CPUBoss Review Our evaluation of 2500K vs 6100 among desktop CPUs (over 75W)

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Fire Strike

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

8.5

CPUBoss Score

Combination of all six facets

Winner
Intel Core i5 2500K 

CPUBoss recommends the Intel Core i5 2500K  based on its performance and single-core performance.

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VS

Differences What are the advantages of each

Front view of Intel Core i5 2500K

Reasons to consider the
Intel Core i5 2500K

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better PassMark score 6,383 vs 5,401 Around 20% better PassMark score
Much better PassMark (Single core) score 1,863 vs 1,183 More than 55% better PassMark (Single core) score
Much better overclocked clock speed (Air) 5 GHz vs 4.38 GHz Around 15% better overclocked clock speed (Air)
Much better performance per watt 6.77 pt/W vs 3.74 pt/W More than 80% better performance per watt
Front view of AMD FX 6100

Reasons to consider the
AMD FX 6100

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Much more l2 cache 6 MB vs 1 MB 6x more l2 cache; more data can be stored in the l2 cache for quick access later
More cores 6 vs 4 2 more cores; run more applications at once
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core

Benchmarks Real world tests of Core i5 2500K vs FX 6100

GeekBench 3 (Multi-core) Data courtesy Primate Labs

FX 6100
6,990

GeekBench 3 (Single core) Data courtesy Primate Labs

FX 6100
1,798

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i5 2500K
2,530,000 MB/s
FX 6100
2,090,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i5 2500K
10,319
FX 6100
6,679

GeekBench (64-bit) Data courtesy Primate Labs

Core i5 2500K
11,186
FX 6100
7,818

GeekBench

Core i5 2500K
13,624
FX 6100
8,368

PassMark Data courtesy Passmark

FX 6100
5,401

PassMark (Single Core)

FX 6100
1,183

Reviews Word on the street

Core i5 2500K  vs FX 6100 

9.0
7.0
In terms of 3D performance, the detail spec changes include an upgrade from DX10 to DX10.
Core i5 2500K

9.8
9.4
Boots up faster, daily things are faster, gaming results in more FPS and it clocks 10x better and higher.
Core i5 2500K

Overall

9.4 Out of 10
8.4 Out of 10

Specifications Full list of technical specs

summary

Core i5 2500K  vs
FX 6100 
Clock speed 3.3 GHz 3.3 GHz
Turbo clock speed 3.7 GHz 3.9 GHz
Cores Quad core Hexa core
Socket type
LGA 1155
AM3+
Is unlocked Yes Yes

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
F16C
MMX
SSE4
XOP
AVX
SSE3
EM64T
SSE
ABM
CLMUL
AMD64
SSE4.1
FMA4
SSE4.2
CVT16
AMD-V
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

integrated graphics

GPU GPU None
Label Intel® HD Graphics 3000 N/A
Latest DirectX 10.1 N/A
Number of displays supported 2 N/A
GPU clock speed 850 MHz N/A
Turbo clock speed 1,100 MHz N/A
3DMark06 5,275 N/A

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Supports ECC No Yes
Maximum bandwidth 21,333.32 MB/s 29,866.66 MB/s

details

Core i5 2500K  vs
FX 6100 
Architecture x86-64 x86-64
Threads 4 6
L2 cache 1 MB 6 MB
L2 cache per core 0.25 MB/core 1 MB/core
L3 cache 6 MB 8 MB
L3 cache per core 1.5 MB/core 1.33 MB/core
Manufacture process 32 nm 32 nm
Transistor count 1,160,000,000 1,200,000,000
Max CPUs 1 1
Voltage range 1.2 - 1.5V 1.21 - 1.35V
Operating temperature 5 - 72.6°C Unknown - 70°C

overclocking

Overclock popularity 3,179 142
Overclock review score 5 5
Overclocked clock speed 5 GHz 4.38 GHz
Overclocked clock speed (Water) 4.79 GHz 4.76 GHz
PassMark (Overclocked) 5,433.6 3,158.7
Overclocked clock speed (Air) 5 GHz 4.38 GHz

power consumption

TDP 95W 95W
Annual home energy cost 41.29 $/year 48.09 $/year
Annual commercial energy cost 110.03 $/year 136.66 $/year
Performance per watt 6.77 pt/W 3.74 pt/W
Idle power consumption 73.4W 79W
Peak power consumption 125.6W 156W
Typical power consumption 112.55W N/A

bus

Architecture DMI HyperTransport 3.1
Number of links 1 1
Transfer rate 5,000 MT/s 5,200 MT/s
Intel Core i5 2500K
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AMD FX 6100
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