IntelBX80601950
IntelBX80646I54440

4 Cores, 8 Threads @3.07GHz, Nehalem.
Release date: Q1 2009.

4 Cores, 4 Threads @3.1GHz, Haswell.
Release date: Q3 2013.

Real World Speed
Performance profile from 117,500 user samples
36,389 User Benchmarks
Best Bench: 74% Base clock 4.2 GHz, turbo 4.15 GHz (avg)
Worst Bench: 54% Base clock 3.05 GHz, turbo 3.05 GHz (avg)
Poor: 54% Great: 74%
SPEED RANK: 493rd / 1451
Gaming
Gaming 66%
Battle cruiser
Desktop
Desktop 69%
Battle cruiser
Workstation
Workstation 50%
Yacht
81,111 User Benchmarks
Best Bench: 70% Base clock 3.1 GHz, turbo 3.1 GHz (avg)
Worst Bench: 45% Base clock 3.1 GHz, turbo 3.1 GHz (avg)
Poor: 45% Great: 70%
SPEED RANK: 568th / 1451
Gaming
Gaming 61%
Destroyer
Desktop
Desktop 67%
Battle cruiser
Workstation
Workstation 45%
Yacht
Effective Speed
Effective CPU Speed
65.9 % Slightly faster effective speed.
+7%
61.3 %
Memory
Avg. Memory Latency
86.7 Pts Lower memory latency.
+11%
78.2 Pts
1-Core
Avg. Single Core Speed
75.5 Pts 80.8 Pts Slightly faster single-core speed.
+7%
2-Core
Avg. Dual Core Speed
144 Pts 159 Pts Faster dual-core speed.
+10%
4-Core
Avg. Quad Core Speed
248 Pts 257 Pts +4%
8-Core
Avg. Octa Core Speed
350 Pts Faster octa-core speed.
+29%
271 Pts
Memory
OC Memory Latency
96.1 Pts Slightly lower OC memory latency.
+5%
91.1 Pts
1-Core
OC Single Core Speed
88 Pts 89.5 Pts +2%
2-Core
OC Dual Core Speed
170 Pts 175 Pts +3%
4-Core
OC Quad Core Speed
309 Pts 315 Pts +2%
8-Core
OC Octa Core Speed
417 Pts Much faster OC octa-core speed.
+30%
320 Pts
Market Share
Based on 68,069,749 CPUs tested
Market Share
Market Share (trailing 30 days)
0.03 % 0.08 % Hugely higher market share.
+167%
Value
Value For Money
87.3 % Better value.
+15%
75.9 %
User Rating
UBM User Rating
55 % +2% 54 %
Price
Price (score)
$100 Cheaper.
+22%
$128
Age
Newest
183 Months 129 Months More recent.
+30%
TDP
Thermal Design Power (TDP)
130 Watts 84 Watts Much more energy efficient.
+35%
Cores
CPU Processing Cores
4 cores 4 cores
Threads
CPU Processing Threads
8 threads Hugely higher thread count.
+100%
4 threads
Lithography
Manufacturing process
45 nm 22 nm Much newer manufacturing.
+51%
Base Clock
Base Clock Speed
3.07 GHz 3.1 GHz +1%
Turbo Clock
Turbo Clock Speed
3.33 GHz +1% 3.3 GHz
64-Core
OC Multi Core Speed
434 Pts Much faster OC 64-core speed.
+35%
321 Pts
64-Core
Avg. Multi Core Speed
356 Pts Faster 64-core speed.
+30%
274 Pts
Series
CPU Architecture
Nehalem Haswell
Socket
Motherboard Socket
LGA1366 FCLGA1150
Graphics
Integrated Graphics
None HD 4600
Launch Date
Launch Date
Q2'09 Q3'13
Cache
Cache
8 MB SmartCache 6 MB SmartCache
Instruction Set Extensions
Instruction Set Extensions
SSE4.2 SSE4.1/4.2, AVX 2.0
Lithography
Lithography
45 nm 22 nm
Recommended Price
Recommended Customer Price
$305.00 $182.00 - $187.00
Max Turbo Frequency
Max Turbo Frequency
3.33 GHz 3.3 GHz
Bus Speed
Bus Speed
4.8 GT/s QPI 5 GT/s DMI2
Max Memory Size
Max Memory Size (dependent on memory type)
24 GB 32 GB
Memory Types
Memory Types
DDR3 800/1066 DDR3-1333/1600, DDR3L-1333/1600 @ 1.5V
Memory Channels
Max # of Memory Channels
3 2
Package Size
Package Size
42.5mm x 45.0mm 37.5mm x 37.5mm
Thermal Monitoring Technologies
Thermal Monitoring Technologies
No Yes
Turbo Boost Tech
Intel® Turbo Boost Technology ‡
1.0 2.0
Hyper-Threading Tech
Intel® Hyper-Threading Technology ‡
Yes No
AES New Instructions
Intel® AES New Instructions
No Yes

More specs » More specs »
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Processor Rankings (Price vs Performance) June 2024 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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  • Fastest real world speed - Real World Speed measures performance for typical consumers.
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