NVIDIA GeForce GT 645 OEM: GPU Specs & Benchmarks
The GeForce GT 645 OEM is a graphics card by NVIDIA, built on the 40 nm process and based on the GF114 graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.
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Graphics Processor (GPU)
- GPU Name
- GF114
- Architecture
- Fermi 2.0
- Foundry
- TSMC
- Process Size
- 40 nm
- Transistors
- 1,950 million
- Die Size
- 332 mm²
Graphics Card
- Release Date
- Apr 24th, 2012
- Family
- GeForce 600
- Production
- End-of-life
- Predecessor
- GeForce 500
- Bus Interface
- PCIe 2.0 x16
Memory
- Memory Size
- 1024 MB
- Memory Type
- GDDR5
- Memory Bus
- 192 bit
- Bandwidth
- 91.87 GB/s
Performance
- Pixel fillrate
- 9.312 GPixel/s
- Texture fillrate
- 37.25 GTexel/s
- FP32 (float) performance
- 894.0 GFLOPS
- FP64 (double) performance
- 74.50 GFLOPS (1:12)
Clock Speeds
- Memory Clock
- 957 MHz
3.8 Gbps effective - GPU Clock
- 776 MHz
Render Config
- Shading Units
- 288
- TMUs
- 48
- ROPs
- 24
- L1 Cache
- 64 KB (per SM)
- L2 Cache
- 384 KB
- SM Count
- 6
Board Design
- Slot Width
- Dual-slot
- Length
- 210 mm
8.3 inches - Thermal design power (TDP)
- 102 W
- Suggested PSU
- 300 W
- Display Connectors
- 2x DVI
1x mini-HDMI
API support
- DirectX
- 12 (11_0)
- OpenGL
- 4.6
- OpenCL
- 1.1
- Vulkan
- N/A
- Shader Model
- 5.1
- CUDA
- 2.1
