Xeon E3-1275 v6 vs i7-4790K

Aggregate performance score

Core i7-4790K
2014
4 cores / 8 threads, 88 Watt
5.08
Xeon E3-1275 v6
2017
4 cores / 8 threads, 73 Watt
5.86
+15.4%

Xeon E3-1275 v6 outperforms Core i7-4790K by a moderate 15% based on our aggregate benchmark results.

Primary details

Comparing Core i7-4790K and Xeon E3-1275 v6 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking12081106
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.856.06
Market segmentDesktop processorServer
SeriesCore i7 (Desktop)Intel Xeon E3
Power efficiency5.467.60
Architecture codenameDevil's CanyonKaby Lake (2016−2019)
Release dateJune 2014 (10 years ago)28 March 2017 (7 years ago)
Launch price (MSRP)$339$339

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E3-1275 v6 has 613% better value for money than i7-4790K.

Detailed specifications

Core i7-4790K and Xeon E3-1275 v6 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 cores4 (Quad-Core)4 (Quad-Core)
Threads88
Base clock speed4 GHz3.8 GHz
Boost clock speed4.4 GHz4.2 GHz
Bus typeno dataDMI 3.0
Bus rate5 GT/s8 GT/s
Multiplierno data38
L1 cache64K (per core)256 KB
L2 cache256K (per core)1 MB
L3 cache8 MB (shared)8 MB
Chip lithography22 nm14 nm
Die size177 mm2no data
Maximum case temperature (TCase)72 °Cno data
Number of transistors1,400 millionno data
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Core i7-4790K and Xeon E3-1275 v6 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 configuration11 (Uniprocessor)
SocketFCLGA1150FCLGA1151
Power consumption (TDP)88 Watt73 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-4790K and Xeon E3-1275 v6. 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)++
My WiFi+no data
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX-+
Idle States++
Thermal Monitoring++
FDI+no data

Security technologies

Core i7-4790K and Xeon E3-1275 v6 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key++
MPX-+
Identity Protection+-
SGXno dataYes with Intel® ME
OS Guard++
Anti-Theft+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-4790K and Xeon E3-1275 v6 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-4790K and Xeon E3-1275 v6. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4-2400, DDR3L-1866
Maximum memory size32 GB64 GB
Max memory channels22
Maximum memory bandwidth25.6 GB/s38.397 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 4600Intel HD Graphics P630
Max video memory2 GB64 GB
Quick Sync Video++
Clear Videono data+
Clear Video HD++
Graphics max frequency1.25 GHz1.15 GHz
Execution Units20no data
InTru 3D++

Graphics interfaces

Available interfaces and connections of Core i7-4790K and Xeon E3-1275 v6 integrated GPUs.

Number of displays supported33
eDP++
DisplayPort++
HDMI++
DVI++
VGA+no data

Graphics image quality

Maximum display resolutions supported by Core i7-4790K and Xeon E3-1275 v6 integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.43840x2160@24Hz4096x2160@24Hz
Max resolution over eDP3840x2160@60Hz4096x2304@60Hz
Max resolution over DisplayPort3840x2160@60Hz4096x2304@60Hz
Max resolution over VGA1920x1200@60HzN/A

Graphics API support

APIs supported by Core i7-4790K and Xeon E3-1275 v6 integrated GPUs, sometimes API versions are included.

DirectX11.2/1212
OpenGL4.34.4

Peripherals

Specifications and connection of peripherals supported by Core i7-4790K and Xeon E3-1275 v6.

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.

i7-4790K 5.08
Xeon E3-1275 v6 5.86
+15.4%

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.

i7-4790K 8067
Xeon E3-1275 v6 9303
+15.3%

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.

i7-4790K 1409
Xeon E3-1275 v6 1502
+6.6%

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.

i7-4790K 4401
Xeon E3-1275 v6 4941
+12.3%

Gaming performance

Pros & cons summary


Performance score 5.08 5.86
Integrated graphics card 1.84 3.11
Recency on June 2014 28 March 2017
Chip lithography 22 nm 14 nm
Power consumption (TDP) 88 Watt 73 Watt

Xeon E3-1275 v6 has a 15.4% higher aggregate performance score, 69% faster integrated GPU, an age advantage of 2 years, a 57.1% more advanced lithography process, and 20.5% lower power consumption.

The Xeon E3-1275 v6 is our recommended choice as it beats the Core i7-4790K in performance tests.

Note that Core i7-4790K is a desktop processor while Xeon E3-1275 v6 is a server/workstation one.


Should you still have questions on choice between Core i7-4790K and Xeon E3-1275 v6, ask them in Comments section, and we shall answer.

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Intel Core i7-4790K
Core i7-4790K
Intel Xeon E3-1275 v6
Xeon E3-1275 v6

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Community ratings

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