CPU Comparison
AMD
AMD Phenom II X2 B57
CORE STATE
Callisto
CORE SPECS
2 Cores / 2 Threads
CLOCK SPEED
3.2 Base
CACHE
6 MB (shared)
MAX TDP
80W
ARCHITECTURE
K10
PROCESS
45 nm
LAUNCH DATE
2010
VS
INTEL
Core i7-940XM
CORE STATE
Clarksfield
CORE SPECS
4 Cores / 8 Threads
CLOCK SPEED
2.13 Base / 3.33 GHz Turbo
CACHE
8 MB (shared)
MAX TDP
55W
ARCHITECTURE
Nehalem
PROCESS
45 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
Phenom II X2 B57
i7-940XM
Core Specs
Cores
2
4
+100.0%
Threads
2
8
+300.0%
Base Clock (GHz)
3.2
2.13
-33.4%
Boost Clock (GHz)
—
3.33
Frequency (GHz)
3.2
2.13
-33.4%
Turbo Clock (GHz)
—
3.33
Multiplier
16
16
0.0%
SMP CPUs
1
1
0.0%
Cache
L1 Cache
128 KB (per core)
64 KB (per core)
L2 Cache
512 KB (per core)
256 KB (per core)
L3 Cache
6 MB (shared)
8 MB (shared)
Power
TDP (W)
80
55
-31.3%
Architecture
Architecture
K10
Nehalem
Codename
Callisto
Clarksfield
Generation
Phenom II X2
(Callisto)
Core i7 Extreme
(Clarksfield)
Process Size
45 nm
45 nm
Transistors
758 million
774 million
Die Size
258 mm²
296 mm²
Foundry
—
Intel
Memory
Memory Support
DDR2, DDR3
DDR3
Memory Bus
Dual-channel
Dual-channel
Memory Bandwidth
21.3 GB/s
21.3 GB/s
ECC Memory
Yes
No
Platform
Socket
AMD Socket AM3
Intel Socket G1
Chipsets
AMD 700 Series, AMD 800 Series, AMD 900 Series, nForce 630a, nForce 700a, nForce 900a
PM55, HM55, QM57, HM57
PCIe
Gen 2
Gen 2, 16 Lanes(CPU only)
Graphics
Integrated Graphics
On certain motherboards (Chipset feature)
None
Other
Market
Desktop
Mobile
Production Status
End-of-life
End-of-life
Launch Price
—
$1096
Part Number
HDXB57WFK2DGM
SLBSCQ4AP
Package
µPGA
µFC-PGA8
Tj Max
—
100°C
Bundled Cooler
—
None