CPU Comparison
AMD
AMD Athlon II X2 255
CORE STATE
Regor
CORE SPECS
2 Cores / 2 Threads
CLOCK SPEED
3.1 Base
CACHE
โ
MAX TDP
65W
ARCHITECTURE
K10
PROCESS
45 nm
LAUNCH DATE
2010
VS
INTEL
Core i5-661
CORE STATE
Clarkdale
CORE SPECS
2 Cores / 4 Threads
CLOCK SPEED
3.33 Base / 3.6 GHz Turbo
CACHE
4 MB (shared)
MAX TDP
87W
ARCHITECTURE
Westmere
PROCESS
32 nm
LAUNCH DATE
2010
PERFORMANCE BENCHMARKS
cinebench_cinebench_r15_multicore
cinebench_cinebench_r20_multicore
cinebench_cinebench_r20_singlecore
cinebench_cinebench_r23_multicore
cinebench_cinebench_r23_singlecore
DETAILED SPECIFICATIONS
SPECIFICATION
Athlon II X2 255
i5-661
Core Specs
Cores
2
2
0.0%
Threads
2
4
+100.0%
Base Clock (GHz)
3.1
3.33
+7.4%
Boost Clock (GHz)
โ
3.6
Frequency (GHz)
3.1
3.33
+7.4%
Turbo Clock (GHz)
โ
3.6
Multiplier
15.5
25
+61.3%
SMP CPUs
1
1
0.0%
Cache
L1 Cache
128 KB
64 KB (per core)
L2 Cache
1 MB
256 KB (per core)
L3 Cache
โ
4 MB (shared)
Power
TDP (W)
65
87
+33.8%
Architecture
Architecture
K10
Westmere
Codename
Regor
Clarkdale
Generation
Athlon II X2
(Regor)
Core i5
(Clarkdale)
Process Size
45 nm
32 nm
Transistors
410 million
382 million
Die Size
117 mmยฒ
81 mmยฒ
Foundry
โ
Intel
Memory
Memory Support
DDR3
DDR3
Memory Bus
Dual-channel
Dual-channel
Memory Bandwidth
โ
21.3 GB/s
ECC Memory
No
No
Platform
Socket
AMD Socket AM3
Intel Socket 1156
Chipsets
โ
Intel H57, Intel H55, Intel P55
PCIe
Gen 2
Gen 2, 16 Lanes(CPU only)
Graphics
Integrated Graphics
On certain motherboards (Chipset feature)
Intel HD
Other
Market
Desktop
Desktop
Production Status
End-of-life
End-of-life
Launch Price
โ
$196
Part Number
ADX255OCK23GQ
SLBNESLBTB
Package
ยตPGA
FC-LGA10