Intel Xeon E3-1275 v5 vs Intel Core i7-8700K

Comparative analysis of Intel Xeon E3-1275 v5 and Intel Core i7-8700K processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

Intel Xeon E3-1275 v5

Intel Core i7-8700K

Differences

Reasons to consider the Intel Xeon E3-1275 v5

Around 19% lower typical power consumption: 80 Watt vs 95 Watt

Thermal Design Power (TDP)	80 Watt vs 95 Watt

Reasons to consider the Intel Core i7-8700K

Processor is unlocked, an unlocked multiplier allows for easier overclocking
2 more cores, run more applications at once: 6 vs 4
4 more threads: 12 vs 8
Around 18% higher clock speed: 4.70 GHz vs 4.00 GHz
2x more maximum memory size: 128 GB vs 64 GB
Around 20% better performance in PassMark - Single thread mark: 2721 vs 2276
Around 65% better performance in PassMark - CPU mark: 13585 vs 8245
Around 19% better performance in Geekbench 4 - Single Core: 1276 vs 1072
Around 79% better performance in Geekbench 4 - Multi-Core: 6678 vs 3722

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	6 vs 4
Number of threads	12 vs 8
Maximum frequency	4.70 GHz vs 4.00 GHz
Maximum memory size	128 GB vs 64 GB
Benchmarks
PassMark - Single thread mark	2721 vs 2276
PassMark - CPU mark	13585 vs 8245
Geekbench 4 - Single Core	1276 vs 1072
Geekbench 4 - Multi-Core	6678 vs 3722

Compare benchmarks

CPU 1: Intel Xeon E3-1275 v5
CPU 2: Intel Core i7-8700K

PassMark - Single thread mark

CPU 1

CPU 2

2276

2721

PassMark - CPU mark

CPU 1

CPU 2

8245

13585

Geekbench 4 - Single Core

CPU 1

CPU 2

1072

1276

Geekbench 4 - Multi-Core

CPU 1

CPU 2

3722

6678

Name	Intel Xeon E3-1275 v5	Intel Core i7-8700K
PassMark - Single thread mark	2276	2721
PassMark - CPU mark	8245	13585
Geekbench 4 - Single Core	1072	1276
Geekbench 4 - Multi-Core	3722	6678
3DMark Fire Strike - Physics Score		5050
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		9.279
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		88.131
CompuBench 1.5 Desktop - T-Rex (Frames/s)		1.084
CompuBench 1.5 Desktop - Video Composition (Frames/s)		4.763
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		12.047
GFXBench 4.0 - Car Chase Offscreen (Frames)		2083
GFXBench 4.0 - Manhattan (Frames)		4305
GFXBench 4.0 - T-Rex (Frames)		7198
GFXBench 4.0 - Car Chase Offscreen (Fps)		2083
GFXBench 4.0 - Manhattan (Fps)		4305
GFXBench 4.0 - T-Rex (Fps)		7198

Compare specifications (specs)

	Intel Xeon E3-1275 v5	Intel Core i7-8700K
Essentials
Architecture codename	Skylake	Coffee Lake
Launch date	Q4'15	5 January 2017
Place in performance rating	1369	922
Processor Number	E3-1275V5	i7-8700K
Series	Intel® Xeon® Processor E3 v5 Family	8th Generation Intel® Core™ i7 Processors
Status	Launched	Launched
Vertical segment	Server	Desktop
Launch price (MSRP)		$420
Price now		$358.99
Value for money (0-100)		13.10
Performance
64 bit support
Base frequency	3.60 GHz	3.70 GHz
Bus Speed	8 GT/s DMI3	8 GT/s DMI3
Manufacturing process technology	14 nm	14 nm
Maximum frequency	4.00 GHz	4.70 GHz
Number of cores	4	6
Number of threads	8	12
VID voltage range	0.55V-1.52V
L1 cache		256 KB
L2 cache		1 MB
L3 cache		12288 KB
Maximum case temperature (TCase)		72 °C
Maximum core temperature		100°C
Unlocked
Memory
Max memory channels	2	2
Maximum memory bandwidth	34.1 GB/s	41.6 GB/s
Maximum memory size	64 GB	128 GB
Supported memory types	DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V	DDR4-2666
Graphics
Device ID	0x191D	0x3E92
Graphics base frequency	400 MHz	350 MHz
Graphics max dynamic frequency	1.15 GHz	1.20 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory	64 GB	64 GB
Processor graphics	Intel® HD Graphics P530	Intel® UHD Graphics 630
Graphics interfaces
DisplayPort
DVI
eDP
HDMI
Number of displays supported	3	3
Graphics image quality
4K resolution support
Max resolution over DisplayPort	4096x2304@60Hz	4096x2304@60Hz
Max resolution over eDP	4096x2304@60Hz	4096x2304@60Hz
Max resolution over HDMI 1.4	4096x2304@24Hz	4096x2304@24Hz
Graphics API support
DirectX	12	12
OpenGL	4.4	4.5
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	FCLGA1151	FCLGA1151
Thermal Design Power (TDP)	80 Watt	95 Watt
Thermal Solution		PCG 2015D (130W)
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	3.0	3.0
PCIe configurations	1x16, 2x8, 1x8+2x4	Up to 1x16, 2x8, 1x8+2x4
Scalability	1S Only	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Memory Protection Extensions (Intel® MPX)
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Secure Boot
Intel® Identity Protection technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Intel® Advanced Vector Extensions (AVX)
Intel® Optane™ Memory Supported
Intel® Stable Image Platform Program (SIPP)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
AMD Virtualization (AMD-V™)