CPU Comparison
AMD
AMD Opteron 856
CORE STATE
Athens
CORE SPECS
1 Cores / 1 Threads
CLOCK SPEED
3 Base
CACHE
โ
MAX TDP
92W
ARCHITECTURE
K8
PROCESS
90 nm
LAUNCH DATE
2006
VS
INTEL
Core i7-720QM
CORE STATE
Clarksfield
CORE SPECS
4 Cores / 8 Threads
CLOCK SPEED
1600 Base / 2.8 GHz Turbo
CACHE
6 MB (shared)
MAX TDP
45W
ARCHITECTURE
Nehalem
PROCESS
45 nm
LAUNCH DATE
2009
PERFORMANCE BENCHMARKS
cinebench_cinebench_r15_multicore
cinebench_cinebench_r20_multicore
cinebench_cinebench_r20_singlecore
cinebench_cinebench_r23_multicore
cinebench_cinebench_r23_singlecore
geekbench_multicore
geekbench_singlecore
DETAILED SPECIFICATIONS
SPECIFICATION
Opteron 856
i7-720QM
Core Specs
Cores
1
4
+300.0%
Threads
1
8
+700.0%
Base Clock (GHz)
3
1,600
+53233.3%
Boost Clock (GHz)
โ
2.8
Frequency (GHz)
3
1,600
+53233.3%
Turbo Clock (GHz)
โ
2.8
Multiplier
15
12
-20.0%
SMP CPUs
8
1
-87.5%
Cache
L1 Cache
128 KB
64 KB (per core)
L2 Cache
1 MB
256 KB (per core)
L3 Cache
โ
6 MB (shared)
Power
TDP (W)
92
45
-51.1%
Architecture
Architecture
K8
Nehalem
Codename
Athens
Clarksfield
Generation
Opteron
(Athens (E4))
Core i7
(Clarksfield)
Process Size
90 nm
45 nm
Transistors
106 million
774 million
Die Size
โ
296 mmยฒ
Foundry
โ
Intel
Memory
Memory Support
โ
DDR3
Memory Bus
Dual-channel
Dual-channel
Memory Bandwidth
โ
21.3 GB/s
ECC Memory
No
No
Platform
Socket
AMD Socket 940
Intel Socket G1
Chipsets
โ
PM55, HM55, QM57, HM57
PCIe
Gen 2
Gen 2, 16 Lanes(CPU only)
Graphics
Integrated Graphics
โ
None
Other
Market
Server/Workstation
Mobile
Production Status
End-of-life
End-of-life
Launch Price
โ
$364
Part Number
OSA856FAA5BM
SLBLYQ3BA
Package
ยตPGA
ยตFC-PGA8
Tj Max
โ
100ยฐC
Bundled Cooler
โ
None