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| Intel Core i7 4820K vs 3820 |
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Differences What are the advantages of each
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CPUBoss is not aware of any important advantages of the 4820K vs the 3820. | |||||||
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CPUBoss is not aware of any important advantages of the 3820 vs the 4820K. | |||||||
Benchmarks Real world tests of Core i7 4820K vs 3820
GeekBench 3 (Multi-core) Data courtesy Primate Labs
Core i7 4820K
13,311
Core i7 3820
12,538
GeekBench 3 (Single core) Data courtesy Primate Labs
Core i7 4820K
3,291
Core i7 3820
3,098
GeekBench 3 (AES single core) Data courtesy Primate Labs
Core i7 4820K
2,500,000 MB/s
Core i7 3820
2,500,000 MB/s
GeekBench (32-bit) Data courtesy Primate Labs
Core i7 4820K
13,645
Core i7 3820
12,550
GeekBench (64-bit) Data courtesy Primate Labs
Core i7 4820K
14,931
Core i7 3820
13,644
GeekBench
Core i7 4820K
14,931
Core i7 3820
15,655
PassMark Data courtesy Passmark
Core i7 4820K
9,740
Core i7 3820
8,998
PassMark (Single Core)
Core i7 4820K
2,009
Core i7 3820
1,943
Specifications Full list of technical specs
summary | Core i7 4820K | vs | 3820 |
---|---|---|---|
Clock speed | 3.7 GHz | 3.6 GHz | |
Turbo clock speed | 3.9 GHz | 3.8 GHz | |
Cores | Quad core | Quad core | |
Is unlocked | Yes | Yes | |
features | |||
Has a NX bit | Yes | Yes | |
Supports trusted computing | No | No | |
Has virtualization support | Yes | Yes | |
Instruction set extensions | |||
SSE2 | |||
MMX | |||
SSE4 | |||
AVX | |||
SSE3 | |||
SSE | |||
SSE4.1 | |||
SSE4.2 | |||
Supplemental SSE3 | |||
AES | |||
Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
TDP | 130W | 130W | |
Annual home energy cost | 31.32 $/year | 49.49 $/year | |
Annual commercial energy cost | 113.88 $/year | 138.93 $/year | |
Performance per watt | 8.43 pt/W | 6.18 pt/W | |
Typical power consumption | 105.63W | 139.6W | |
bus | |||
Architecture | DMI 2.0 | DMI 2.0 | |
Number of links | 1 | 1 | |
Transfer rate | 5,000 MT/s | 5,000 MT/s |
details | Core i7 4820K | vs | 3820 |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 8 | 8 | |
L2 cache | 1 MB | 1 MB | |
L2 cache per core | 0.25 MB/core | 0.25 MB/core | |
L3 cache | 10 MB | 10 MB | |
L3 cache per core | 2.5 MB/core | 2.5 MB/core | |
Manufacture process | 22 nm | 32 nm | |
Max CPUs | 1 | 1 | |
Operating temperature | Unknown - 66.8°C | Unknown - 66.8°C | |
overclocking | |||
Overclocked clock speed | 4.57 GHz | 4.68 GHz | |
Overclocked clock speed (Water) | 4.68 GHz | 4.71 GHz | |
PassMark (Overclocked) | 5,294.9 | 5,531.8 | |
Overclocked clock speed (Air) | 4.57 GHz | 4.68 GHz | |
integrated graphics | |||
GPU | None | None | |
Label | N/A | N/A | |
Latest DirectX | N/A | N/A | |
Number of displays supported | N/A | N/A | |
GPU clock speed | N/A | N/A | |
Turbo clock speed | N/A | N/A | |
3DMark06 | N/A | N/A | |
memory controller | |||
Memory controller | Built-in | Built-in | |
Memory type | |||
DDR3-1866 | |||
DDR3-1600 | |||
DDR3-1333 | |||
DDR3-1066 | |||
DDR3 | |||
Channels | Quad Channel | Quad Channel | |
Supports ECC | No | No | |
Maximum bandwidth | 59,733.32 MB/s | 51,200 MB/s | |
Maximum memory size | 65,536 MB | 65,771.52 MB |
Intel Core i7 4820K ![]() | Intel Core i7 3820 ![]() |
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