文档介绍：Compare Intel® Products http://ark./compare/53675,53673
Compare Queue (2) Send Feedback Type Here to Search Products
Home
Compare Intel® Products Permalink | Export Results | Clear Queue
Highlight rows with differences
Remove Product Remove Product
Intel® Xeon® Intel® Xeon®
Processor E7-4820 Processor E7-2820
Product Name (18M Cache, (18M Cache,
GHz, GT/s GHz, GT/s
Intel® QPI) Intel® QPI)
Code Name Westmere EX Westmere EX
Essentials
Status Launched Launched
Launch Date Q2'11 Q2'11
Processor Number E7-4820 E7-2820
# of Cores 8 8
# of Threads 16 16
2012/6/19 20:29
Compare Intel® Products http://ark./compare/53675,53673
Clock Speed 2 GHz 2 GHz
Max Turbo
GHz GHz
Frequency
18 MB Intel® Smart 18 MB Intel® Smart
Cache
Cache Cache
Bus/Core Ratio 15 15
Bus Type QPI QPI
System Bus GT/s GT/s
Instruction Set 64-bit 64-bit
Instruction Set
Extensions
Embedded Options
No No
Available
Lithography 32 nm 32 nm
Scalability S4S 2S
Max TDP 105 W 105 W
mended
TRAY: $1446 TRAY: $1334
Customer Price
Datasheet Url Link Link
Memory Specifications
Max Memory Size 2048 GB 1024 GB
2012/6/19 20:29
Compare Intel® Products http://ark./compare/53675,53673
(dependent on
memory type)
DDR-3 800/978 DDR-3 800/978
Memory Types /1066/1333 (Max