NVIDIA GeForce GT 645M: GPU Specs & Benchmarks
The GeForce GT 645M is a graphics card by NVIDIA, built on the 28 nm process and based on the GK107 graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.
Recommended Gaming Resolutions 640x480 1280x720 1366x768 1600x900 1920x1080 2560x1440 3840x2160
Benchmarks
- PassMark G3D
- 958
- PassMark G2D
- 175
- 3DMark Time Spy
- 396
- 3DMark Fire Strike
- 1271
- 3DMark Fire Strike Extreme
- 670
- 3DMark Fire Strike Ultra
- 238
- 3DMark Night Raid
- 4559
Graphics Processor (GPU)
- GPU Name
- GK107
- Model number
- N13P-GS
- Architecture
- Kepler
- Foundry
- TSMC
- Process Size
- 28 nm
- Transistors
- 1,270 million
- Die Size
- 118 mm²
Graphics Card
- Release Date
- Oct 1st, 2012
- Family
- GeForce 600M
- Production
- End-of-life
- Predecessor
- GeForce 500M
- Bus Interface
- PCIe 3.0 x16
Memory
- Memory Size
- 2 GB
- Memory Type
- DDR3
- Memory Bus
- 128 bit
- Bandwidth
- 28.80 GB/s
Performance
- Pixel fillrate
- 5.672 GPixel/s
- Texture fillrate
- 22.69 GTexel/s
- FP32 (float) performance
- 544.5 GFLOPS
- FP64 (double) performance
- 22.69 GFLOPS (1:24)
Clock Speeds
- Memory Clock
- 900 MHz
1800 Mbps effective - GPU Clock
- 709 MHz
Render Config
- Shading Units
- 384
- TMUs
- 32
- ROPs
- 16
- L1 Cache
- 16 KB (per SMX)
- L2 Cache
- 256 KB
Board Design
- Thermal design power (TDP)
- 32 W
- Display Connectors
- No outputs
API support
- DirectX
- 12 (11_0)
- OpenGL
- 4.6
- OpenCL
- 3.0
- Vulkan
- 1.1
- Shader Model
- 5.1
- CUDA
- 3.0
