IntelBX80677G4620
IntelBX80623I52500K
$246

2 Cores, 4 Threads @3.7GHz, Kaby Lake.
Release date: Q1 2017.

 $246 

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

Real World Speed
Performance profile from 154,299 user samples
2,809 User Benchmarks
Best Bench: 73% Base clock 3.7 GHz
Worst Bench: 54% Base clock 3.7 GHz, turbo 3.7 GHz (avg)
Poor: 54% Great: 73%
SPEED RANK: 397th / 1316
Gaming
Gaming 66%
Battle cruiser
Desktop
Desktop 75%
Battleship
Workstation
Workstation 48%
Yacht
151,490 User Benchmarks
Best Bench: 87% Base clock 3.3 GHz, turbo 4.8 GHz (avg)
Worst Bench: 59% Base clock 3.7 GHz, turbo 0.35 GHz (avg)
Poor: 59% Great: 87%
SPEED RANK: 250th / 1316
Gaming
Gaming 74%
Battleship
Desktop
Desktop 78%
Battleship
Workstation
Workstation 55%
Gunboat
Effective Speed
Effective CPU Speed
66 % 74.1 % Faster effective speed.
+12%
Memory
Avg. Memory Latency
85 Pts 87.4 Pts +3%
1-Core
Avg. Single Core Mixed Speed
105 Pts Faster single-core speed.
+11%
94.9 Pts
2-Core
Avg. Dual Core Mixed Speed
184 Pts 186 Pts +1%
4-Core
Avg. Quad Core Mixed Speed
273 Pts 352 Pts Faster quad-core speed.
+29%
8-Core
Avg. Octa Core Mixed Speed
281 Pts 355 Pts Faster octa-core speed.
+26%
Memory
OC Memory Latency
94.7 Pts 95.6 Pts +1%
1-Core
OC Single Core Mixed Speed
114 Pts 119 Pts +4%
2-Core
OC Dual Core Mixed Speed
214 Pts 235 Pts Slightly faster OC dual-core speed.
+10%
4-Core
OC Quad Core Mixed Speed
308 Pts 464 Pts Much faster OC quad-core speed.
+51%
8-Core
OC Octa Core Mixed Speed
310 Pts 464 Pts Much faster OC octa-core speed.
+50%
Market Share
Based on 46,587,570 CPUs tested.
Market Share
Market Share (trailing 30 days)
0 % 0.21 % Insanely higher market share.
+∞%
Value
Value For Money
81.4 % Slightly better value.
+6%
76.6 %
User Rating
UBM User Rating
54 % 73 % Much more popular.
+35%
Price
Price (score)
$130 Much cheaper.
+47%
$246
Age
Newest
56 Months Much more recent.
+56%
128 Months
TDP
Thermal Design Power (TDP)
51 Watts Much more energy efficient.
+46%
95 Watts
Cores
CPU Processing Cores
2 cores 4 cores Hugely higher core count.
+100%
Threads
CPU Processing Threads
4 threads 4 threads
Lithography
Manufacturing process
14 nm Much newer manufacturing.
+56%
32 nm
Base Clock
Base Clock Speed
3.7 GHz Faster base frequency.
+12%
3.3 GHz
Turbo Clock
Turbo Clock Speed
3.7 GHz 3.7 GHz
64-Core
OC Multi Core Mixed Speed
312 Pts 463 Pts Much faster OC 64-core speed.
+48%
64-Core
Avg. Multi Core Mixed Speed
280 Pts 356 Pts Faster 64-core speed.
+27%
Series
CPU Architecture
Kaby Lake Sandy Bridge
Socket
Motherboard Socket
FCLGA1151 LGA1155
Graphics
Integrated Graphics
HD 630 HD 3000
Launch Date
Launch Date
Q1'17 Q1'11
Cache
Cache
3 MB 6 MB SmartCache
Instruction Set Extensions
Instruction Set Extensions
SSE4.1/4.2 SSE4.1/4.2, AVX
Lithography
Lithography
14 nm 32 nm
Recommended Price
Recommended Customer Price
$93.00 N/A
Bus Speed
Bus Speed
8 GT/s DMI3 5 GT/s DMI
Max Memory Size
Max Memory Size (dependent on memory type)
64 GB 32 GB
Memory Types
Memory Types
DDR4-2133/2400, DDR3L-1333/1600 @ 1.35V DDR3 1066/1333
ECC Memory Supported
ECC Memory Supported ‡
Yes No
Processor Graphics
Processor Graphics ‡
Intel® HD Graphics 630 Intel® HD Graphics 3000
Graphics Base Frequency
Graphics Base Frequency
350.00 MHz 850 MHz
# of Displays Supported
# of Displays Supported ‡
3 2
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.10 GHz 1.1 GHz
Hyper-Threading Tech
Intel® Hyper-Threading Technology ‡
Yes No
PCI Express Revision
PCI Express Revision
3.0 2.0

More specs » More specs »
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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

Processor Rankings (Price vs Performance) September 2021 CPU Rankings.

We calculate effective speed which measures real world performance for typical users. Effective speed is adjusted by current prices to yield a value for money rating. 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.

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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.
  • - SkillBench (space shooter) tests user input accuracy.
  • - 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.

 Frequently Asked Questions

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