NVIDIA · Kepler (derived from codename prefix) · 2012
GeForce GT 645M
GeForce GT 645M: 1 GB DDR3, 32 W, 384 CUDA cores. Launched October 2012.
- Memory
- 1 GB
- Power
- 32 W
- Bus width
- 128 bit
Memory1 GB
34 of 94 in GeForce GT
Power32 W
54 of 91 by higher draw in GeForce GT
CUDA cores384
1 of 104 in GeForce GT
Current market
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Specifications
Memory
- Capacity
- 1 GB
- Memory type
- DDR3
- Bus width
- 128 bit
- Bandwidth
- 28.8 GB/s
Compute
- CUDA cores
- 384
- TMUs
- 32
- ROPs
- 16
- Pixel fill rate
- 11.36 GP/s
- Texture fill rate
- 22.72 GT/s
Clocks
- Base clock
- 710 MHz
Board
- TDP
- 32 W
- Bus interface
- PCIe 3.0 x16
- Form factor
- mobile
Physical
- Architecture
- Kepler (derived from codename prefix)
- Codename
- GK107 (N13P-GS)
- Process
- 28 nm
- Series
- GeForce GT
- Launch date
- October 2012
Not recorded by the source: generation, transistors, die size and sm count, or 6 further fields.
Die figure
Silicon, made visible
Die area is drawn against the largest recorded die in the catalog. Shader dots use a labeled, card-specific ratio so both early and modern GPUs remain legible.
Catalog context
Within its series, the GeForce GT 645M ranks 34th of 94 for memory capacity. Its 32 W TDP is within the 75 W PCIe slot-power ceiling.
Source: Wikipedia, revision 1369488585 · catalog loaded 2026-08-16