AMD Athlon II X4 645 specifications
|Type||CPU / Microprocessor|
|Family||AMD Athlon II X4|
|Model number ? ||645|
|CPU part numbers|
- ADX645WFK42GM is an OEM/tray microprocessor
- ADX645WFGMBOX is a boxed microprocessor
|Stepping codes||AADHC AD NADHC AD|
|Frequency ? ||3100 MHz|
|Bus speed ? ||667 MHz Memory controller|
One 2000 MHz 16-bit HyperTransport link
|Clock multiplier ? ||15.5|
|Package||938-pin organic micro-PGA|
|Weight||1.4oz / 39.5g (CPU)|
12.7oz / 358.7g (box)
|Introduction date||Sep 21, 2010|
|Price at introduction||$122|
|Architecture / Microarchitecture|
|Processor core ? ||Propus|
|Core stepping ? ||BL-C3|
|Manufacturing process||0.045 micron SOI|
|Data width||64 bit|
|The number of cores||4|
|The number of threads||4|
|Floating Point Unit||Integrated|
|Level 1 cache size ? ||4 x 64 KB instruction caches|
4 x 64 KB data caches
|Level 2 cache size ? ||4 x 512 KB caches|
|Level 3 cache size||None|
|Cache latency||3 (L1 cache)|
15 (L2 cache)
- MMX instructions
- 3DNow! technology
- SSE / Streaming SIMD Extensions
- SSE2 / Streaming SIMD Extensions 2
- SSE3 / Streaming SIMD Extensions 3
- SSE4a ?
- ABM / Advanced Bit Manipulation ?
- AMD64 / AMD 64-bit technology ?
- AMD-V / AMD Virtualization technology
- EVP / Enhanced Virus Protection ?
|Low power features|
- Cool'n'Quiet 3.0
- CoolCore Technology ?
- Dual Dynamic Power Management ?
- Core C1 and C1E states
- Package S0, S1, S3, S4 and S5 states
|Integrated peripherals / components|
- The number of controllers: 1
Memory channels: 2
Channel width (bits): 72
Supported memory: DDR2-1066, DDR3-1333
DIMMs per channel: up to 2
Maximum memory bandwidth (GB/s): 21.3
|Other peripherals||HyperTransport 3 technology|
|Electrical / Thermal parameters|
|V core ? ||1.05V - 1.4V|
|Maximum operating temperature ? ||71°C|
|Thermal Design Power ? ||95 Watt|
Detailed side-by-side comparison
Historical price chart
The chart below shows official prices of AMD Athlon II X4 640, 641, 645 and 651 processors:
Q: Can I upgrade my AMD Athlon II X4 645 CPU?
A: Probably yes. Processor compatibility is determined by your motherboard. Please see CPU-Upgrade.com resource for CPU support list for your board.
Athlon II X4 645 Overclocking
Sorry, overclocking information is not available at this time.
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