IntelBX80646G3258
IntelBX80646I74790K
$348

2 Cores, 2 Threads @3.2GHz, Haswell.
Release date: Q2 2014.

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About
 $348 

4 Cores, 8 Threads @4.0GHz, Haswell.
Release date: Q2 2014.

Real World Speed
Performance profile from 252,952 user samples
13,449 User Benchmarks
Best Bench: 44% Base clock 3.2 GHz, turbo 4.65 GHz (avg)
Worst Bench: 21% Base clock 3.2 GHz
Poor: 21% Great: 44%
SPEED RANK: 523rd / 1184
Gaming
Gaming 33%
Sail boat
Desktop
Desktop 59%
Gunboat
Workstation
Workstation 21%
Surfboard
239,503 User Benchmarks
Best Bench: 88% Base clock 4.9 GHz, turbo 6 GHz (avg)
Worst Bench: 58% Base clock 4 GHz, turbo 0.75 GHz (avg)
Poor: 58% Great: 88%
SPEED RANK: 70th / 1184
Gaming
Gaming 75%
Battleship
Desktop
Desktop 82%
Aircraft carrier
Workstation
Workstation 55%
Gunboat
Effective Speed
Effective CPU Speed
32.7 % 74.5 % Hugely faster effective speed.
+128%
1-Core
Avg. Single Core Mixed Speed
95.6 Pts 122 Pts Faster single-core speed.
+28%
2-Core
Avg. Dual Core Mixed Speed
183 Pts 236 Pts Faster dual-core speed.
+29%
4-Core
Avg. Quad Core Mixed Speed
184 Pts 420 Pts Hugely faster quad-core speed.
+128%
8-Core
Avg. Octa Core Mixed Speed
187 Pts 621 Pts Hugely faster octa-core speed.
+232%
64-Core
Avg. Multi Core Mixed Speed
187 Pts 631 Pts Hugely faster 64-core speed.
+237%
1-Core
OC Single Core Mixed Speed
126 Pts 137 Pts Slightly faster OC single-core speed.
+9%
2-Core
OC Dual Core Mixed Speed
248 Pts 271 Pts Slightly faster OC dual-core speed.
+9%
4-Core
OC Quad Core Mixed Speed
248 Pts 512 Pts Hugely faster OC quad-core speed.
+106%
8-Core
OC Octa Core Mixed Speed
249 Pts 714 Pts Hugely faster OC octa-core speed.
+187%
64-Core
OC Multi Core Mixed Speed
250 Pts 717 Pts Hugely faster OC 64-core speed.
+187%
Market Share
Based on 21,112,136 CPUs tested.
Market Share
Market Share (trailing 30 days)
0.04 % 1.17 % Insanely higher market share.
+2,825%
Value
Value For Money
46 % 70.1 % Much better value.
+52%
User Rating
UBM User Rating
62 % 114 % Hugely more popular.
+84%
Price
Price (score)
$80 Much cheaper.
+77%
$348
Age
Newest
65 Months 64 Months +2%
TDP
Thermal Design Power (TDP)
53 Watts Much more energy efficient.
+40%
88 Watts
Cores
CPU Processing Cores
2 cores 4 cores Hugely higher core count.
+100%
Threads
CPU Processing Threads
2 threads 8 threads Hugely higher thread count.
+300%
Lithography
Manufacturing process
22 nm 22 nm
Base Clock
Base Clock Speed
3.2 GHz 4 GHz Faster base frequency.
+25%
Turbo Clock
Turbo Clock Speed
3.2 GHz 4.4 GHz Much faster turbo frequency.
+38%
Series
CPU Architecture
Haswell Haswell
Socket
Motherboard Socket
FCLGA1150 FCLGA1150
Graphics
Integrated Graphics
HD HD 4600
Cache
Cache
3 MB 8 MB SmartCache
Instruction Set Extensions
Instruction Set Extensions
SSE4.1/4.2 SSE4.1/4.2, AVX 2.0
Recommended Price
Recommended Customer Price
$72.00 $339.00 - $350.00
Thermal Solution Specification
Thermal Solution Specification
PCG 2013C PCG 2013D
Memory Types
Memory Types
DDR3-1333, DDR3L-1333 @ 1.5V DDR3-1333/1600, DDR3L-1333/1600 @ 1.5V
Memory Bandwidth
Max Memory Bandwidth
21.3 GB/s 25.6 GB/s
ECC Memory Supported
ECC Memory Supported ‡
Yes No
Processor Graphics
Processor Graphics ‡
Intel® HD Graphics Intel® HD Graphics 4600
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.1 GHz 1.25 GHz
Clear Video HD Tech
Intel® Clear Video HD Technology
No Yes
Graphics Video Max Memory
Graphics Video Max Memory
1.7 GB 2 GB
Turbo Boost Tech
Intel® Turbo Boost Technology
No 2.0
Hyper-Threading Tech
Intel® Hyper-Threading Technology ‡
No Yes
Virtualization for Directed I/O (VT-d)
Intel® Virtualization Technology for Directed I/O (VT-d) ‡
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 i7-4790K, codenamed Devil's Canyon, is an upgraded 4770K, Intel's current flagship i7. The 4790K features an improved thermal interface which enables it to dissipate heat more efficiently than the 4770K. Comparing the 4770K and 4790K shows that stock performance has improved by 13% which is consistent with the base clock jump from 3.5 GHz to 4.0 GHz. OC performance remains unchanged. Comparing the 4790K and 4790 shows that at stock clocks the 4790K is around 16% faster which considering the small price difference makes the 4790K a far better choice. Previously Intel targeted the unlocked K versions at overclockers but with Devil's Canyon they have included VT-d on the K chip and this time it's squarely aimed at both power users and overclockers alike. Until the release of Broadwell in six months, the 4790K is the high end CPU of choice. [Jul '14 CPUPro]

MORE DETAILS

Processor Rankings (Price vs Performance) October 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.
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