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Intel Core i7 950 & 975 Extreme Edition Review

Date: 2009-6-4

[Abstract]
   A Small Step ForwardThe past few months have seen AMD restore some semblance of competition in the mainstream and even performance enthusiast CPU segments. The Phenom II has undoubtedly been a ...

[Content] PCDigitalMobileGame

With the addition of these new Core i7 processors, we have updated our summary of all current quad-core processors that are available in the market. This may also be the last time that we'll be seeing the Core i7-965 Extreme Edition and the i7-940.

Existing Quad-Core Processors
Processor Name Core i7 AMD Phenom II X4 (AM3) AMD Phenom II X4 (AM2+) Core 2Quad (45nm)
Processor Model i7-975Extreme Edition, i7-965 Extreme Edition, i7-950, i7-940, i7-920 955'Black Edition', 945, 910, 810, 805 940'Black Edition', 920 QX9775,Q9650, Q9550, Q9400, Q9300
Processor Frequency 3.3GHz,3.2GHz, 3.06GHz, 2.93GHz, 2.66GHz 3.2GHz,3.0GHz, 2.6GHz, 2.6GHz, 2.5GHz 3.0GHz,2.8GHz 2.5GHz- 3.2GHz
No. of Cores 4 4 4 4
Front Side Bus (MHz) - - - 1333
HyperTransport Bus /QuickPath Interconnect 6.4GT/secfor i7-975 XE, i7-965 XE, 4.8GT/sec for i7-950, i7-940, i7-920 2.0GHz 1.8GHz -
L1 Cache (data +instruction) (32KB+ 32KB) x 4 (64KB+ 64KB) x 4 (64KB+ 64KB) x 4 (32KB+ 32KB) x 4
L2 Cache 256KBx 4 512KBx 4 512KBx 4 6MB x2, 3MB x 2 (Q9300 & Q9400 only)
L3 Cache 8MB 6MBfor 900 series4MB for 800 series 6MB -
Memory Controller IntegratedTriple Channel (up to DDR3-1066) IntegratedDual Channel (up to DDR2-1066 or DDR3-1333) IntegratedDual Channel (up to DDR2-1066) External- Chipset Dependent
TDP (W) 130W 125Wfor 900 series95W for 800 series 125W 125Wfor QX977595W for all others
Instruction Set Support MMX,SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2 MMX,SSE, SSE2, SSE3, SSE4a MMX,SSE, SSE2, SSE3, SSE4a MMX,SSE, SSE2, SSE3, SSSE3, SSSE4.1
Execute Disable Bit Yes Yes Yes Yes
Intel EM64T / AMD64 Yes Yes Yes Yes
Enhanced Intel SpeedStepTechnology (EIST) / AMD Cool 'n' Quiet Yes Yes Yes Yes
Virtualization Technology Yes(Enhanced) Yes Yes Yes(Enhanced)
Packaging LGA1366 AM3 AM2+ LGA775
Process Technology 45nm 45nmSOI 45nmSOI 45nm
Processor Codename Bloomfield Deneb Deneb Yorkfield
Die Size 263mm² 258mm² 258mm² 214mm²
No. of Transistors 731million 758million 758million 820million




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