Nvidia GeForce RTX 2080 Super vs Nvidia GeForce GT 640 GDDR5
VS
Nvidia GeForce RTX 2080 Super
Nvidia GeForce GT 640 GDDR5
Key Differences
Performance
Features
Ports
General info
Memory
Nvidia GeForce RTX 2080 Super
Nvidia GeForce GT 640 GDDR5
Key Differences
|
Nvidia GeForce RTX 2080 Super | Nvidia GeForce GT 640 GDDR5 |
|---|---|---|
| GPU Base Clock Speed | 1650MHz | 1046MHz |
| GPU Boost Clock Speed | 1815MHz | Not Known |
| Pixel Rate | 116.2 GPixel/s | 8.37 GPixel/s |
| GPU Memory Speed | 1937MHz | 1252MHz |
| GPU Render Output Units (ROPs) | 64 | 8 |
| No. of Supported Displays | 4 | Not Known |
Performance
|
Nvidia GeForce RTX 2080 Super | Nvidia GeForce GT 640 GDDR5 |
|---|---|---|
| GPU Base Clock Speed | 1650MHz | 1046MHz |
| Pixel Rate | 116.2 GPixel/s | 8.37 GPixel/s |
| FLOPS (Floating-point Performance) | 11.15 TFLOPS | 0.8 TFLOPS |
| Texture Filter Rate | 348.5 GTexels/s | 16.7 GTexels/s |
| GPU Memory Speed | 1937MHz | 1252MHz |
| Total GPU Shading Units | 3072 | 384 |
| Total GPU TMUs | 192 | 16 |
| GPU Boost Clock Speed | 1815MHz | Not Known |
| GPU Render Output Units (ROPs) | 64 | 8 |
| DPFP (Double Precision Floating Point) Support |  Yes
|
 No
|
Features
|
Nvidia GeForce RTX 2080 Super | Nvidia GeForce GT 640 GDDR5 |
|---|---|---|
| DirectX Version Info | 12 | 11.1 |
| OpenGL Driver Version | 4.6 | 4.3 |
| OpenCL Driver Version | 1.2 | 1.1 |
| Multi-display Tech Support | Yes
|
Yes
|
| GPU Temperature Under Load | 77°C | Not Known |
| Idle GPU Temperature | 30°C | Not Known |
| Noise Level Under Load | 46.5dB | Not Known |
| 3D Support | Yes
|
Yes
|
| Idle Noise Level | 40.3dB | Not Known |
| Idle Power Consumption | 54W | Not Known |
| No. of Supported Displays | 4 | Not Known |
| PassMark (G3D) Score | Not Known | 644 |
| PassMark (DirectCompute) Benchmark Result | Not Known | 1297 |
| Ray Tracing Support | Yes
|
No
|
Ports
|
Nvidia GeForce RTX 2080 Super | Nvidia GeForce GT 640 GDDR5 |
|---|---|---|
| HDMI Output Support | Yes
|
Yes
|
| GPU HDMI Version | 2 | Not Known |
| DisplayPort Output | 3 | 0 |
| No. of HDMI Ports | 1 | Not Known |
| DVI Output Ports | 1 | 1 |
| Mini DisplayPort Output | 0 | 0 |
General info
|
Nvidia GeForce RTX 2080 Super | Nvidia GeForce GT 640 GDDR5 |
|---|---|---|
| TDP (Thermal Design Point) | No Data Found | No Data Found |
| Transistor Count | 13600 million | 1270 million |
| Semiconductor Size | 12nm | 28nm |
| PCI Express Version | 3 | 2 |
| Dual-GPU Support | No
|
No
|
| Air-water Cooling Support | No
|
No
|
| Width Size | 266.74mm | 145mm |
| Height | 115.7mm | 111mm |
Memory
|
Nvidia GeForce RTX 2080 Super | Nvidia GeForce GT 640 GDDR5 |
|---|---|---|
| Effective Memory Clock | 15496MHz | 5008MHz |
| Max Memory Bandwidth | 495.9GB/s | 40GB/s |
| RAM | 8GB | 1GB |
| Memory Bus Interface Width | 256bit | 64bit |
| GDDR Memory Version | 6 | 5 |
| ECC (Error-Correcting Code) Memory Support | Yes
|
No
|
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