Zotac GeForce RTX 3070 Twin Edge vs Nvidia GeForce GT 640
VS
Zotac GeForce RTX 3070 Twin Edge
Nvidia GeForce GT 640
Key Differences
Performance
Features
Ports
General info
Memory
Zotac GeForce RTX 3070 Twin Edge
Nvidia GeForce GT 640
Key Differences
|
Zotac GeForce RTX 3070 Twin Edge | Nvidia GeForce GT 640 |
|---|---|---|
| GPU Base Clock Speed | 1500MHz | 902MHz |
| GPU Boost Clock Speed | 1725MHz | Not Known |
| Pixel Rate | 110.4 GPixel/s | 7.22 GPixel/s |
| GPU Memory Speed | 1750MHz | 891MHz |
| GPU Render Output Units (ROPs) | 64 | 16 |
| No. of Supported Displays | 4 | Not Known |
Performance
|
Zotac GeForce RTX 3070 Twin Edge | Nvidia GeForce GT 640 |
|---|---|---|
| GPU Base Clock Speed | 1500MHz | 902MHz |
| Pixel Rate | 110.4 GPixel/s | 7.22 GPixel/s |
| FLOPS (Floating-point Performance) | 20.31 TFLOPS | 0.69 TFLOPS |
| GPU Memory Speed | 1750MHz | 891MHz |
| Texture Filter Rate | 317.4 GTexels/s | 28.9 GTexels/s |
| Total GPU Shading Units | 5888 | 384 |
| Total GPU TMUs | 184 | 32 |
| GPU Boost Clock Speed | 1725MHz | Not Known |
| GPU Render Output Units (ROPs) | 64 | 16 |
| DPFP (Double Precision Floating Point) Support |  No
|
No
|
Features
|
Zotac GeForce RTX 3070 Twin Edge | Nvidia GeForce GT 640 |
|---|---|---|
| DirectX Version Info | 12 | 11 |
| OpenGL Driver Version | 4.6 | 4.3 |
| OpenCL Driver Version | 2 | 1.1 |
| Multi-display Tech Support |  Yes
|
Yes
|
| 3D Support | Yes
|
Yes
|
| Ray Tracing Support | Yes
|
No
|
| No. of Supported Displays | 4 | Not Known |
| PassMark (G3D) Score | Not Known | 644 |
| PassMark (DirectCompute) Benchmark Result | Not Known | 1297 |
Ports
|
Zotac GeForce RTX 3070 Twin Edge | Nvidia GeForce GT 640 |
|---|---|---|
| HDMI Output Support | Yes
|
Yes
|
| GPU HDMI Version | 2.1 | Not Known |
| DisplayPort Output | 3 | 0 |
| No. of HDMI Ports | 1 | Not Known |
| DVI Output Ports | 0 | 2 |
| Mini DisplayPort Output | 0 | 0 |
General info
|
Zotac GeForce RTX 3070 Twin Edge | Nvidia GeForce GT 640 |
|---|---|---|
| TDP (Thermal Design Point) | No Data Found | No Data Found |
| Transistor Count | 17400 million | 1270 million |
| Semiconductor Size | 8nm | 28nm |
| PCI Express Version | 4 | 3 |
| Dual-GPU Support | No
|
No
|
| Air-water Cooling Support | No
|
No
|
| Width Size | 231.9mm | 145mm |
| Height | 141.3mm | 111mm |
Memory
|
Zotac GeForce RTX 3070 Twin Edge | Nvidia GeForce GT 640 |
|---|---|---|
| Max Memory Bandwidth | 448GB/s | 28.5GB/s |
| RAM | 8GB | 2GB |
| Memory Bus Interface Width | 256bit | 128bit |
| GDDR Memory Version | 6 | Not Known |
| Effective Memory Clock | Not Known | 1782MHz |
| ECC (Error-Correcting Code) Memory Support | No
|
No
|
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