Sapphire Radeon RX 6800 XT vs Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
VS
Sapphire Radeon RX 6800 XT
Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
Key Differences
Performance
Features
Miscellaneous
Ports
General info
Memory
Sapphire Radeon RX 6800 XT
Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
Key Differences
|
Sapphire Radeon RX 6800 XT | Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB |
|---|---|---|
| GPU Base Clock Speed | 1825MHz | 720MHz |
| GPU Boost Clock Speed | 2250MHz | Not Known |
| Pixel Rate | 288 GPixel/s | 6.38 GPixel/s |
| GPU Memory Speed | 2000MHz | 891MHz |
| GPU Render Output Units (ROPs) | 128 | Not Known |
| No. of Supported Displays | 4 | Not Known |
Performance
|
Sapphire Radeon RX 6800 XT | Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB |
|---|---|---|
| GPU Base Clock Speed | 1825MHz | 720MHz |
| Pixel Rate | 288 GPixel/s | 6.38 GPixel/s |
| FLOPS (Floating-point Performance) | 20.74 TFLOPS | 0.61 TFLOPS |
| GPU Memory Speed | 2000MHz | 891MHz |
| Texture Filter Rate | 648 GTexels/s | 17 GTexels/s |
| Total GPU Shading Units | 4608 | 144 |
| Total GPU TMUs | 288 | Not Known |
| GPU Boost Clock Speed | 2250MHz | Not Known |
| GPU Render Output Units (ROPs) | 128 | Not Known |
| DPFP (Double Precision Floating Point) Support |  No
|
No
|
Features
|
Sapphire Radeon RX 6800 XT | Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB |
|---|---|---|
| DirectX Version Info | 12 | 11 |
| OpenGL Driver Version | 4.6 | 4.3 |
| OpenCL Driver Version | 2 | Not Known |
| Multi-display Tech Support |  Yes
|
No
|
| 3D Support | Yes
|
Yes
|
| Multi-GPU Support Count | 0 | Not Known |
| 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 |
Miscellaneous
|
Sapphire Radeon RX 6800 XT | Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB |
|---|---|---|
| No. of USB Ports | 1 | No Data Found |
| USB Type-C Support | Yes
|
No Data Found |
Ports
|
Sapphire Radeon RX 6800 XT | Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB |
|---|---|---|
| HDMI Output Support | Yes
|
Yes
|
| DisplayPort Output | 2 | 0 |
| No. of HDMI Ports | 1 | Not Known |
| DVI Output Ports | 0 | 1 |
| Mini DisplayPort Output | 0 | 0 |
General info
|
Sapphire Radeon RX 6800 XT | Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB |
|---|---|---|
| TDP (Thermal Design Point) | No Data Found | No Data Found |
| Transistor Count | 26800 million | 1270 million |
| Semiconductor Size | 7nm | 28nm |
| PCI Express Version | 4 | 2 |
| Dual-GPU Support | No
|
No
|
| Air-water Cooling Support | No
|
No
|
| Width Size | 266.7mm | 145mm |
| Height | 119.8mm | 111mm |
Memory
|
Sapphire Radeon RX 6800 XT | Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB |
|---|---|---|
| Effective Memory Clock | 16000MHz | 1782MHz |
| Max Memory Bandwidth | 512GB/s | 43GB/s |
| RAM | 16GB | 2GB |
| Memory Bus Interface Width | 256bit | 192bit |
| GDDR Memory Version | 6 | Not Known |
| ECC (Error-Correcting Code) Memory Support | No
|
No
|
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