Xeon E3-1270 v5 vs i9-9900K

Aggregate performance score

Core i9-9900K
2018
8 cores / 16 threads, 95 Watt
11.49
+119%
Xeon E3-1270 v5
2015
4 cores / 8 threads, 80 Watt
5.25

Core i9-9900K outperforms Xeon E3-1270 v5 by a whopping 119% based on our aggregate benchmark results.

Primary details

Comparing Core i9-9900K and Xeon E3-1270 v5 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking6861191
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation7.933.35
Market segmentDesktop processorServer
SeriesCore i9 (Desktop)Intel Xeon E3
Power efficiency11.456.21
Architecture codenameCoffee Lake-R (2018−2019)Skylake-DT (2015)
Release date19 October 2018 (6 years ago)19 October 2015 (9 years ago)
Launch price (MSRP)$488$339

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-9900K has 137% better value for money than Xeon E3-1270 v5.

Detailed specifications

Core i9-9900K and Xeon E3-1270 v5 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores8 (Octa-Core)4 (Quad-Core)
Threads168
Base clock speed3.6 GHz3.6 GHz
Boost clock speed5 GHz4 GHz
Bus typeDMI 3.0DMI 3.0
Bus rate4 × 8 GT/s4 × 8 GT/s
Multiplierno data36
L1 cache64K (per core)64 KB (per core)
L2 cache256K (per core)256 KB (per core)
L3 cache16 MB (shared)8 MB (shared)
Chip lithography14 nm14 nm
Die size178 mm2122 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data1,750 million
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier+-

Compatibility

Information on Core i9-9900K and Xeon E3-1270 v5 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration1 (Uniprocessor)1 (Uniprocessor)
SocketLGA-1151FCLGA1151
Power consumption (TDP)95 Watt80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900K and Xeon E3-1270 v5. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vPro++
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Idle States++
Thermal Monitoring++
SIPP+-

Security technologies

Core i9-9900K and Xeon E3-1270 v5 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key++
MPX++
Identity Protection+-
SGXYes with Intel® MEYes with both Intel® SPS and Intel® ME
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9900K and Xeon E3-1270 v5 are enumerated here.

AMD-V+-
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9900K and Xeon E3-1270 v5. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4-1866/2133, DDR3L-1333/1600
Maximum memory size128 GB64 GB
Max memory channels22
Maximum memory bandwidth44.668 GB/s34.134 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 630N/A
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+-
Clear Video HD+-
Graphics max frequency1.2 GHzno data
InTru 3D+-

Graphics interfaces

Available interfaces and connections of Core i9-9900K and Xeon E3-1270 v5 integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i9-9900K and Xeon E3-1270 v5 integrated GPUs, including resolutions over different interfaces.

4K resolution support+-
Max resolution over HDMI 1.44096 x 2304@24HzN/A
Max resolution over eDP4096 x 2304@60HzN/A
Max resolution over DisplayPort4096 x 2304@60HzN/A
Max resolution over VGAno dataN/A

Graphics API support

APIs supported by Core i9-9900K and Xeon E3-1270 v5 integrated GPUs, sometimes API versions are included.

DirectX12N/A
OpenGL4.5N/A

Peripherals

Specifications and connection of peripherals supported by Core i9-9900K and Xeon E3-1270 v5.

PCIe version3.03.0
PCI Express lanes1616

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i9-9900K 11.49
+119%
Xeon E3-1270 v5 5.25

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i9-9900K 18251
+119%
Xeon E3-1270 v5 8340

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i9-9900K 1702
+24.7%
Xeon E3-1270 v5 1365

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i9-9900K 8054
+80.6%
Xeon E3-1270 v5 4459

Gaming performance

Pros & cons summary


Performance score 11.49 5.25
Recency 19 October 2018 19 October 2015
Physical cores 8 4
Threads 16 8
Power consumption (TDP) 95 Watt 80 Watt

i9-9900K has a 118.9% higher aggregate performance score, an age advantage of 3 years, and 100% more physical cores and 100% more threads.

Xeon E3-1270 v5, on the other hand, has 18.8% lower power consumption.

The Core i9-9900K is our recommended choice as it beats the Xeon E3-1270 v5 in performance tests.

Note that Core i9-9900K is a desktop processor while Xeon E3-1270 v5 is a server/workstation one.


Should you still have questions on choice between Core i9-9900K and Xeon E3-1270 v5, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core i9-9900K
Core i9-9900K
Intel Xeon E3-1270 v5
Xeon E3-1270 v5

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Community ratings

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