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IntelBX80646G3220
IntelBX80684I58400

2 Cores, 2 Threads @3.0GHz, Haswell.
Release date: Q3 2013.

6 Cores, 6 Threads @2.8GHz, Coffee Lake.
Release date: Q4 2017.

Real World Speed
Performance profile from 331,557 user samples
19,337 User Benchmarks
Best Bench: 59% Base clock 3 GHz, turbo 3 GHz (avg)
Worst Bench: 31% Base clock 3 GHz, turbo 3 GHz (avg)
Poor: 31% Great: 59%
SPEED RANK: 870th / 1468
Gaming
Gaming 48%
Yacht
Desktop
Desktop 58%
Gunboat
Workstation
Workstation 33%
Sail boat
312,220 User Benchmarks
Best Bench: 89% Base clock 2.8 GHz, turbo 3.8 GHz (avg)
Worst Bench: 61% Base clock 2.8 GHz, turbo 0.8 GHz (avg)
Poor: 61% Great: 89%
SPEED RANK: 231st / 1468
Gaming
Gaming 82%
Aircraft carrier
Desktop
Desktop 83%
Aircraft carrier
Workstation
Workstation 66%
Battle cruiser
Effective Speed
Effective CPU Speed
48.3 % 81.8 % Much faster effective speed.
+69%
Memory
Avg. Memory Latency
73.1 Pts 84.9 Pts Lower memory latency.
+16%
1-Core
Avg. Single Core Speed
74.4 Pts 113 Pts Much faster single-core speed.
+52%
2-Core
Avg. Dual Core Speed
133 Pts 224 Pts Much faster dual-core speed.
+68%
4-Core
Avg. Quad Core Speed
138 Pts 434 Pts Hugely faster quad-core speed.
+214%
8-Core
Avg. Octa Core Speed
141 Pts 564 Pts Hugely faster octa-core speed.
+300%
Memory
OC Memory Latency
90.1 Pts 94.2 Pts +5%
1-Core
OC Single Core Speed
85.4 Pts 120 Pts Much faster OC single-core speed.
+41%
2-Core
OC Dual Core Speed
170 Pts 237 Pts Much faster OC dual-core speed.
+39%
4-Core
OC Quad Core Speed
169 Pts 471 Pts Hugely faster OC quad-core speed.
+179%
8-Core
OC Octa Core Speed
169 Pts 657 Pts Hugely faster OC octa-core speed.
+289%
Market Share
Based on 69,052,451 CPUs tested
Market Share
Market Share (trailing 30 days)
0.01 % 0.86 % Insanely higher market share.
+8,500%
Value
Value For Money
72 % 104 % Much better value.
+45%
User Rating
UBM User Rating
54 % 62 % More popular.
+15%
Price
Price (score)
$65 Much cheaper.
+43%
$115
Age
Newest
134 Months 85 Months Much more recent.
+37%
TDP
Thermal Design Power (TDP)
53 Watts More energy efficient.
+18%
65 Watts
Cores
CPU Processing Cores
2 cores 6 cores Hugely higher core count.
+200%
Threads
CPU Processing Threads
2 threads 6 threads Hugely higher thread count.
+200%
Lithography
Manufacturing process
22 nm 14 nm Much newer manufacturing.
+36%
Base Clock
Base Clock Speed
3 GHz Slightly faster base frequency.
+7%
2.8 GHz
Turbo Clock
Turbo Clock Speed
3 GHz 4 GHz Much faster turbo frequency.
+33%
64-Core
OC Multi Core Speed
169 Pts 675 Pts Hugely faster OC 64-core speed.
+299%
64-Core
Avg. Multi Core Speed
140 Pts 588 Pts Hugely faster 64-core speed.
+320%
Series
CPU Architecture
Haswell Coffee Lake
Socket
Motherboard Socket
FCLGA1150 FCLGA1151
Graphics
Integrated Graphics
HD UHD 630
Launch Date
Launch Date
Q3'13 Q4'17
Cache
Cache
3 MB SmartCache 9 MB
Instruction Set Extensions
Instruction Set Extensions
SSE4.1/4.2 SSE4.1/4.2, AVX2
Lithography
Lithography
22 nm 14 nm
Recommended Price
Recommended Customer Price
$54.00 - $64.00 N/A
Bus Speed
Bus Speed
5 GT/s DMI2 8 GT/s DMI3
Thermal Solution Specification
Thermal Solution Specification
PCG 2013C PCG 2015C (65W)
Max Memory Size
Max Memory Size (dependent on memory type)
32 GB 64 GB
Memory Types
Memory Types
DDR3-1333, DDR3L-1333 @ 1.5V DDR4-2666
ECC Memory Supported
ECC Memory Supported ‡
Yes No
Processor Graphics
Processor Graphics ‡
Intel® HD Graphics Intel® UHD Graphics 630
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.1 GHz 1.05 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
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
AES New Instructions
Intel® AES New Instructions
No Yes
PCI Express Revision
PCI Express Revision
Up to 3.0 3.0
PCI Express Configurations
PCI Express Configurations ‡
Up to 1x16, 2x8, 1x8+2x4 Up to 1x16 or 2x8 or 1x8+2x4

More specs » More specs »

The G3220 is a 2013 Haswell based CPU and is part of Intel's value range of Pentium processors which were launched in 2011. The Pentium-G range have very strong single and dual core performance but lag far behind the group leaders in terms of multi-core processing (MCP). MCP is important for tasks such as audio/video encoding, or software development. For regular PC use such as surfing the web, listening to music, watching movies and playing the vast majority of games, MCP is not required. The G3220 currently retails for one sixth of the price of a top of the range 4770K but has an effective speed of 75.3 which is just 12% lower than the average of the current group leaders. The vast majority of users will notice no difference even by paying five times more for one of the top end multi-core processors. [Mar '14 CPUPro]

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The i5-8400 is a competitively priced hex-core processor from Intel’s 8th generation of Core processors (Coffee Lake). Along with the release of the unlocked i5-8600K, this is the first time that six-core processors have featured in the i5 line-up. Like the other Coffee Lake processors, the i5-8400 is based upon an improved version of Intel’s 14nm architecture which featured in both Skylake and Kaby Lake. Early benchmarks reveal that for average quad core usage (most games employ a maximum of four cores) the i5-8400 performs way above its pay grade. It achieves quad core mixed speeds close to Intel’s outgoing 2017 flagship the $300, quad-core, 8 thread i7-7700k, which to date has been a strong favourite for high-end gaming setups. On paper, the i5-8400 has a base clock of 2.8 GHz (Intel are significantly downplaying the performance of this SKU by giving it a relatively low nominal base clock), an all core boost of 3.8 GHz (this is the effective base clock figure that counts) and a single core boost of 4 GHz. This compares reasonably well to the i5-8600K which has a base clock of 3.6 GHz, all core boost of 4.1 GHz and a single core boost of 4.3 GHz. The i5-8400 also features 9MB of L3 cache and an energy-thrifty TDP of 65W. Priced at under $190, the i5-8400 offers fantastic value for money. Unfortunately, like the other Coffee Lake processors, the i5-8400 will require a new 300 series motherboard, and at the time of writing, the only available version is Intel’s high-end Z370 which isn't an ideal pairing for the i5-8400. The Z series motherboards are designed to cater for the unlocked and overclockable "K" SKUs. Cheaper 300 series motherboards will be available in 2018 at which time the 8400 will offer even better value for money. [Oct '17 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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