IntelBX80623I52500K
$246
AMDFD8350FRHKBOX
 $246 

4 Cores, 4 Threads @3.3GHz, Sandy Bridge.
Release date: Q1 2011.

VS
About

8 Cores, 8 Threads @4.0GHz, Piledriver.
Release date: Q4 2012.

Real World Speed
Performance profile from 303,341 user samples
96,033 User Benchmarks
Best Bench: 76% Base clock 3.3 GHz, turbo 5.1 GHz (avg)
Worst Bench: 42% Base clock 3.3 GHz
Poor: 42% Great: 76%
SPEED RANK: 183rd / 1182
Gaming
Gaming 59%
Gunboat
Desktop
Desktop 67%
Battle cruiser
Workstation
Workstation 35%
Jet ski
207,308 User Benchmarks
Best Bench: 55% Base clock 4.8 GHz, turbo 4.8 GHz (avg)
Worst Bench: 40% Base clock 4.2 GHz, turbo 1.4 GHz (avg)
Poor: 40% Great: 55%
SPEED RANK: 303rd / 1182
Gaming
Gaming 48%
Yacht
Desktop
Desktop 50%
Yacht
Workstation
Workstation 39%
Jet ski
Effective Speed
Effective CPU Speed
59.2 % Faster effective speed.
+24%
47.9 %
1-Core
Avg. Single Core Mixed Speed
97 Pts Much faster single-core speed.
+31%
74.1 Pts
2-Core
Avg. Dual Core Mixed Speed
192 Pts Much faster dual-core speed.
+34%
143 Pts
4-Core
Avg. Quad Core Mixed Speed
358 Pts Much faster quad-core speed.
+33%
270 Pts
8-Core
Avg. Octa Core Mixed Speed
365 Pts 460 Pts Faster octa-core speed.
+26%
64-Core
Avg. Multi Core Mixed Speed
368 Pts 466 Pts Faster 64-core speed.
+27%
1-Core
OC Single Core Mixed Speed
119 Pts Much faster OC single-core speed.
+44%
82.8 Pts
2-Core
OC Dual Core Mixed Speed
237 Pts Much faster OC dual-core speed.
+47%
161 Pts
4-Core
OC Quad Core Mixed Speed
467 Pts Much faster OC quad-core speed.
+51%
309 Pts
8-Core
OC Octa Core Mixed Speed
468 Pts 538 Pts Slightly faster OC octa-core speed.
+15%
64-Core
OC Multi Core Mixed Speed
471 Pts 540 Pts Slightly faster OC 64-core speed.
+15%
Market Share
Based on 19,360,478 CPUs tested.
Market Share
Market Share (trailing 30 days)
0.48 % 0.96 % Hugely higher market share.
+100%
Value
Value For Money
61.2 % 62.7 % +2%
User Rating
UBM User Rating
70 % 73 % +4%
Price
Price (score)
$246 $105 Much cheaper.
+57%
Age
Newest
103 Months 82 Months More recent.
+20%
TDP
Thermal Design Power (TDP)
95 Watts More energy efficient.
+24%
125 Watts
Cores
CPU Processing Cores
4 cores 8 cores Hugely higher core count.
+100%
Threads
CPU Processing Threads
4 threads 8 threads Hugely higher thread count.
+100%
Lithography
Manufacturing process
32 nm 32 nm
Base Clock
Base Clock Speed
3.3 GHz 4 GHz Faster base frequency.
+21%
Turbo Clock
Turbo Clock Speed
3.7 GHz 4.2 GHz Slightly faster turbo frequency.
+14%
Series
CPU Architecture
Sandy Bridge Piledriver
Socket
Motherboard Socket
LGA1155 AM3+
Graphics
Integrated Graphics
HD 3000 None
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The i5-2500K is a second generation Sandy Bridge processor which is currently two generations old and nearly three years out of date. The many users that had the good sense to purchase this processor should feel in no hurry to upgrade as it's still no slouch, even by today's standards. The benchmark figures indicate that, even at stock clock rates, in terms of real-world performance this processor is approximately 20% slower than the best currently available, not bad considering its age. Given that the 2500K has an unlocked multiplier upping its performance by 10% with stock cooling should not pose much of a problem for the majority of owners. Here is a detailed performance comparison of the 2500K vs 4670K.  [Jul '13 CPUPro]

MORE DETAILS

In terms of raw single-core performance the flagship AMD FX-8350 is lagging behind intel's processor line-up by over two generations. The PassMark Single Thread scores for the i5-2500K vs the FX-8350 are 1863 to 1520 which shows that in terms of raw per-core processing the FX-8350 is lagging the two year old i5 by 23%. Where the AMD FX makes up is on multi-core performance, with a score of 9156 vs 6745, the AMD leads the Intel 2500K by 36% making it the far more capable multi-threaded server orientated performer. The AMD is also cheaper but significantly more power hungry which counts strongly against it as a server proposition. The FX-8350 could be a good fit for specific server use cases but for general consumer use, which is single and dual core intensive, Intel's two year old i5-2500K delivers better performance. [May '13 CPUPro]

MORE DETAILS

Processor Rankings (Price vs Performance) August 2019 CPU Rankings.

We calculate effective speed which measures real world performance for typical gamers and desktop users. Effective speed is adjusted by current prices to yield a value for money rating which is geared towards gamers. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top CPUs. [CPUPro]

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
How Fast Is Your CPU? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

UserBenchmark of the month

How it works

  • - Download and run UserBenchMark.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
  • - Share your opinion by voting.

 Frequently Asked Questions

 Best User Rated

The Best.
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AMD Ryzen 7 2700X $233Nvidia GTX 1080-Ti $750Samsung 850 Pro 256GB $195
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $78SanDisk Extreme 64GB $128
WD Blue 1TB (2012) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $695SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $80Corsair Vengeance LPX DDR4 3200 C16 2x8GB $82SanDisk Extreme 16GB $24
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