CPUs

Intel Xeon E7-8830 vs Intel Xeon E5-2658 Full Specs

8 Cores
16 Threads
2.13GHz
8 Cores
16 Threads
2.1GHz
TDP
105W
TDP
95W
Bandwidth
42.7GB/s
DDR3
Bandwidth
51.2GB/s
DDR3
Socket
Socket

8 Cores
8 Cores
16 Threads
16 Threads

Base Clock
2.13GHz
Base Clock
2.1GHz
Boost Clock
2.33GHz
Boost Clock
2.4GHz
Overclocking
Locked
Overclocking
Locked

L1i
32KB
L1i
32KB
L1d
32KB
L1d
32KB
L2
256KB
L2
256KB
L3
24MB
L3
20MB

Type
DDR3
Type
DDR3
Max Memory
4.1TB
Max Memory
384GB
ECC
Yes
ECC
Yes
Channels
4
Channels
4
Bus Width
256-bit
Bus Width
256-bit
Speed
1333MT/s
Speed
1600MT/s
Bandwidth
42.7GB/s
Bandwidth
51.2GB/s
Bandwidth Calculator
Channels
Transfer Rate
··
42.7GB/s
Bandwidth Calculator
Channels
Transfer Rate
··
51.2GB/s

TDP
105W
TDP
95W
T-Case
64°C Max
T-Case
-
Voltage Range
-
Voltage Range
-

Bus Type
QPI
Bus Type
QPI
Bus Config
16-bit
Bus Config
16-bit
Bus Speed
6.4GT/s
Bus Speed
8GT/s
Bus Bandwidth
12.8GB/s
Bus Bandwidth
16GB/s

-
PCIe
PCIe 3.0 x40
39.4GB/sBandwidth

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
Xeon 2011 branding
Branding
Xeon 2011 branding
Codename
Westmere-EX
-
-
Codename
Sandy Bridge-E
Sandy Bridge-EP-8Die
Sandy Bridge-EP-8CVariant
Market Segment
Server
Market Segment
Server
Release Date
Apr 3, 2011
Release Date
Mar 6, 2012

Foundry
Intel
Foundry
Intel
Fabrication Node
32nm
Fabrication Node
32nm
Die Size
513mm²
Die Size
435mm²
Transistor Count
2.6 Billion
Transistor Count
2.3 Billion
Transistor Density
5 MTr/mm²
Transistor Density
5 MTr/mm²