Gigabyte Radeon RX 6800 vs Zotac GeForce GT 640 1GB
VS
Gigabyte Radeon RX 6800
Zotac GeForce GT 640 1GB
Key Differences
Performance
Features
Miscellaneous
Ports
General info
Memory
Gigabyte Radeon RX 6800
Zotac GeForce GT 640 1GB
Key Differences
|
Gigabyte Radeon RX 6800 | Zotac GeForce GT 640 1GB |
|---|---|---|
| GPU Base Clock Speed | 1372MHz | 1046MHz |
| GPU Boost Clock Speed | 2105MHz | Not Known |
| Pixel Rate | 202.1 GPixel/s | 7.22 GPixel/s |
| GPU Memory Speed | 2000MHz | 1250MHz |
| GPU Render Output Units (ROPs) | 96 | 16 |
| No. of Supported Displays | 4 | Not Known |
Performance
|
Gigabyte Radeon RX 6800 | Zotac GeForce GT 640 1GB |
|---|---|---|
| GPU Base Clock Speed | 1372MHz | 1046MHz |
| Pixel Rate | 202.1 GPixel/s | 7.22 GPixel/s |
| FLOPS (Floating-point Performance) | 16.17 TFLOPS | 0.69 TFLOPS |
| Texture Filter Rate | 505.2 GTexels/s | 28.8 GTexels/s |
| GPU Memory Speed | 2000MHz | 1250MHz |
| Total GPU Shading Units | 3840 | 384 |
| Total GPU TMUs | 240 | 32 |
| GPU Boost Clock Speed | 2105MHz | Not Known |
| GPU Render Output Units (ROPs) | 96 | 16 |
| DPFP (Double Precision Floating Point) Support |  No
|
No
|
Features
|
Gigabyte Radeon RX 6800 | Zotac GeForce GT 640 1GB |
|---|---|---|
| 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 |
Miscellaneous
|
Gigabyte Radeon RX 6800 | Zotac GeForce GT 640 1GB |
|---|---|---|
| No. of USB Ports | 1 | No Data Found |
| USB Type-C Support | Yes
|
No Data Found |
Ports
|
Gigabyte Radeon RX 6800 | Zotac GeForce GT 640 1GB |
|---|---|---|
| HDMI Output Support | Yes
|
Yes
|
| GPU HDMI Version | 2.1 | Not Known |
| DisplayPort Output | 2 | 0 |
| No. of HDMI Ports | 1 | Not Known |
| DVI Output Ports | 0 | 1 |
| Mini DisplayPort Output | 0 | 0 |
General info
|
Gigabyte Radeon RX 6800 | Zotac GeForce GT 640 1GB |
|---|---|---|
| TDP (Thermal Design Point) | No Data Found | No Data Found |
| Transistor Count | 26800 million | 1270 million |
| Semiconductor Size | 7nm | 28nm |
| PCI Express Version | 4 | 3 |
| Dual-GPU Support | No
|
No
|
| Air-water Cooling Support | No
|
No
|
| Width Size | 267mm | 145mm |
| Height | 120mm | 111mm |
Memory
|
Gigabyte Radeon RX 6800 | Zotac GeForce GT 640 1GB |
|---|---|---|
| Effective Memory Clock | 16000MHz | 5000MHz |
| Max Memory Bandwidth | 512GB/s | 28.5GB/s |
| RAM | 16GB | 1GB |
| Memory Bus Interface Width | 256bit | 64bit |
| GDDR Memory Version | 6 | 5 |
| ECC (Error-Correcting Code) Memory Support | No
|
No
|
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