CPU Comparison
AMD
AMD Opteron 6276
CORE STATE
Interlagos
CORE SPECS
16 Cores / 16 Threads
CLOCK SPEED
2.3 Base / 3.2 GHz Turbo
CACHE
8 MB (per die)
MAX TDP
115W
ARCHITECTURE
Bulldozer
PROCESS
32 nm
LAUNCH DATE
2011
VS
INTEL
Core i7-3820
CORE STATE
Sandy Bridge-E
CORE SPECS
4 Cores / 8 Threads
CLOCK SPEED
3.6 Base / 3.8 GHz Turbo
CACHE
10 MB (shared)
MAX TDP
130W
ARCHITECTURE
Sandy Bridge
PROCESS
32 nm
LAUNCH DATE
2012
PERFORMANCE BENCHMARKS
cinebench_cinebench_r15_multicore
cinebench_cinebench_r15_singlecore
cinebench_cinebench_r20_multicore
cinebench_cinebench_r20_singlecore
cinebench_cinebench_r23_multicore
cinebench_cinebench_r23_singlecore
DETAILED SPECIFICATIONS
SPECIFICATION
Opteron 6276
i7-3820
Core Specs
Cores
16
4
-75.0%
Threads
16
8
-50.0%
Base Clock (GHz)
2.3
3.6
+56.5%
Boost Clock (GHz)
3.2
3.8
+18.7%
Frequency (GHz)
2.3
3.6
+56.5%
Turbo Clock (GHz)
3.2
3.8
+18.7%
Multiplier
11.5
36
+213.0%
SMP CPUs
4
1
-75.0%
Cache
L1 Cache
768 KB
64 KB (per core)
L2 Cache
2 MB (per module)
256 KB (per core)
L3 Cache
8 MB (per die)
10 MB (shared)
Power
TDP (W)
115
130
+13.0%
ACP
80 W
—
Architecture
Architecture
Bulldozer
Sandy Bridge
Codename
Interlagos
Sandy Bridge-E
Generation
Opteron
(Interlagos)
Core i7
(Sandy Bridge-E)
Process Size
32 nm
32 nm
Transistors
2,400 million
1,270 million
Die Size
2x 315 mm²
294 mm²
Foundry
GlobalFoundries
Intel
Memory
Memory Support
DDR3
DDR3
Memory Bus
Quad-channel
Quad-channel
Memory Bandwidth
51.2 GB/s
51.2 GB/s
ECC Memory
Yes
No
Platform
Socket
AMD Socket G34
Intel Socket 2011
Chipsets
AMD SR5650, SR5670, SR5690
—
PCIe
Gen 2
Gen 2, 40 Lanes(CPU only)
Interconnect
HyperTransport Links
4x 16-bit
—
Other
Market
Server/Workstation
Desktop
Production Status
End-of-life
End-of-life
Launch Price
$788
$305
Part Number
OS6276WKTGGGU
SR0LD
Package
FCLGA-1944
FC-LGA10