Xeon E3-1280 v5 vs i7-8700K

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Aggregate performance score

Core i7-8700K
2017
6 cores / 12 threads, 95 Watt
8.57
+62%
Xeon E3-1280 v5
2015
4 cores / 8 threads, 80 Watt
5.29

Core i7-8700K outperforms Xeon E3-1280 v5 by an impressive 62% based on our aggregate benchmark results.

Primary details

Comparing Core i7-8700K and Xeon E3-1280 v5 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking8871185
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation4.561.88
Market segmentDesktop processorServer
SeriesIntel Core i7Intel Xeon E3
Power efficiency8.546.26
Architecture codenameCoffee Lake-S (2017−2018)Skylake-S (2015)
Release date24 September 2017 (7 years ago)19 October 2015 (9 years ago)
Launch price (MSRP)$359$612

Cost-effectiveness evaluation

Performance per price, higher is better.

i7-8700K has 143% better value for money than Xeon E3-1280 v5.

Detailed specifications

Core i7-8700K and Xeon E3-1280 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 cores6 (Hexa-Core)4 (Quad-Core)
Threads128
Base clock speed3.7 GHz3.7 GHz
Boost clock speed4.7 GHz4 GHz
Bus typeDMI 3.0DMI 3.0
Bus rate4 × 8 GT/s4 × 8 GT/s
Multiplier3737
L1 cache384 KB64K (per core)
L2 cache1.5 MB256K (per core)
L3 cache12288 KB8 MB (shared)
Chip lithography14 nm14 nm
Die size149 mm2160 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data1,400 million
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier+-

Compatibility

Information on Core i7-8700K and Xeon E3-1280 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)
SocketFCLGA1151FCLGA1151
Power consumption (TDP)95 Watt80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-8700K and Xeon E3-1280 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 i7-8700K and Xeon E3-1280 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 i7-8700K and Xeon E3-1280 v5 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-8700K and Xeon E3-1280 v5. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR3, DDR4
Maximum memory size128 GB64 GB
Max memory channels22
Maximum memory bandwidth42.671 GB/s34.134 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 630no data
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 i7-8700K and Xeon E3-1280 v5 integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i7-8700K and Xeon E3-1280 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 i7-8700K and Xeon E3-1280 v5 integrated GPUs, sometimes API versions are included.

DirectX12N/A
OpenGL4.5N/A

Peripherals

Specifications and connection of peripherals supported by Core i7-8700K and Xeon E3-1280 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.

i7-8700K 8.57
+62%
Xeon E3-1280 v5 5.29

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.

i7-8700K 13619
+62%
Xeon E3-1280 v5 8407

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.

i7-8700K 1609
+24.1%
Xeon E3-1280 v5 1297

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.

i7-8700K 6504
+46.8%
Xeon E3-1280 v5 4430

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

i7-8700K 11701
+38.1%
Xeon E3-1280 v5 8470

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

i7-8700K 4.16
+128%
Xeon E3-1280 v5 9.5

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

i7-8700K 15
+68.4%
Xeon E3-1280 v5 9

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

i7-8700K 1362
+67.1%
Xeon E3-1280 v5 815

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

i7-8700K 192
+17.8%
Xeon E3-1280 v5 163

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

i7-8700K 2.2
+14.6%
Xeon E3-1280 v5 1.92

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

i7-8700K 8
+77.8%
Xeon E3-1280 v5 4.5

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

i7-8700K 7120
+36.3%
Xeon E3-1280 v5 5224

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

i7-8700K 87
+72%
Xeon E3-1280 v5 51

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

i7-8700K 232
+23.7%
Xeon E3-1280 v5 188

Gaming performance

Pros & cons summary


Performance score 8.57 5.29
Recency 24 September 2017 19 October 2015
Physical cores 6 4
Threads 12 8
Power consumption (TDP) 95 Watt 80 Watt

i7-8700K has a 62% higher aggregate performance score, an age advantage of 1 year, and 50% more physical cores and 50% more threads.

Xeon E3-1280 v5, on the other hand, has 18.8% lower power consumption.

The Core i7-8700K is our recommended choice as it beats the Xeon E3-1280 v5 in performance tests.

Note that Core i7-8700K is a desktop processor while Xeon E3-1280 v5 is a server/workstation one.


Should you still have questions on choice between Core i7-8700K and Xeon E3-1280 v5, ask them in Comments section, and we shall answer.

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Intel Core i7-8700K
Core i7-8700K
Intel Xeon E3-1280 v5
Xeon E3-1280 v5

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