Intel
IntelBX80646I74790

2 Cores, 4 Threads @2.4 GHz, Arrandale.
Release date ≤ Q4 2013.

4 Cores, 8 Threads @3.6GHz, Haswell.
Release date: Q2 2014.

Real World Speed
Performance profile from 278,434 user samples
23,407 User Benchmarks
Best Bench: 45% Base clock 2.4 GHz, turbo 2.4 GHz (avg)
Worst Bench: 26% Base clock 2.4 GHz, turbo 0.9 GHz (avg)
Poor: 26% Great: 45%
SPEED RANK: 1088th / 1442
Gaming
Gaming 39%
Jet ski
Desktop
Desktop 44%
Speed boat
Workstation
Workstation 27%
Raft
255,027 User Benchmarks
Best Bench: 80% Base clock 3.6 GHz, turbo 4 GHz (avg)
Worst Bench: 58% Base clock 3.6 GHz, turbo 1.5 GHz (avg)
Poor: 58% Great: 80%
SPEED RANK: 371st / 1442
Gaming
Gaming 71%
Battleship
Desktop
Desktop 75%
Battleship
Workstation
Workstation 58%
Gunboat
Effective Speed
Effective CPU Speed
39.3 % 71.4 % Hugely faster effective speed.
+82%
Memory
Avg. Memory Latency
57.8 Pts 82.6 Pts Much lower memory latency.
+43%
1-Core
Avg. Single Core Speed
50.5 Pts 98.4 Pts Hugely faster single-core speed.
+95%
2-Core
Avg. Dual Core Speed
88.3 Pts 187 Pts Hugely faster dual-core speed.
+112%
4-Core
Avg. Quad Core Speed
122 Pts 327 Pts Hugely faster quad-core speed.
+168%
8-Core
Avg. Octa Core Speed
124 Pts 482 Pts Hugely faster octa-core speed.
+289%
Memory
OC Memory Latency
66.1 Pts 93.6 Pts Much lower OC memory latency.
+42%
1-Core
OC Single Core Speed
58.7 Pts 109 Pts Hugely faster OC single-core speed.
+86%
2-Core
OC Dual Core Speed
113 Pts 214 Pts Hugely faster OC dual-core speed.
+89%
4-Core
OC Quad Core Speed
148 Pts 377 Pts Hugely faster OC quad-core speed.
+155%
8-Core
OC Octa Core Speed
148 Pts 551 Pts Hugely faster OC octa-core speed.
+272%
Market Share
Based on 67,777,376 CPUs tested
Market Share
Market Share (trailing 30 days)
0.01 % 0.64 % Insanely higher market share.
+6,300%
Value
Value For Money
45.2 % 87.1 % Hugely better value.
+93%
User Rating
UBM User Rating
51 % 62 % More popular.
+22%
Price
Price (score)
$167 $135 Cheaper.
+19%
Age
Newest
125+ Months 119 Months +5%
64-Core
OC Multi Core Speed
148 Pts 556 Pts Hugely faster OC 64-core speed.
+276%
64-Core
Avg. Multi Core Speed
123 Pts 495 Pts Hugely faster 64-core speed.
+302%
Launch Date
Launch Date
Q3'10 Q2'14
Cache
Cache
3 MB SmartCache 8 MB SmartCache
Instruction Set Extensions
Instruction Set Extensions
SSE4.1/4.2 SSE4.1/4.2, AVX 2.0
Lithography
Lithography
32 nm 22 nm
Recommended Price
Recommended Customer Price
N/A $303.00 - $312.00
Bus Speed
Bus Speed
2.5 GT/s DMI 5 GT/s DMI2
Max Memory Size
Max Memory Size (dependent on memory type)
8 GB 32 GB
Memory Types
Memory Types
DDR3 800/1066 DDR3-1333/1600, DDR3L-1333/1600 @ 1.5V
Memory Bandwidth
Max Memory Bandwidth
17.1 GB/s 25.6 GB/s
Processor Graphics
Processor Graphics ‡
Intel® HD Graphics Intel® HD Graphics 4600
Graphics Base Frequency
Graphics Base Frequency
500 MHz 350 MHz
# of Displays Supported
# of Displays Supported ‡
2 3
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
667 MHz 1.2 GHz
Package Size
Package Size
rPGA 37.5mmx 37.5mm, BGA 34mmx28mm 37.5mm x 37.5mm
Graphics and IMC Lithography
Graphics and IMC Lithography
45 nm 22 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
vPro Tech
Intel® vPro™ Technology ‡
No Yes
AES New Instructions
Intel® AES New Instructions
No Yes
Trusted Execution Tech
Intel® Trusted Execution Technology ‡
No Yes
PCI Express Revision
PCI Express Revision
2.0 Up to 3.0
PCI Express Configurations
PCI Express Configurations ‡
1x16 Up to 1x16, 2x8, 1x8+2x4

More specs » More specs »
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The Core i7-4790 is the third upgrade to Intel's flagship quad core hyper-threaded CPU. This version, like its predecessor the i7-4771, gets a 100 MHz bump in stock frequency and additionally the i7-4790 also gets a 100 MHz turbo frequency bump. These improvements (~4%) are marginal and practically impossible to discern in day to day use. Looking at a benchmark comparison between the 4771 and 4790 verifies that there is little difference between the two CPUs. Although the i7-4790 isn't much of a step forward, it's still one of the best (locked) mainstream processors on the market. AMD hasn't been able to compete with Intel on single threaded performance for several years, consequently Intel have no need to push the envelope. Overclockers should wait for the 4790K which is rumoured to be released shortly. [May '14 CPUPro]

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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.
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Welcome to our 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 value for money upgrades.

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  • - SkillBench (space shooter) tests user input accuracy
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 Frequently Asked Questions

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