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February 2011 |
"Bloomfield" (45 nm)
- Based on Nehalem microarchitecture.
- All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x, Hyper-threading, Turbo Boost, Smart Cache.
- FSB has been replaced with QPI.
- Transistors: 731 million
- Die size: 263 mm²
- Steppings: C0, D0
| Model Number |
Frequency |
Turbo |
Cores |
L2 Cache |
L3 Cache |
Mult |
Uncore Speed |
Memory |
Voltage |
TDP |
Socket |
Release Date |
| Core i7-920 |
2.67 GHz |
1/1/1/2 |
4 |
4 × 256 KB |
8 MB |
20× |
2133 MHz |
3 × DDR3-1066 |
0.8–1.375 V |
130 W |
LGA 1366 |
November 17, 2008 |
| Core i7-930 |
2.8 GHz |
1/1/1/2 |
4 |
4 × 256 KB |
8 MB |
21× |
2133 MHz |
3 × DDR3-1066 |
0.8–1.375 V |
130 W |
LGA 1366 |
February 28, 2010 |
| Core i7-940 |
2.93 GHz |
1/1/1/2 |
4 |
4 × 256 KB |
8 MB |
22× |
2133 MHz |
3 × DDR3-1066 |
0.8–1.375 V |
130 W |
LGA 1366 |
November 17, 2008 |
| Core i7-950 |
3.07 GHz |
1/1/1/2 |
4 |
4 × 256 KB |
8 MB |
23× |
2133 MHz |
3 × DDR3-1066 |
0.8–1.375 V |
130 W |
LGA 1366 |
May 31, 2009 |
| Core i7-960 |
3.2 GHz |
1/1/1/2 |
4 |
4 × 256 KB |
8 MB |
24× |
2133 MHz |
3 × DDR3-1066 |
0.8–1.375 V |
130 W |
LGA 1366 |
October 20, 2009 |
Core i7-965
Extreme Edition |
3.2 GHz |
1/1/1/2 |
4 |
4 × 256 KB |
8 MB |
24× |
2667 MHz |
3 × DDR3-1066 |
0.8–1.375 V |
130 W |
LGA 1366 |
November 17, 2008 |
Core i7-975
Extreme Edition |
3.33 GHz |
1/1/1/2 |
4 |
4 × 256 KB |
8 MB |
25× |
2667 MHz |
3 × DDR3-1066 |
0.8–1.375 V |
130 W |
LGA 1366 |
May 31, 2009 |
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February 2011 |
"Lynnfield" (45 nm)
- Based on Nehalem microarchitecture.
- All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), TXT, Intel VT-x, Intel VT-d, Hyper-threading, Turbo Boost, Smart Cache.
- Core i7-875K does not support Intel TXT and Intel VT-d.[1]
- Core i7-875K features an unlocked multiplier.
- FSB has been replaced with DMI.
- Transistors: 774 million
- Die size: 296 mm²
- Stepping: B1
| Model Number |
Frequency |
Turbo |
Cores |
L2 Cache |
L3 Cache |
Mult |
Uncore Speed |
Memory |
Voltage |
TDP |
Socket |
Release Date |
| Core i7-860 |
2.8 GHz |
1/1/4/5 |
4 |
4 × 256 KB |
8 MB |
21× |
2400 MHz |
2 × DDR3-1333 |
0.65–1.4 V |
95 W |
LGA 1156 |
September 8, 2009 |
| Core i7-860S |
2.53 GHz |
0/0/6/7 |
4 |
4 × 256 KB |
8 MB |
19× |
|
2 × DDR3-1333 |
0.65–1.4 V |
82 W |
LGA 1156 |
January 7, 2010 |
| Core i7-870 |
2.93 GHz |
2/2/4/5 |
4 |
4 × 256 KB |
8 MB |
22× |
2400 MHz |
2 × DDR3-1333 |
0.65–1.4 V |
95 W |
LGA 1156 |
September 8, 2009 |
| Core i7-870S |
2.67 GHz |
0/0/6/7 |
4 |
4 × 256 KB |
8 MB |
20× |
|
2 × DDR3-1333 |
0.65–1.4 V |
82 W |
LGA 1156 |
July 19, 2010 |
| Core i7-875K |
2.93 GHz |
2/2/4/5 |
4 |
4 × 256 KB |
8 MB |
22× |
2400 MHz |
2 × DDR3-1333 |
0.65–1.4 V |
95 W |
LGA 1156 |
May 30, 2010 |
| Core i7-880 |
3.07 GHz |
2/2/4/5 |
4 |
4 × 256 KB |
8 MB |
23× |
2400 MHz |
2 × DDR3-1333 |
0.65–1.4 V |
95 W |
LGA 1156 |
May 30, 2010 |
Click here to return
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February 2011 |
"Lynnfield" (45 nm)
- Based on Nehalem microarchitecture.
- All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x, Turbo Boost, Smart Cache
- FSB has been replaced with DMI.
