GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
NVIDIA GeForce GT 640
NVIDIA GeForce GT 640
Technical Specifications
| Specification | NVIDIA GeForce GT 640 | NVIDIA GeForce GT 640 |
|---|---|---|
| Graphics Processor | GK107 | GK107 |
| Cores | 384 | 384 |
| TMUs | 32 | 32 |
| ROPs | 16 | 16 |
| Memory Size | 2 GB | 2 GB |
| Memory Type | DDR3 | DDR3 |
| Bus Width | 128 bit | 128 bit |
Graphics Processor
| Feature | NVIDIA GeForce GT 640 | NVIDIA GeForce GT 640 |
|---|---|---|
| GPU Name | GK107 | GK107 |
| GPU Variant | GK107-300-A2 | GK107-300-A2 |
| Architecture | Kepler | Kepler |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| Transistors | 1,270 million | 1,270 million |
| Density | 10.8M / mm² | 10.8M / mm² |
| Die Size | 118 mm² | 118 mm² |
| Chip Package | BGA-908 | BGA-908 |
Graphics Card
| Feature | NVIDIA GeForce GT 640 | NVIDIA GeForce GT 640 |
|---|---|---|
| Release Date | Jun 5th, 2012 | Jun 5th, 2012 |
| Generation | GeForce 600 | GeForce 600 |
| Predecessor | GeForce 500 | GeForce 500 |
| Successor | GeForce 700 | GeForce 700 |
| Production | End-of-life | End-of-life |
| Launch Price | 99 USD | 99 USD |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Reviews | 8 in our database | 8 in our database |
Clock Speeds
| Feature | NVIDIA GeForce GT 640 | NVIDIA GeForce GT 640 |
|---|---|---|
| GPU Clock | 902 MHz | 902 MHz |
| Memory Clock | 891 MHz1782 Mbps effective | 891 MHz1782 Mbps effective |
Memory
| Feature | NVIDIA GeForce GT 640 | NVIDIA GeForce GT 640 |
|---|---|---|
| Memory Size | 2 GB | 2 GB |
| Memory Type | DDR3 | DDR3 |
| Memory Bus | 128 bit | 128 bit |
| Bandwidth | 28.51 GB/s | 28.51 GB/s |
Render Config
| Feature | NVIDIA GeForce GT 640 | NVIDIA GeForce GT 640 |
|---|---|---|
| Shading Units | 384 | 384 |
| TMUs | 32 | 32 |
| ROPs | 16 | 16 |
| SMX Count | 2 | 2 |
| L1 Cache | 16 KB (per SMX) | 16 KB (per SMX) |
| L2 Cache | 256 KB | 256 KB |
Theoretical Performance
| Feature | NVIDIA GeForce GT 640 | NVIDIA GeForce GT 640 |
|---|---|---|
| Pixel Rate | 7.216 GPixel/s | 7.216 GPixel/s |
| Texture Rate | 28.86 GTexel/s | 28.86 GTexel/s |
| FP32 (float) | 692.7 GFLOPS | 692.7 GFLOPS |
| FP64 (double) | 28.86 GFLOPS (1:24) | 28.86 GFLOPS (1:24) |
Board Design
| Feature | NVIDIA GeForce GT 640 | NVIDIA GeForce GT 640 |
|---|---|---|
| Slot Width | Single-slot | Single-slot |
| Length | 145 mm5.7 inches | 145 mm5.7 inches |
| TDP | 65 W | 65 W |
| Suggested PSU | 250 W | 250 W |
| Outputs | 1x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 1x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power Connectors | None | None |
| Board Number | P2011 SKU 0 | P2011 SKU 0 |
Graphics Features
| Feature | NVIDIA GeForce GT 640 | NVIDIA GeForce GT 640 |
|---|---|---|
| DirectX | 12 (11_0) | 12 (11_0) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.2.175 | 1.2.175 |
| CUDA | 3.0 | 3.0 |
| Shader Model | 6.5 (5.1) | 6.5 (5.1) |
Comparison Summary
More Comparisons with NVIDIA GeForce GT 640
Compare NVIDIA GeForce GT 640 with other GPUs of similar performance
NVIDIA GeForce GT 640 vs Radeon HD 4770
Radeon HD 4770 is 19% faster than NVIDIA GeForce GT 640
NVIDIA GeForce GT 640 vs Radeon HD 4830
Radeon HD 4830 is 11% faster than NVIDIA GeForce GT 640
NVIDIA GeForce GT 640 vs Radeon HD 6670
Radeon HD 6670 is 8% faster than NVIDIA GeForce GT 640
NVIDIA GeForce GT 640 vs GeForce 9800 GT
GeForce 9800 GT is 3% faster than NVIDIA GeForce GT 640
NVIDIA GeForce GT 640 vs GeForce GT 640
GeForce GT 640 is 0% slower than NVIDIA GeForce GT 640
NVIDIA GeForce GT 640 vs Radeon HD 5670
Radeon HD 5670 is 7% slower than NVIDIA GeForce GT 640
More Comparisons with NVIDIA GeForce GT 640
Compare NVIDIA GeForce GT 640 with other GPUs of similar performance
NVIDIA GeForce GT 640 vs Radeon HD 4770
Radeon HD 4770 is 19% faster than NVIDIA GeForce GT 640
NVIDIA GeForce GT 640 vs Radeon HD 4830
Radeon HD 4830 is 11% faster than NVIDIA GeForce GT 640
NVIDIA GeForce GT 640 vs Radeon HD 6670
Radeon HD 6670 is 8% faster than NVIDIA GeForce GT 640
NVIDIA GeForce GT 640 vs GeForce 9800 GT
GeForce 9800 GT is 3% faster than NVIDIA GeForce GT 640
NVIDIA GeForce GT 640 vs GeForce GT 640
GeForce GT 640 is 0% slower than NVIDIA GeForce GT 640
NVIDIA GeForce GT 640 vs Radeon HD 5670
Radeon HD 5670 is 7% slower than NVIDIA GeForce GT 640