General Information |
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|---|---|
| GPU Name: | NVIDIA GeForce GT 640 |
| Generation: | GeForce 600 |
| Transistors: | 1,270 million |
| Die Size: | 118 mm2 |
| Process Size: | 28 nm |
| Architecture: | Kepler |
| Foundry: | TSMC |
| Release Date: | Jun 5th, 2012 |
Graphics Specifications |
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|---|---|
| GPU Clock: | 902 MHz |
| Shading Units: | 384 |
| TMUs: | 32 |
| ROPs: | 16 |
| L1 Cache: | 16 KB (per SMX) |
| L2 Cache: | 256 KB |
Graphics Memory |
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|---|---|
| Memory Clock: | 891 MHz |
| Memory Size: | 2 GB |
| Memory Type: | DDR3 |
| Memory Bus: | 128 bit |
| Bandwidth: | 28.51 GB/s |
Features |
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|---|---|
| Shader Model: | 5.1 |
| OpenCL: | 3.0 |
| OpenGL: | 4.6 |
| DirectX: | 12 (11_0) |
| CUDA: | 3.0 |
| Vulkan: | 1.1 |
Performance |
|
|---|---|
| Pixel Rate: | 7.216 GPixel/s |
| Texture Rate: | 28.86 GTexel/s |
| FP32 (float) performance: | 692.7 GFLOPS |
| FP64 (double) performance: | 28.86 GFLOPS (1:24) |
Founder Edition |
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|---|---|
| TDP: | 65 W |
| Suggested PSU: | 250 W |
| Power Connectors: | None |
| Slot Width: | Single-slot |
| Length: | 145 mm 5.7 inches |