NVIDIA · Kepler
NVIDIA GeForce GTX 645 OEM: specs, benchmarks and comparison
- 1 GB GDDR5
- 65 W
- Release
- April 22, 2013
Performance
Rank among models tested in the same benchmark on the same render backend.
Blender Benchmark 2.82
GPU, bmw27 (CUDA)
849.46 s
lower is better
Median of 2 runs · small sample · Blender Open Data (Blender Foundation) · November 14, 2026
Blender Benchmark 2.82
GPU, classroom (CUDA)
3,230.05 s
lower is better
Median of 1 runs · small sample · Blender Open Data (Blender Foundation) · November 14, 2026
Blender Benchmark 4.5.0
GPU, sum of scenes monster + junkshop + classroom (CUDA)
50 samples/min
higher is better
Median of 1 runs · small sample · Blender Open Data (Blender Foundation) · November 14, 2026
Other benchmark versions (1)
| Benchmark | Result | Rank |
|---|---|---|
| Blender Benchmark 3.1.0 | 32 samples/min · small sample | — |
Each benchmark version has its own scale; results from different versions are not compared.
Specifications
Reference values for the chip. Clocks, length and connectors depend on the card model.
Chip
- GPU chip
- GK106-200-A1
- Architecture
- Kepler
- Shader units
- 576 (CUDA cores)
Clocks
- Base clock
- 824 MHz
Memory
- Video memory
- 1 GB
- Memory type
- GDDR5
- Memory bus
- 128 bit
- Memory bandwidth
- 64 GB/s
Power and dimensions
- Board power
- 65 W (TDP)
- Interface
- PCIe 3.0 x16
Specifications: Wikipedia (English), checked November 14, 2026. Release date: Wikipedia (CC BY-SA 4.0).
Will it fit your system
Checks the power supply, case length and PCIe slot.
- Needs checkingPower supply. The manufacturer did not list a recommended PSU wattage (or it is not in the database).
- Needs checkingCard length and case. Length depends on the specific partner model (ASUS, MSI, Palit and others), so pick the exact SKU.
- Needs checkingPCIe interface. Enter the PCIe version of the motherboard slot.