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| Intel Xeon E5-2420 vs Core i7 3770 |
Released May, 2012
Intel Xeon E5-2420
- 1.9 GHz
- Hexa core
- Unlocked
Reasons to buy the Intel Xeon E5-2420
![]() | Is unlocked Yes | ![]() | Significantly more l2 cache 2 MB |
![]() | More l3 cache 15 MB | ![]() | Supports more CPUs in SMP configuration 2 |
VS
Released April, 2012
Intel Core i7 3770
- 3.4 GHz
- Quad core
Reasons to buy the Core i7 3770
![]() | Much higher clock speed 3.4 GHz | ![]() | Much higher turbo clock speed 3.9 GHz |
![]() | Has a built-in GPU Yes | ![]() | Significantly newer manufacturing process 22 nm |
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Differences What are the advantages of each
| |||||||
Is unlocked | Yes | vs | No | Somewhat common; An unlocked multiplier allows for easier overclocking | |||
---|---|---|---|---|---|---|---|
Significantly more l2 cache | 2 MB | vs | 1 MB | 2x more l2 cache; more data can be stored in the l2 cache for quick access later | |||
More l3 cache | 15 MB | vs | 8 MB | Around 90% more l3 cache; more data can be stored in the l3 cache for quick access later | |||
Supports more CPUs in SMP configuration | 2 | vs | 1 | Twice as many CPUs in SMP configuration | |||
More cores | 6 | vs | 4 | 2 more cores; run more applications at once | |||
Supports more RAM | 393,216 MB | vs | 32,768 MB | Supports 12x more RAM | |||
More threads | 12 | vs | 8 | 4 more threads | |||
More l3 cache per core | 2.5 MB/core | vs | 2 MB/core | 25% more l3 cache per core | |||
More l2 cache per core | 0.33 MB/core | vs | 0.25 MB/core | Around 35% more l2 cache per core | |||
| |||||||
Much higher clock speed | 3.4 GHz | vs | 1.9 GHz | Around 80% higher clock speed | |||
Much higher turbo clock speed | 3.9 GHz | vs | 2.4 GHz | Around 65% higher turbo clock speed | |||
Has a built-in GPU | Yes | vs | No | Somewhat common; A separate graphics adapter is not required | |||
Significantly newer manufacturing process | 22 nm | vs | 32 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
Much better performance per dollar | 2.33 pt/$ | vs | 1.26 pt/$ | More than 85% better performance per dollar | |||
Much better overclocked clock speed (Air) | 4.03 GHz | vs | 2.36 GHz | More than 70% better overclocked clock speed (Air) | |||
Significantly better PassMark (Single core) score | 2,072 | vs | 1,355 | Around 55% better PassMark (Single core) score | |||
Lower typical power consumption | 62.56W | vs | 77.19W | Around 20% lower typical power consumption | |||
Better performance per watt | 7.25 pt/W | vs | 5.47 pt/W | More than 30% better performance per watt | |||
Much better overclocked clock speed (Water) | 4.32 GHz | vs | 1.9 GHz | More than 2.2x better overclocked clock speed (Water) | |||
Lower annual home energy cost | 18.55 $/year | vs | 22.89 $/year | Around 20% lower annual home energy cost | |||
Lower annual commercial energy cost | 67.45 $/year | vs | 83.22 $/year | Around 20% lower annual commercial energy cost |
Benchmarks Real world tests of Xeon E5-2420 vs Core i7 3770
GeekBench 3 (Multi-core) Data courtesy Primate Labs
Xeon E5-2420
10,344
Core i7 3770
12,524
GeekBench 3 (Single core) Data courtesy Primate Labs
Xeon E5-2420
1,754
Core i7 3770
3,236
GeekBench 3 (AES single core) Data courtesy Primate Labs
Xeon E5-2420
985,150 MB/s
Core i7 3770
2,660,000 MB/s
GeekBench (32-bit) Data courtesy Primate Labs
Xeon E5-2420
9,662
Core i7 3770
12,495
GeekBench
Xeon E5-2420
9,662
Core i7 3770
16,134
PassMark Data courtesy Passmark
Xeon E5-2420
8,570
Core i7 3770
9,449
PassMark (Single Core)
Xeon E5-2420
1,355
Core i7 3770
2,072
Specifications Full list of technical specs
summary | Xeon E5-2420 | vs | Core i7 3770 |
---|---|---|---|
Clock speed | 1.9 GHz | 3.4 GHz | |
Turbo clock speed | 2.4 GHz | 3.9 GHz | |
Cores | Hexa core | Quad core | |
Is unlocked | Yes | No | |
features | |||
Has a NX bit | Yes | Yes | |
Supports trusted computing | Yes | Yes | |
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 | 95W | 77W | |
Annual home energy cost | 22.89 $/year | 18.55 $/year | |
Annual commercial energy cost | 83.22 $/year | 67.45 $/year | |
Performance per watt | 5.47 pt/W | 7.25 pt/W | |
Typical power consumption | 77.19W | 62.56W | |
bus | |||
Architecture | QPI | DMI | |
Number of links | 1 | 1 | |
Transfer rate | 7,200 MT/s | 5,000 MT/s |
details | Xeon E5-2420 | vs | Core i7 3770 |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 12 | 8 | |
L2 cache | 2 MB | 1 MB | |
L2 cache per core | 0.33 MB/core | 0.25 MB/core | |
L3 cache | 15 MB | 8 MB | |
L3 cache per core | 2.5 MB/core | 2 MB/core | |
Manufacture process | 32 nm | 22 nm | |
Max CPUs | 2 | 1 | |
overclocking | |||
Overclock popularity | 0 | 8 | |
Overclocked clock speed | 2.36 GHz | 4.03 GHz | |
Overclocked clock speed (Water) | 1.9 GHz | 4.32 GHz | |
Overclocked clock speed (Air) | 2.36 GHz | 4.03 GHz | |
integrated graphics | |||
GPU | None | GPU | |
Label | N/A | Intel® HD Graphics 4000 | |
Latest DirectX | N/A | 11.x | |
Number of displays supported | N/A | 3 | |
GPU clock speed | N/A | 650 MHz | |
Turbo clock speed | N/A | 1,150 MHz | |
3DMark06 | N/A | 5,339.9 | |
memory controller | |||
Memory controller | Built-in | Built-in | |
Memory type | |||
DDR3-1600 | |||
DDR3-1333 | |||
DDR3-1066 | |||
DDR3 | |||
DDR3-800 | |||
Channels | Triple Channel | Dual Channel | |
Supports ECC | Yes | No | |
Maximum bandwidth | 31,999.98 MB/s | 25,600 MB/s | |
Maximum memory size | 393,216 MB | 32,768 MB |
Intel Xeon E5-2420 ![]() | Intel Core i7 3770 ![]() |
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