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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.

 None - Included on motherboardAMD Ryzen Threadripper 1900X 3.8GHz Eight Core 180WIntel Core i5 8400 2.8GHz Six Core 9MB 65WIntel Xeon Platinum 8180 2.5GHz Twenty-Eight Core 38.5MB 205WIntel Xeon Platinum 8168 2.7GHz Twenty-Four Core 33MB 205WIntel Xeon Gold 6152 2.1GHz Twenty-Two Core 30.25MB 140WIntel Xeon W-2125 4.0GHz 4 Core 8.25MB 120WIntel Xeon W-2145 3.7GHz 8 Core 11MB 140W SHORTAGEIntel Xeon W-2175 2.5GHz 14 Core 19.25MB 140W SHORTAGEIntel Xeon W-2195 2.3GHz 18 Core 24.75MB 140W SHORTAGEIntel Xeon W-2135 3.7GHz 6 Core 8.25MB 140WIntel Xeon W-2155 3.3GHz 10 Core 13.75MB 140WAMD Ryzen Threadripper 2990WX 3.0GHz 32 Core 250WAMD Ryzen Threadripper 2950X 3.5GHz 16 Core 180WAMD Ryzen Threadripper 2920X 3.5GHz 12 Core 180WAMD Ryzen Threadripper 2970WX 3.0GHz 24 Core 250WIntel Xeon E-2186G 3.8Ghz Six Core 12MB 95WIntel Xeon E-2174G 3.8Ghz Quad Core 8MB 71WIntel Xeon E-2126G 3.3Ghz Six Core 12MB 80WIntel Xeon E-2124G 3.4Ghz Quad Core 8MB 71WIntel Core i9 9900K 3.6GHz Eight Core 16MB 95WIntel Core i7 9700K 3.6GHz Eight Core 12MB 95WIntel Core i5 9600K 3.6GHz Six Core 9MB 95WIntel Core i7 9800X 3.8GHz Eight Core 16.5MB 165WIntel Core i9 9820X 3.3GHz Ten Core 16.5MB 165WIntel Core i9 9900X 3.5GHz Ten Core 19.25MB 165WIntel Core i9 9920X 3.5GHz Twelve Core 19.25MB 165WIntel Core i9 9940X 3.3GHz Fourteen Core 19.25MB 165WIntel Core i9 9960X 3.1GHz Sixteen Core 22MB 165WIntel Core i9 9980XE 3.0GHz Eighteen Core 24.75MB 165WIntel Xeon Silver 4208 2.1GHz Eight Core 11MB 85WIntel Xeon Silver 4214 2.2GHz Twelve Core 17MB 85WIntel Xeon Gold 5217 3.0GHz Eight Core 11MB 115WIntel Xeon Gold 6244 3.6GHz Eight Core 25MB 150WIntel Xeon Gold 5218 2.3GHz Sixteen Core 22MB 125WIntel Xeon Gold 6230 2.1GHz Twenty Core 28MB 125WIntel Xeon Gold 6238 2.1GHz Twenty-Two Core 30MB 140WIntel Xeon Gold 6254 3.1GHz Eighteen Core 25MB 200W
Product LineRyzen Core i5 Xeon Scalable Xeon Scalable Xeon Scalable Xeon Xeon Xeon Xeon Xeon Xeon Ryzen Ryzen Ryzen Ryzen Xeon Xeon Xeon Xeon Core i9 Core i7 Core i5 Core i7 Core i9 Core i9 Core i9 Core i9 Core i9 Core i9 Xeon Scalable Xeon Scalable Xeon Scalable Xeon Scalable Xeon Scalable Xeon Scalable Xeon Scalable Xeon Scalable
Code NameZen Coffee Lake Skylake-SP Skylake-SP Skylake-SP Skylake Skylake Skylake Skylake Skylake Skylake Zen Zen Zen Zen Coffee Lake Coffee Lake Coffee Lake Coffee Lake Coffee Lake Coffee Lake Coffee Lake Basin Falls Basin Falls Basin Falls Basin Falls Basin Falls Basin Falls Basin Falls Cascade Lake-SP Cascade Lake-SP Cascade Lake-SP Cascade Lake-SP Cascade Lake-SP Cascade Lake-SP Cascade Lake-SP Cascade Lake-SP
SocketTR4 1151 3647 3647 3647 2066 2066 2066 2066 2066 2066 TR4 TR4 TR4 TR4 1151 1151 1151 1151 1151 1151 1151 2066 2066 2066 2066 2066 2066 2066 3647 3647 3647 3647 3647 3647 3647 3647
Process14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm14 nm12 nm12 nm12 nm12 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 Cores8 6 28 24 22 4 8 14 18 6 10 32 16 12 24 6 4 4 4 8 8 6 8 10 10 12 14 16 18 8 12 8 8 16 20 22 18
