Intel Core i5-2500K vs Intel Pentium E6800

Comparative analysis of Intel Core i5-2500K and Intel Pentium E6800 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, 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).

Intel Core i5-2500K

Intel Pentium E6800

Differences

Reasons to consider the Intel Core i5-2500K

CPU is newer: launch date 5 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
2 more cores, run more applications at once: 4 vs 2
Around 11% higher clock speed: 3.70 GHz vs 3.33 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
2x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 31% better performance in PassMark - Single thread mark: 1698 vs 1301
3.5x better performance in PassMark - CPU mark: 4117 vs 1164
Around 98% better performance in Geekbench 4 - Single Core: 806 vs 408
3.9x better performance in Geekbench 4 - Multi-Core: 2657 vs 690

Specifications (specs)
Launch date	January 2011 vs August 2010
Unlocked	Unlocked vs Locked
Number of cores	4 vs 2
Maximum frequency	3.70 GHz vs 3.33 GHz
Manufacturing process technology	32 nm vs 45 nm
L1 cache	64 KB (per core) vs 64 KB (per core)
Benchmarks
PassMark - Single thread mark	1698 vs 1301
PassMark - CPU mark	4117 vs 1164
Geekbench 4 - Single Core	806 vs 408
Geekbench 4 - Multi-Core	2657 vs 690

Reasons to consider the Intel Pentium E6800

Around 2% higher maximum core temperature: 74.1°C vs 72.6°C
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 46% lower typical power consumption: 65 Watt vs 95 Watt

Maximum core temperature	74.1°C vs 72.6°C
L2 cache	2048 KB (shared) vs 256 KB (per core)
Thermal Design Power (TDP)	65 Watt vs 95 Watt

Compare benchmarks

CPU 1: Intel Core i5-2500K
CPU 2: Intel Pentium E6800

PassMark - Single thread mark

CPU 1

CPU 2

1698

1301

PassMark - CPU mark

CPU 1

CPU 2

4117

1164

Geekbench 4 - Single Core

CPU 1

CPU 2

806

408

Geekbench 4 - Multi-Core

CPU 1

CPU 2

2657

690

Name	Intel Core i5-2500K	Intel Pentium E6800
PassMark - Single thread mark	1698	1301
PassMark - CPU mark	4117	1164
Geekbench 4 - Single Core	806	408
Geekbench 4 - Multi-Core	2657	690
3DMark Fire Strike - Physics Score	1575
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.325
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	78.071
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.384
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.818
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.627

Compare specifications (specs)

	Intel Core i5-2500K	Intel Pentium E6800
Essentials
Architecture codename	Sandy Bridge	Wolfdale
Launch date	January 2011	August 2010
Launch price (MSRP)	$289	$831
Place in performance rating	2462	2448
Price now	$123.99	$49.99
Processor Number	i5-2500K	E6800
Series	Legacy Intel® Core™ Processors	Legacy Intel® Pentium® Processor
Status	Discontinued	Discontinued
Value for money (0-100)	15.38	11.65
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.30 GHz	3.33 GHz
Bus Speed	5 GT/s DMI	1066 MHz FSB
Die size	216 mm	82 mm2
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	2048 KB (shared)
L3 cache	6144 KB (shared)
Manufacturing process technology	32 nm	45 nm
Maximum core temperature	72.6°C	74.1°C
Maximum frequency	3.70 GHz	3.33 GHz
Number of cores	4	2
Number of threads	4
Transistor count	1160 million	228 million
Unlocked
VID voltage range		0.8500V-1.3625V
Memory
Max memory channels	2
Maximum memory bandwidth	21 GB/s
Maximum memory size	32 GB
Supported memory types	DDR3 1066/1333	DDR1, DDR2, DDR3
Graphics
Device ID	0x112
Graphics base frequency	850 MHz
Graphics max dynamic frequency	1.10 GHz
Graphics max frequency	1.1 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
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	LGA1155	LGA775
Thermal Design Power (TDP)	95 Watt	65 Watt
Peripherals
Max number of PCIe lanes	16
PCI Express revision	2.0
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX	Intel® SSE2, Intel® SSE3, Intel® SSSE3
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Intel® Demand Based Switching
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)