Intel Xeon E5-2650 vs Intel Core i7-2600K

Comparative analysis of Intel Xeon E5-2650 and Intel Core i7-2600K processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics, Graphics interfaces. 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).

Intel Xeon E5-2650

Intel Core i7-2600K

Differences

Reasons to consider the Intel Xeon E5-2650

CPU is newer: launch date 1 year(s) 1 month(s) later
4 more cores, run more applications at once: 8 vs 4
8 more threads: 16 vs 8
Around 7% higher maximum core temperature: 77.4°C vs 72.6°C
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
2.5x more L3 cache, more data can be stored in the L3 cache for quick access later
12x more maximum memory size: 384 GB vs 32 GB
2.3x better performance in PassMark - CPU mark: 12877 vs 5481
Around 13% better performance in Geekbench 4 - Multi-Core: 3527 vs 3117

Specifications (specs)
Launch date	March 2012 vs 3 January 2011
Number of cores	8 vs 4
Number of threads	16 vs 8
Maximum core temperature	77.4°C vs 72.6°C
L1 cache	64 KB (per core) vs 64 KB (per core)
L2 cache	256 KB (per core) vs 1024 KB
L3 cache	20480 KB (shared) vs 8192 KB
Maximum memory size	384 GB vs 32 GB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	12877 vs 5481
Geekbench 4 - Multi-Core	3527 vs 3117

Reasons to consider the Intel Core i7-2600K

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 36% higher clock speed: 3.80 GHz vs 2.80 GHz
Around 41% better performance in PassMark - Single thread mark: 1742 vs 1234
Around 72% better performance in Geekbench 4 - Single Core: 811 vs 471

Specifications (specs)
Unlocked	Unlocked vs Locked
Maximum frequency	3.80 GHz vs 2.80 GHz
Benchmarks
PassMark - Single thread mark	1742 vs 1234
Geekbench 4 - Single Core	811 vs 471

Compare benchmarks

CPU 1: Intel Xeon E5-2650
CPU 2: Intel Core i7-2600K

PassMark - Single thread mark

CPU 1

CPU 2

1234

1742

PassMark - CPU mark

CPU 1

CPU 2

12877

5481

Geekbench 4 - Single Core

CPU 1

CPU 2

471

811

Geekbench 4 - Multi-Core

CPU 1

CPU 2

3527

3117

Name	Intel Xeon E5-2650	Intel Core i7-2600K
PassMark - Single thread mark	1234	1742
PassMark - CPU mark	12877	5481
Geekbench 4 - Single Core	471	811
Geekbench 4 - Multi-Core	3527	3117
3DMark Fire Strike - Physics Score		1845
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		4.524
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		77.745
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.602
CompuBench 1.5 Desktop - Video Composition (Frames/s)		2.129
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		5.018

Compare specifications (specs)

	Intel Xeon E5-2650	Intel Core i7-2600K
Essentials
Architecture codename	Sandy Bridge EP	Sandy Bridge
Launch date	March 2012	3 January 2011
Launch price (MSRP)	$91	$317
Place in performance rating	2082	2312
Price now	$130.43	$189.99
Processor Number	E5-2650	i7-2600K
Series	Intel® Xeon® Processor E5 Family	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Value for money (0-100)	22.91	13.10
Vertical segment	Server	Desktop
Performance
64 bit support
Base frequency	2.00 GHz	3.40 GHz
Bus Speed	8 GT/s QPI	5 GT/s DMI
Die size	435 mm	216 mm
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	1024 KB
L3 cache	20480 KB (shared)	8192 KB
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	77.4°C	72.6°C
Maximum frequency	2.80 GHz	3.80 GHz
Number of cores	8	4
Number of QPI Links	2
Number of threads	16	8
Transistor count	2270 million	995 Million
VID voltage range	0.60V-1.35V
Unlocked
Memory
ECC memory support
Max memory channels	4	2
Maximum memory bandwidth	51.2 GB/s	21 GB/s
Maximum memory size	384 GB	32 GB
Supported memory types	DDR3 800/1066/1333/1600	DDR3 1066/1333
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	1
Package Size	52.5mm x 45.0mm	37.5mm x 37.5mm
Sockets supported	FCLGA2011	LGA1155
Thermal Design Power (TDP)	95 Watt	95 Watt
Peripherals
Max number of PCIe lanes	40	16
PCI Express revision	3.0	2.0
Scalability	2S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® AVX	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Flexible Display interface (FDI)
Intel® Fast Memory Access
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
Graphics
Device ID		0x112
Graphics base frequency		850 MHz
Graphics max dynamic frequency		1.35 GHz
Graphics max frequency		1.35 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics		Intel® HD Graphics 3000
Graphics interfaces
Number of displays supported		2
Wireless Display (WiDi) support