NVIDIA GeForce GT 640 OEM Rebrand: GPU Specs & Benchmarks
The GeForce GT 640 OEM Rebrand is a graphics card by NVIDIA, built on the 40 nm process and based on the GF116 graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.
Recommended Gaming Resolutions 640x480 1280x720 1366x768 1600x900 1920x1080 2560x1440 3840x2160
Graphics Processor (GPU)
- GPU Name
- GF116
- Model number
- GF116-150-A1
- Architecture
- Fermi 2.0
- Foundry
- TSMC
- Process Size
- 40 nm
- Transistors
- 1,170 million
- Die Size
- 238 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
- 1536 MB
- Memory Type
- DDR3
- Memory Bus
- 192 bit
- Bandwidth
- 38.40 GB/s
Performance
- Pixel fillrate
- 4.320 GPixel/s
- Texture fillrate
- 17.28 GTexel/s
- FP32 (float) performance
- 414.7 GFLOPS
- FP64 (double) performance
- 34.56 GFLOPS (1:12)
Clock Speeds
- Memory Clock
- 800 MHz
1600 Mbps effective - GPU Clock
- 720 MHz
Render Config
- Shading Units
- 144
- TMUs
- 24
- ROPs
- 24
- L1 Cache
- 64 KB (per SM)
- L2 Cache
- 384 KB
- SM Count
- 3
Board Design
- Slot Width
- Single-slot
- Length
- 145 mm
5.7 inches - Thermal design power (TDP)
- 75 W
- Suggested PSU
- 250 W
- Display Connectors
- 2x DVI
1x mini-HDMI - Power Connectors
- None
- Board Number
- P1062
API support
- DirectX
- 12 (11_0)
- OpenGL
- 4.6
- OpenCL
- 1.1
- Vulkan
- N/A
- Shader Model
- 5.1
- CUDA
- 2.1
