Intel Core i7-3820 vs Intel Core i7-3940XM

目录

物理

插座 Intel Socket 2011 Intel Socket G2 (988B)
铸造厂 Intel Intel
工艺尺寸 32 nm 22 nm
晶体管 1,270 million 1,400 million
模具尺寸 294 mm² 160 mm²
FC-LGA10 FC-PGA12F
tCaseMax 67°C

性能

频率 3.6 GHz 3 GHz
涡轮时钟 up to 3.8 GHz up to 3.9 GHz
基本时钟 100 MHz 100 MHz
乘数 36.0x 30.0x
乘数解锁 Yes Yes
电压 1.35 V
TDP 130 W 55 W

建筑

市场 Desktop Mobile
生产状况 unknown End-of-life
发布日期 Feb 13th, 2012 Sep 3rd, 2012
代码名称 Sandy Bridge-E Ivy Bridge
Core i7 Core i7
部分 SR0LD SR0US
内存支持 DDR3 Quad-channel DDR3 Dual-channel
ECC内存 No No
PCI Express Gen 3

核心

核心数 4 4
线程数 8 8
SMP # CPU 1 1
集成显卡 Intel HD 4000

快取

缓存 L1 64K (per core) 64K (per core)
缓存 L2 256K (per core) 256K (per core)
缓存 L3 10MB (shared) 8MB (shared)

笔记

笔记 This processor comes with an partially unlocked BCLK multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. The maximum multiplier value is 45. This processor comes with an unlocked BCLK multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. It is branded under the Extreme Edition label. Intel HD 4000 frequency: 650-1300MHz

特征

AES-NI Yes Yes
AVX Yes Yes
EIST Yes Yes
HTT Yes Yes
Intel 64 Yes Yes
MMX Yes Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4.2 Yes Yes
SSSE3 Yes Yes
TXT Yes
VT-d Yes
VT-x Yes Yes
XD bit Yes Yes

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