Asus ROG Strix GeForce GTX 1080 Ti OC vs Zotac GeForce GT 640 1GB
VS
Asus ROG Strix GeForce GTX 1080 Ti OC
Zotac GeForce GT 640 1GB
Key Differences
Performance
Features
Ports
General info
Memory
Asus ROG Strix GeForce GTX 1080 Ti OC
Zotac GeForce GT 640 1GB
Key Differences
|
Asus ROG Strix GeForce GTX 1080 Ti OC | Zotac GeForce GT 640 1GB |
|---|---|---|
| GPU Base Clock Speed | 1569MHz | 1046MHz |
| GPU Boost Clock Speed | 1683MHz | Not Known |
| Pixel Rate | 138.2 GPixel/s | 7.22 GPixel/s |
| GPU Memory Speed | 1376MHz | 1250MHz |
| GPU Render Output Units (ROPs) | 88 | 16 |
| No. of Supported Displays | 5 | Not Known |
Performance
|
Asus ROG Strix GeForce GTX 1080 Ti OC | Zotac GeForce GT 640 1GB |
|---|---|---|
| GPU Base Clock Speed | 1569MHz | 1046MHz |
| Pixel Rate | 138.2 GPixel/s | 7.22 GPixel/s |
| FLOPS (Floating-point Performance) | 11.3 TFLOPS | 0.69 TFLOPS |
| Texture Filter Rate | 352 GTexels/s | 28.8 GTexels/s |
| GPU Memory Speed | 1376MHz | 1250MHz |
| Total GPU Shading Units | 3584 | 384 |
| Total GPU TMUs | 224 | 32 |
| GPU Boost Clock Speed | 1683MHz | Not Known |
| GPU Render Output Units (ROPs) | 88 | 16 |
| DPFP (Double Precision Floating Point) Support |  Yes
|
 No
|
Features
|
Asus ROG Strix GeForce GTX 1080 Ti OC | Zotac GeForce GT 640 1GB |
|---|---|---|
| DirectX Version Info | 12 | 11 |
| OpenGL Driver Version | 4.5 | 4.3 |
| OpenCL Driver Version | 1.2 | 1.1 |
| 3D Support | Yes
|
Yes
|
| Multi-GPU Support Count | 2 | Not Known |
| Ray Tracing Support | Yes
|
No
|
| No. of Supported Displays | 5 | Not Known |
| Multi-display Tech Support | No
|
Yes
|
Ports
|
Asus ROG Strix GeForce GTX 1080 Ti OC | Zotac GeForce GT 640 1GB |
|---|---|---|
| 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
|
Asus ROG Strix GeForce GTX 1080 Ti OC | Zotac GeForce GT 640 1GB |
|---|---|---|
| TDP (Thermal Design Point) | No Data Found | No Data Found |
| Transistor Count | 12000 million | 1270 million |
| Semiconductor Size | 16nm | 28nm |
| PCI Express Version | 3 | 3 |
| Air-water Cooling Support | No
|
No
|
| Width Size | 297.9mm | 145mm |
| Height | 134.1mm | 111mm |
| Dual-GPU Support | No
|
No
|
Memory
|
Asus ROG Strix GeForce GTX 1080 Ti OC | Zotac GeForce GT 640 1GB |
|---|---|---|
| Effective Memory Clock | 11010MHz | 5000MHz |
| Max Memory Bandwidth | 484GB/s | 28.5GB/s |
| RAM | 11GB | 1GB |
| Memory Bus Interface Width | 352bit | 64bit |
| GDDR Memory Version | 5 | 5 |
| ECC (Error-Correcting Code) Memory Support | No
|
No
|
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