lake Purley Broadwell-EP Skylake Zen Broadwell-EP Skylake-X Purley Broadwell-EP Zen Skylake Zen Broadwell-EP Skylake-X Broadwell-EP Skylake Skylake-X Purley Broadwell-EP Skylake-X Skylake Broadwell-EP Skylake-X Broadwell-EP Purley Broadwell-EP Broadwell-EP Skylake Skylake-X Purley Broadwell-EP Broadwell-EP Broadwell-EP Broadwell-EP Purley Skylake Broadwell-EP Broadwell-EP Purley Broadwell-EP Purley Purley Broadwell-EP Purley Purley
Socket1151 1151 1151 2011-3 1151 1151 2011-3 1151 1151 2066 1151 1151 3647 2011-3 2066 TR4 2011-3 2066 3647 2011-3 TR4 2066 TR4 2011-3 2066 2011-3 2066 2066 3647 2011-3 2066 2066 2011-3 2066 2011-3 3647 2011-3 2011-3 2066 2066 3647 2011-3 2011-3 2011-3 2011-3 3647 2066 2011-3 2011-3 3647 2011-3 3647 3647 2011-3 3647 3647
Process14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm
Number of Cores4 6 4 6 6 4 8 6 4 6 6 6 8 8 4 8 4 8 10 10 12 6 16 10 10 4 8 12 4 12 14 10 14 16 6 6 14 16 14 18 14 8 14 12 18 12 18 18 16 20 20 18 22 22 24 28
Clock Speed4.00 GHz2.80 GHz3.3 GHz1.7 GHz3.60 GHz3.7 GHz1.7 GHz3.20 GHz3.8 GHz3.50 GHz3.70 GHz4.00 GHz1.80 GHz2.1 GHz4.00 GHz3.80 GHz2.6 GHz3.60 GHz2.2 GHz2.2 GHz3.50 GHz3.70 GHz3.40 GHz2.4 GHz3.30 GHz3.5 GHz3.70 GHz2.90 GHz3.60 GHz2.2 GHz3.10 GHz3.30 GHz2.0 GHz2.80 GHz3.4 GHz3.40 GHz2.4 GHz2.1 GHz2.50 GHz2.60 GHz2.60 GHz3.2 GHz2.6 GHz3.0 GHz2.1 GHz3.00 GHz2.30 GHz2.3 GHz2.6 GHz2.40 GHz2.2 GHz3.00 GHz2.10 GHz2.2 GHz2.70 GHz2.50 GHz
HyperthreadingNo No No No No Yes No Yes Yes Yes Yes Yes Yes Yes Yes No Yes Yes Yes Yes No Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Turbo BoostNo Yes Yes No Yes Yes No Yes Yes Yes Yes Yes Yes Yes Yes -Yes Yes Yes Yes -Yes -Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Bus TypeDMI3 DMI3 DMI3 DMI2 DMI3 DMI3 DMI2 DMI3 DMI3 DMI3 DMI3 DMI3 DMI3 DMI2 DMI3 Infinity Fabric DMI2 DMI3 DMI3 DMI2 Infinity Fabric DMI3 Infinity Fabric DMI2 DMI3 DMI2 DMI3 DMI3 DMI3 DMI2 DMI3 DMI3 DMI2 DMI3 DMI2 DMI3 DMI2 DMI2 DMI3 DMI3 DMI3 DMI2 DMI2 DMI2 DMI2 DMI3 DMI3 DMI2 DMI2 DMI3 DMI2 DMI3 DMI3 DMI2 DMI3 DMI3
Thermal Output91 W65 W73 W85 W95 W73 W85 W65 W73 W140 W95 W95 W85 W85 W120 W180 W85 W140 W85 W85 W180 W140 W180 W90 W140 W135 W140 W140 W105 W135 W165 W140 W105 W165 W135 W115 W120 W120 W140 W165 W140 W135 W135 W160 W120 W150 W140 W145 W145 W140 W135 W200 W140 W145 W205 W205 W
PCI-E Lanes16 16 16 40 16 16 40 16 16 28 16 16 48 40 48 64 40 28 48 40 64 48 64 40 44 40 48 44 48 40 44 48 40 44 40 48 40 40 48 44 48 40 40 40 40 48 48 40 40 48 40 48 48 40 48 48
Max. Turbo Boost-4.00 GHz3.7 GHz-4.30 GHz4.1 GHz-4.6 GHz4.2 GHz4.00 GHz4.7 GHz5.0 GHz3.00 GHz3.0 GHz4.50 GHz-3.2 GHz4.50 GHz3.00 GHz3.1 GHz-4.50 GHz-3.4 GHz4.5 GHz3.7 GHz4.50 GHz4.40 GHz3.70 GHz2.9 GHz4.40 GHz4.50 GHz3.2 GHz4.40 GHz3.7 GHz3.70 GHz3.3 GHz3.0 GHz4.30 GHz4.40 GHz3.70 GHz3.6 GHz3.5 GHz3.5 GHz3.3 GHz3.70 GHz4.30 GHz3.6 GHz3.6 GHz3.70 GHz3.6 GHz3.70 GHz3.70 GHz3.6 GHz3.70 GHz3.80 GHz
QPI Speed---6.4 GT/s--6.4 GT/s------8 GT/s--8 GT/s--8 GT/s---8 GT/s-8 GT/s---9.6 GT/s--9.6 GT/s-9.6 GT/s-9.6 GT/s9.6 GT/s---9.6 GT/s9.6 GT/s9.6 GT/s9.6 GT/s--9.6 GT/s9.6 GT/s-9.6 GT/s--9.6 GT/s--