Clock Speed3.80 GHz2.80 GHz2.50 GHz2.70 GHz2.10 GHz4.00 GHz3.70 GHz2.50 GHz2.30 GHz3.70 GHz3.30 GHz3.00 GHz3.50 GHz3.50 GHz3.00 GHz3.80 GHz3.80 GHz3.30 GHz3.40 GHz3.6 GHz3.6 GHz3.6 GHz3.80 GHz3.30 GHz3.50 GHz3.50 GHz3.30 GHz3.10 GHz3.00 GHz2.10 GHz2.20 GHz3.00 GHz3.60 GHz2.30 GHz2.10 GHz2.10 GHz3.10 GHz
HyperthreadingNo No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Simultaneous Multi-ThreadingYes Yes Yes Yes Yes
Turbo CoreYes Yes Yes Yes Yes
Max. Turbo Core4.0 GHz4.2 GHz4.40 GHz4.30 GHz4.2 GHz
Bus TypeInfinity Fabric DMI3 DMI3 DMI3 DMI3 DMI3 DMI3 DMI3 DMI3 DMI3 DMI3 Infinity Fabric Infinity Fabric Infinity Fabric Infinity Fabric DMI3 DMI3 DMI3 DMI3 DMI3 DMI3 DMI3 DMI3 DMI3 DMI3 DMI3 DMI3 DMI3 DMI3 DMI3 DMI3 DMI3 DMI3 DMI3 DMI3 DMI3 DMI3
Thermal Output180 W65 W205 W205 W140 W120 W140 W140 W140 W140 W140 W250 W180 W180 W250 W95 W71 W80 W71 W95 W95 W95 W165 W165 W165 W165 W165 W165 W165 W85 W85 W115 W150 W125 W125 W140 W200 W
PCI-E Lanes64 16 48 48 48 48 48 48 48 48 48 64 64 64 64 16 16 16 16 16 16 24 44 44 44 44 44 44 44 48 48 48 48 48 48 48 48
Turbo BoostYes 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
Max. Turbo Boost4.00 GHz3.80 GHz3.70 GHz3.70 GHz4.50 GHz4.50 GHz4.30 GHz4.30 GHz4.50 GHz4.50 GHz4.70 GHz4.70 GHz4.50 GHz4.50 GHz5.0 GHz4.9 GHz4.6 GHz4.50 GHz4.20 GHz4.50 GHz4.50 GHz4.50 GHz4.50 GHz4.50 GHz3.20 GHz3.20 GHz3.70 GHz4.40 GHz3.90 GHz3.90 GHz3.70 GHz4.00 GHz
All-Core Turbo Boost3.20 GHz3.40 GHz2.80 GHz4.40 GHz4.30 GHz3.30 GHz3.20 GHz4.40 GHz4.00 GHz4.30 GHz4.30 GHz4.10 GHz4.10 GHz4.7 GHz4.6 GHz4.3 GHz4.10 GHz4.00 GHz4.10 GHz4.20 GHz4.10 GHz4.00 GHz3.80 GHz2.50 GHz2.70 GHz3.40 GHz4.30 GHz2.80 GHz2.80 GHz2.80 GHz3.90 GHz
Cache
L24MB 16MB 8MB 6MB 12MB
L316MB 64MB 32MB 32MB 64MB
Smart Cache9MB 38.5MB 33MB 30.25MB 8.25MB 11MB 19MB 24.75MB 8.25MB 13.75MB 12MB 8MB 12MB 8MB 16MB 12MB 9MB 16.5MB 16.5MB 19.25MB 19.25MB 19.25MB 22MB 24.75MB 11MB 17MB 11MB 25MB 22MB 28MB 30MB 25MB
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
Maximum Frequency2666 2666 2666 2666 2666 2666 2666 2666 2666 2666 2666 2933 2933 2933 2933 2666 2666 2666 2666 2666 2666 2666 2666 2666 2666 2666 2666 2666 2666 2400 2400 2666 2933 2666 2933 2933 2933
ECC SupportYes No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No No No No No No No Yes Yes Yes Yes Yes Yes Yes Yes
Onboard Graphics
Processor TypeIntel UHD Graphics 630 Intel UHD Graphics P630 Intel UHD Graphics P630 Intel UHD Graphics P630 Intel UHD Graphics P630 Intel UHD Graphics 630 Intel UHD Graphics 630 Intel UHD Graphics 630
Core Speed1050 Mhz350 Mhz350 Mhz350 Mhz350 Mhz1200 Mhz1200 Mhz1150 Mhz
DirectX Version12 12 12 12 12 12 12 12
Cores on Die23
# of Displays Supported3 3 3 3 3 3 3 3
Advanced Technologies
vProNo 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 (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
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
Trusted Execution TechnologyNo 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
TSX-NINo 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