IntelBX80646I54440
IntelBX80646I34350

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

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

Real World Speed
Performance profile from 81,623 user samples
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: 561st / 1445
Gaming
Gaming 61%
Destroyer
Desktop
Desktop 67%
Battle cruiser
Workstation
Workstation 45%
Yacht
512 User Benchmarks
Best Bench: 72% Base clock 3.6 GHz
Worst Bench: 55% Base clock 3.6 GHz, turbo 2.1 GHz (avg)
Poor: 55% Great: 72%
SPEED RANK: 484th / 1445
Gaming
Gaming 66%
Battle cruiser
Desktop
Desktop 74%
Battleship
Workstation
Workstation 48%
Yacht
Effective Speed
Effective CPU Speed
61.3 % 65.9 % Slightly faster effective speed.
+7%
Memory
Avg. Memory Latency
78.2 Pts 87.4 Pts Lower memory latency.
+12%
1-Core
Avg. Single Core Speed
80.8 Pts 97.7 Pts Faster single-core speed.
+21%
2-Core
Avg. Dual Core Speed
159 Pts 172 Pts Slightly faster dual-core speed.
+8%
4-Core
Avg. Quad Core Speed
257 Pts 259 Pts +1%
8-Core
Avg. Octa Core Speed
271 Pts +3% 262 Pts
Memory
OC Memory Latency
91.1 Pts 95 Pts +4%
1-Core
OC Single Core Speed
89.5 Pts 108 Pts Faster OC single-core speed.
+21%
2-Core
OC Dual Core Speed
175 Pts 205 Pts Faster OC dual-core speed.
+17%
4-Core
OC Quad Core Speed
315 Pts Faster OC quad-core speed.
+10%
286 Pts
8-Core
OC Octa Core Speed
320 Pts Faster OC octa-core speed.
+12%
286 Pts
Market Share
Based on 67,905,399 CPUs tested
Market Share
Market Share (trailing 30 days)
0.2 % Insanely higher market share.
+∞%
0 %
Value
Value For Money
81.5 % 107 % Much better value.
+31%
User Rating
UBM User Rating
54 % +4% 52 %
Price
Price (score)
$99 $48 Much cheaper.
+51%
Age
Newest
128 Months 120 Months Slightly more recent.
+6%
TDP
Thermal Design Power (TDP)
84 Watts 54 Watts Much more energy efficient.
+36%
Cores
CPU Processing Cores
4 cores Hugely higher core count.
+100%
2 cores
Threads
CPU Processing Threads
4 threads 4 threads
Lithography
Manufacturing process
22 nm 22 nm
Base Clock
Base Clock Speed
3.1 GHz 3.6 GHz Faster base frequency.
+16%
Turbo Clock
Turbo Clock Speed
3.3 GHz 3.6 GHz Slightly faster turbo frequency.
+9%
64-Core
OC Multi Core Speed
321 Pts Faster OC 64-core speed.
+12%
286 Pts
64-Core
Avg. Multi Core Speed
274 Pts +4% 264 Pts
Series
CPU Architecture
Haswell Haswell
Socket
Motherboard Socket
FCLGA1150 FCLGA1150
Graphics
Integrated Graphics
HD 4600 HD 4600
Launch Date
Launch Date
Q3'13 Q2'14
Cache
Cache
6 MB SmartCache 4 MB SmartCache
Recommended Price
Recommended Customer Price
$182.00 - $187.00 $138.00 - $147.00
Thermal Solution Specification
Thermal Solution Specification
PCG 2013D PCG 2013C
ECC Memory Supported
ECC Memory Supported ‡
No Yes
Graphics Output
Graphics Output
eDP/DP/HDMI/VGA eDP/DP/HDMI/DVI/VGA
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.1 GHz 1.15 GHz
Turbo Boost Tech
Intel® Turbo Boost Technology ‡
2.0 No
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) ‡
Yes No

More specs » More specs »
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The Intel i5-4440 is one of the cheaper four core Haswell processors. Unfortunately it is clocked at just 3.3 GHz Turbo, which is 15% lower than the leading Haswell i5 and because it has a locked multiplier there is little that can be done about it. Comparing the 4440 to the 4670K shows that the 15% reduction in Turbo clock speed basically results in a 23% performance loss to the 4670K. The Pentium G3420 actually has a higher base clock speed and costs about a third as much as the i5-4440 yet for the majority of, single and dual-core, desktop orientated tasks offers comparable performance. I don't think the i5-4440 makes much sense and would prefer either a much stronger 4770 or the weaker but much better value G3420[Mar '14 CPUPro]

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The Intel Core i3-4350 is a refreshed version of the Haswell i3-4330. The newer i3-4350 has received a 100 MHz increase in clock speed which translates to a performance improvement of 2.8%. With an effective speed of 93.5 the i3-4350 is no slouch and offers performance that's slightly above the average of the ten group leaders. Similar to the G3258, the 4350 has a performance profile which favours single and dual core workloads. Comparing the G3258 and 4350 shows that not only does the G3258 offer far better overclocked performance but it also costs less than half as much as the i3-4350. Although the i3-4350 is not a bad processor, there are relatively few use cases that would justify its price when compared to the stellar G3258. [Jul '14 CPUPro]

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Processor Rankings (Price vs Performance) May 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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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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