All-Core Turbo Boost------4.00 GHz-4.3 GHz2.10 GHz2.3 GHz4.40 GHz-2.8 GHz4.00 GHz2.50 GHz2.4 GHz-4.40 GHz-2.6 GHz4.00 GHz3.6 GHz4.30 GHz3.80 GHz3.70 GHz2.5 GHz3.80 GHz4.00 GHz2.4 GHz3.60 GHz3.6 GHz3.70 GHz2.9 GHz2.6 GHz3.30 GHz3.40 GHz3.30 GHz3.5 GHz3.2 GHz3.2 GHz2.6 GHz3.60 GHz3.20 GHz2.8 GHz3.1 GHz3.10 GHz2.7 GHz3.70 GHz2.80 GHz2.8 GHz3.40 GHz3.20 GHz
Simultaneous Multi-Threading------------Yes --Yes -Yes ------------------
Turbo Core---------------Yes ----Yes -Yes ---------------------------------
Max. Turbo Core---------------4.0 GHz----4.0 GHz-4.0 GHz---------------------------------
Cache
Smart Cache8MB 9MB 8MB 15MB 9MB 8MB 20MB 12MB 8MB 8.25MB 12MB 12MB 11MB 20MB 8.25MB -10MB 11MB 13.75MB 25MB -8.25MB -25MB 13.75MB 15MB 11MB 16.5MB 16.5MB 30MB 19.25MB 13.75MB 35MB 22MB 20MB 19.25MB 35MB 40MB 19MB 24.75MB 19.25MB 25MB 35MB 30MB 45MB 24.75MB 24.75MB 45MB 40MB 27.5MB 50MB 24.75MB 30.25MB 55MB 33MB 38.5MB
L2--4 x 256KB --4 x 256KB --4 x 256KB ------4MB ----6MB -8MB ---------------------------------
L3---------------16MB ----32MB -32MB ---------------------------------
Onboard Graphics
Processor TypeIntel UHD Graphics 630 Intel UHD Graphics 630 Intel HD Graphics P630 -Intel UHD Graphics 630 Intel HD Graphics P630 -Intel UHD Graphics 630 Intel HD Graphics P630 -Intel UHD Graphics 630 Intel UHD Graphics 630 --------------------------------------------
Core Speed1150 Mhz1050 Mhz350 Mhz-1150 Mhz350 Mhz-1200 Mhz350 Mhz-1200 Mhz1200 Mhz--------------------------------------------
DirectX Version12 12 12 -12 12 -12 12 -12 12 --------------------------------------------
Cores on Die23 23 --24 --24 --24 24 --------------------------------------------
# of Displays Supported3 3 3 -3 3 -3 3 -3 3 --------------------------------------------
Memory Specification
Memory TypeDDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4 DDR4
Maximum Frequency2400 2666 2400 1866 2666 2400 1866 2666 2400 2400 2666 2666 2400 2133 2666 2666 2133 2666 2400 2133 2666 2666 2666 2133 2666 2400 2666 2666 2666 2400 2666 2666 2400 2666 2400 2666 2400 2400 2666 2666 2666 2400 2400 2400 2400 2666 2666 2400 2400 2666 2400 2666 2666 2400 2666 2666
ECC SupportNo No Yes Yes No Yes Yes No Yes No No No Yes Yes Yes Yes Yes No Yes Yes Yes Yes Yes Yes No Yes Yes No Yes Yes No Yes Yes No Yes Yes Yes Yes Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Advanced Technologies
vProNo Yes Yes Yes Yes Yes Yes Yes Yes -Yes Yes Yes Yes Yes -Yes -Yes Yes -Yes -Yes No Yes Yes No Yes Yes No Yes Yes No Yes Yes Yes Yes Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Virtualization Technology (VT-x)Yes Yes Yes Yes Yes Yes Yes -Yes Yes Yes Yes Yes Yes Yes -Yes Yes Yes Yes -Yes -Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Virtualization Technology for Directed I/O (VT-d)Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes -Yes Yes Yes Yes -Yes -Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Trusted Execution TechnologyNo Yes Yes Yes Yes Yes Yes -Yes -Yes Yes Yes Yes Yes -Yes -Yes Yes -Yes -Yes No Yes Yes No Yes Yes No Yes Yes No Yes Yes Yes Yes Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
TSX-NINo Yes -No Yes -No ---Yes Yes Yes No Yes -No -Yes No -Yes -No -No Yes -Yes No -Yes No -No Yes No No Yes -Yes No No No No Yes Yes No No Yes No Yes Yes No Yes Yes