Xeon E3-1285 v4 vs i5-2500K

VS

Aggregate performance score

Core i5-2500K
2011
4 cores / 4 threads, 95 Watt
2.60
Xeon E3-1285 v4
2015
4 cores / 8 threads, 95 Watt
4.92
+89.2%

Xeon E3-1285 v4 outperforms Core i5-2500K by an impressive 89% based on our aggregate benchmark results.

Primary details

Comparing Core i5-2500K and Xeon E3-1285 v4 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking17341243
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.39no data
Market segmentDesktop processorServer
SeriesCore i5 (Desktop)no data
Power efficiency2.594.90
Architecture codenameSandy Bridge (2011−2013)Broadwell-DT (2015)
Release date9 January 2011 (13 years ago)2 June 2015 (9 years ago)
Launch price (MSRP)$216no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-2500K and Xeon E3-1285 v4 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)
Threads48
Base clock speed3.3 GHz3.5 GHz
Boost clock speed3.7 GHz3.8 GHz
Bus rate5 GT/s5 GT/s
L1 cache64 KB (per core)64 KB (per core)
L2 cache256K (per core)256 KB (per core)
L3 cache6 MB (shared)6 MB (shared)
Chip lithography32 nm14 nm
Die size216 mm2160 mm2
Maximum core temperature73 °Cno data
Number of transistors1,160 million1,400 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Core i5-2500K and Xeon E3-1285 v4 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
SocketLGA1155FCLGA1150
Power consumption (TDP)95 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-2500K and Xeon E3-1285 v4. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVXIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
eDRAMno data128 MB
Turbo Boost Technology2.02.0
Hyper-Threading Technology-+
TSX-+
Idle States++
Thermal Monitoring+-
Flex Memory Access+no data
FDI++
Fast Memory Access+no data

Security technologies

Core i5-2500K and Xeon E3-1285 v4 technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Identity Protection+-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-2500K and Xeon E3-1285 v4 are enumerated here.

VT-d-+
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-2500K and Xeon E3-1285 v4. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4
Maximum memory size32 GB32 GB
Max memory channels22
Maximum memory bandwidth21 GB/s29.8 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 3000Intel Iris Pro P6300
Max video memoryno data32 GB
Quick Sync Video++
Clear Videono data+
Clear Video HD+no data
Graphics max frequency1.1 GHz1.15 GHz
Execution Unitsno data48
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-2500K and Xeon E3-1285 v4 integrated GPUs.

Number of displays supported23

Peripherals

Specifications and connection of peripherals supported by Core i5-2500K and Xeon E3-1285 v4.

PCIe version2.03.0
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.

i5-2500K 2.60
Xeon E3-1285 v4 4.92
+89.2%

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.

i5-2500K 4123
Xeon E3-1285 v4 7808
+89.4%

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.

i5-2500K 653
Xeon E3-1285 v4 1285
+96.8%

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.

i5-2500K 1924
Xeon E3-1285 v4 4307
+124%

Gaming performance

Pros & cons summary


Performance score 2.60 4.92
Recency 9 January 2011 2 June 2015
Threads 4 8
Chip lithography 32 nm 14 nm

Xeon E3-1285 v4 has a 89.2% higher aggregate performance score, an age advantage of 4 years, 100% more threads, and a 128.6% more advanced lithography process.

The Xeon E3-1285 v4 is our recommended choice as it beats the Core i5-2500K in performance tests.

Note that Core i5-2500K is a desktop processor while Xeon E3-1285 v4 is a server/workstation one.


Should you still have questions on choice between Core i5-2500K and Xeon E3-1285 v4, ask them in Comments section, and we shall answer.

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Intel Core i5-2500K
Core i5-2500K
Intel Xeon E3-1285 v4
Xeon E3-1285 v4

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Community ratings

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Questions & comments

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