- Transistors: 774 million
- Die size: 296 mm²
- Stepping: B1
| Model Number |
Frequency |
Turbo |
Cores |
L2 Cache |
L3 Cache |
Mult |
Uncore Speed |
Memory |
Voltage |
TDP |
Socket |
Release Date |
| Core i5-750 |
2.67 GHz |
1/1/4/4 |
4 |
4 × 256 KB |
8 MB |
20× |
2133 MHz |
2 × DDR3-1333 |
0.65–1.4 V |
95 W |
LGA 1156 |
September 8, 2009 |
| Core i5-750S |
2.4 GHz |
0/0/6/6 |
4 |
4 × 256 KB |
8 MB |
18× |
|
2 × DDR3-1333 |
0.65–1.4 V |
82 W |
LGA 1156 |
January 7, 2010 |
| Core i5-760 |
2.8 GHz |
1/1/4/4 |
4 |
4 × 256 KB |
8 MB |
21× |
|
2 × DDR3-1333 |
0.65–1.4 V |
95 W |
LGA 1156 |
July 18, 2010 |
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February 2011 |
"Clarkdale" (32 nm)
- Based on Westmere microarchitecture.
- All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Enhanced Intel SpeedStep Technology (EIST),
Intel 64, XD bit (an NX bit implementation), TXT, Intel VT-x, Intel VT-d, Hyper-Threading, Turbo Boost, AES-NI,
Smart Cache.
- Core i5-655K, Core i5-661 does not support Intel TXT and Intel VT-d.
- Core i5-655K features an unlocked multiplier.
- FSB has been replaced with DMI.
- Transistors: 382 million
- Die size: 81 mm²
- Transistors: 177 million
- Graphics and Integrated Memory Controller die size: 114 mm²
- Stepping: C2, K0
| Model Number |
Frequency |
Turbo |
GPU Frequency |
Cores |
L2 Cache |
L3 Cache |
Mult |
Uncore Speed |
Memory |
Voltage |
TDP |
Socket |
Release Date |
| Core i5-650 |
3.2 GHz |
1/2[Note 1] |
733 MHz |
2 |
2 × 256 KB |
4 MB |
24× |
2400 MHz |
2 × DDR3-1333 |
0.65–1.4 V |
73 W |
LGA 1156 |
January 7, 2010 |
| Core i5-655K |
3.2 GHz |
1/2 |
733 MHz |
2 |
2 × 256 KB |
4 MB |
24× |
2400 MHz |
2 × DDR3-1333 |
0.65–1.4 V |
73 W |
LGA 1156 |
May 30, 2010 |
| Core i5-660 |
3.33 GHz |
1/2 |
733 MHz |
2 |
2 × 256 KB |
4 MB |
25× |
2400 MHz |
2 × DDR3-1333 |
0.65–1.4 V |
73 W |
LGA 1156 |
January 7, 2010 |
| Core i5-661 |
3.33 GHz |
1/2 |
900 MHz |
2 |
2 × 256 KB |
4 MB |
25× |
2400 MHz |
2 × DDR3-1333 |
0.65–1.4 V |
87 W |
LGA 1156 |
January 7, 2010 |
| Core i5-670 |
3.47 GHz |
1/2 |
733 MHz |
2 |
2 × 256 KB |
4 MB |
26× |
2400 MHz |
2 × DDR3-1333 |
0.65–1.4 V |
73 W |
LGA 1156 |
January 7, 2010 |
| Core i5-680 |
3.6 GHz |
1/2 |
733 MHz |
2 |
2 × 256 KB |
4 MB |
27× |
2400 MHz |
2 × DDR3-1333 |
0.65–1.4 V |
73 W |
LGA 1156 |
April 18, 2010 |
Click here to return
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February 2011 |
"Clarkdale" (32 nm)
- Based on Westmere microarchitecture.
- All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Enhanced Intel SpeedStep
Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x, Hyper-Threading, Smart Cache.
- FSB has been replaced with DMI.
- Transistors: 382 million
- Die size: 81 mm²
- Transistors: 177 million
- Graphics and Integrated Memory Controller die size: 114 mm²
- Stepping: C2, K0
| Model Number |
Frequency |
Turbo |
GPU Frequency |
Cores |
L2 Cache |
L3 Cache |
Mult |
Uncore Speed |
Memory |
Voltage |
TDP |
Socket |
Release Date |
| Core i3-530 |
2.93 GHz |
N/A |
733 MHz |
2 |
2 × 256 KB |
4 MB |
22× |
2133 MHz |
2 × DDR3-1333 |
0.65–1.4 V |
73 W |
LGA 1156 |
January 7, 2010 |
| Core i3-540 |
3.07 GHz |
N/A |
733 MHz |
2 |
2 × 256 KB |
4 MB |
23× |
2133 MHz |
2 × DDR3-1333 |
0.65–1.4 V |
73 W |
LGA 1156 |
January 7, 2010 |
| Core i3-550 |
3.2 GHz |
N/A |
733 MHz |
2 |
2 × 256 KB |
4 MB |
24× |
2133 MHz |
2 × DDR3-1333 |
0.65–1.4 V |
73 W |
LGA 1156 |
May 30, 2010 |
| Core i3-560 |
3.33 GHz |
N/A |
733 MHz |
2 |
2 × 256 KB |
4 MB |
25× |
2133 MHz |
2 × DDR3-1333 |
0.65–1.4 V |
73 W |
LGA 1156 |
August 29, 2010 |
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