IntelBX80646G3258
IntelBX80662I56600K

2 Cores, 2 Threads
@3.2GHz Haswell (2013)

4 Cores, 4 Threads
@3.5GHz Skylake (2015)

Real World Speed
Performance profile from 113,478 user samples
10,809 User Benchmarks
Best Bench: 63% Base clock 3.2 GHz, turbo 4.8 GHz (avg)
Worst Bench: 30% Base clock 3.2 GHz, turbo 0.8 GHz (avg)
Poor: 30% Great: 63%
SPEED RANK: 304th / 985
Gaming
Gaming 48%
Yacht
Desktop
Desktop 60%
Destroyer
Workstation
Workstation 28%
Raft
102,669 User Benchmarks
Best Bench: 107% Base clock 3.5 GHz, turbo 4.8 GHz (avg)
Worst Bench: 71% Base clock 3.5 GHz, turbo 0.75 GHz (avg)
Poor: 71% Great: 107%
SPEED RANK: 30th / 985
Gaming
Gaming 89%
Aircraft carrier
Desktop
Desktop 87%
Aircraft carrier
Workstation
Workstation 54%
Yacht
Effective Speed
Effective CPU Speed
47.6 % 89 % Hugely faster effective speed.
+87%
SC Mixed
Avg. Single Core Mixed Speed
99.1 Pts 122 Pts Faster single-core speed.
+23%
QC Mixed
Avg. Quad Core Mixed Speed
193 Pts 462 Pts Hugely faster quad-core speed.
+139%
MC Mixed
Avg. Multi Core Mixed Speed
197 Pts 471 Pts Hugely faster multi-core speed.
+139%
SC Mixed
OC Single Core Mixed Speed
131 Pts 144 Pts Slightly faster OC single-core speed.
+10%
QC Mixed
OC Quad Core Mixed Speed
258 Pts 563 Pts Hugely faster OC quad-core speed.
+118%
MC Mixed
OC Multi Core Mixed Speed
260 Pts 566 Pts Hugely faster OC multi-core speed.
+118%
Market Share
Based on 7,455,169 CPUs tested.
Market Share
Market Share (trailing 30 days)
0.13 % 1.11 % Hugely higher market share.
+754%
Value
Value For Money
77.3 % 98.5 % Better value.
+27%
User Rating
UBM User Rating
72 % 88 % More popular.
+22%
Price
Price (score)
$80 Much cheaper.
+64%
$222
Age
Newest
45 Months 30 Months Much more recent.
+33%
TDP
Thermal Design Power (TDP)
53 Watts Much more energy efficient.
+42%
91 Watts
Cores
CPU Processing Cores
2 cores 4 cores Hugely higher core count.
+100%
Threads
CPU Processing Threads
2 threads 4 threads Hugely higher thread count.
+100%
Lithography
Manufacturing process
22 nm 14 nm Much newer manufacturing.
+36%
Base Clock
Base Clock Speed
3.2 GHz 3.5 GHz Slightly faster base frequency.
+9%
Turbo Clock
Turbo Clock Speed
3.2 GHz 3.9 GHz Faster turbo frequency.
+22%
SC Int
Single Core Integer Speed
130 Pts 141 Pts Slightly faster single-core int speed.
+8%
SC Float
Single Core Floating Point Speed
129 Pts 149 Pts Faster single-core fp speed.
+16%
QC Int
Quad Core Integer Speed
255 Pts 549 Pts Hugely faster quad-core int speed.
+115%
QC Float
Quad Core Floating Point Speed
254 Pts 581 Pts Hugely faster quad-core fp speed.
+129%
MC Int
Multi Core Integer Speed
255 Pts 549 Pts Hugely faster multi-core int speed.
+115%
MC Float
Multi Core Floating Point Speed
255 Pts 585 Pts Hugely faster multi-core fp speed.
+129%
Series
CPU Architecture
Haswell (2013) Skylake (2015)
Socket
Motherboard Socket
FCLGA1150 FCLGA1151
Graphics
Integrated Graphics
HD HD 530
Launch Date
Launch Date
Q2'14 Q3'15
Cache
Cache
3 MB 6 MB SmartCache
Instruction Set Extensions
Instruction Set Extensions
SSE4.1/4.2 SSE4.1/4.2, AVX 2.0
Lithography
Lithography
22 nm 14 nm
Recommended Price
Recommended Customer Price
$72.00 $242.00 - $243.00
Bus Speed
Bus Speed
5 GT/s DMI2 8 GT/s DMI3
Thermal Solution Specification
Thermal Solution Specification
PCG 2013C PCG 2015D (130W)
Max Memory Size
Max Memory Size (dependent on memory type)
32 GB 64 GB
Memory Types
Memory Types
DDR3-1333, DDR3L-1333 @ 1.5V DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V
Memory Bandwidth
Max Memory Bandwidth
21.3 GB/s 34.1 GB/s
ECC Memory Supported
ECC Memory Supported ‡
Yes No
Processor Graphics
Processor Graphics ‡
Intel® HD Graphics Intel® HD Graphics 530
Graphics Output
Graphics Output
eDP/DP/HDMI/DVI/VGA eDP/DP/HDMI/DVI
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.1 GHz 1.15 GHz
Clear Video HD Tech
Intel® Clear Video HD Technology
No Yes
Graphics Video Max Memory
Graphics Video Max Memory
1.7 GB 64 GB
Graphics and IMC Lithography
Graphics and IMC Lithography
22 nm 14 nm
Turbo Boost Tech
Intel® Turbo Boost Technology
No 2.0
Virtualization for Directed I/O (VT-d)
Intel® Virtualization Technology for Directed I/O (VT-d) ‡
No Yes
TSX-NI
Intel® TSX-NI
No Yes
AES New Instructions
Intel® AES New Instructions
No Yes
PCI Express Revision
PCI Express Revision
Up to 3.0 3.0

More specs » More specs »
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The Intel G3258 is the first budget Pentium processor to feature an unlocked multiplier. This enables a comfortable overclock to 4.3 GHz using just the stock heat sink and fan. At 4.3 GHz, in terms of single and dual core performance, the G3258 challenges a fully overclocked i7-4790K, the fastest CPU I have seen to date! These results are stunning considering that the G3258 is retailing for around one fifth as much as an i7-4790K. The G3258's Achilles heel is its poor multi-core performance which is over 50% weaker than the group leaders. For the vast majority of users, assuming an overclock of 4.3 GHz, the G3258 is the best value processor on the market by miles. On the other hand, users that encode multi-media or run SLI/Crossfire setups should look elsewhere. [Jul '14 CPUPro]

MORE DETAILS

The Intel Core i5-6600K is based on the new "Skylake" 14nm manufacturing process. Sporting 4 physical cores with base/turbo clocks of 3.5/3.9 GHz the 6600K and its predecessor, the 4690K share the same basic configuration and disappointingly, offer similar performance. Comparing the 6600K and 6700K shows that the 6700K has faster multi and single core performance. The improved multi core performance is due to Hyperthreading which is the key differentiator for the i7-6700K. The gap in single core performance can largely be eliminated by overclocking the i5-6600K so although the stock effective speed is significantly higher on the 6700K, this gap diminishes significantly when both processors are overclocked. At a 30% discount, the 6600K is the better value gaming CPU. [Aug '15 CPUPro]

MORE DETAILS

Processor Rankings (Price vs Performance) February 2018 CPU Rankings.

We calculate effective speed which measures real world performance for typical consumers. 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.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance and price.
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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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  • - Download and run UserBenchMark (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
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  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
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  • - Compare your components to the highest voted in class.
  • - Find the best upgrades.
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