Zotac Gaming GeForce RTX 2080 Blower vs Nvidia GeForce GT 640 OEM GDDR5 2GB
VS
Zotac Gaming GeForce RTX 2080 Blower
Nvidia GeForce GT 640 OEM GDDR5 2GB
Key Differences
Performance
Features
Miscellaneous
Ports
General info
Memory
Zotac Gaming GeForce RTX 2080 Blower
Nvidia GeForce GT 640 OEM GDDR5 2GB
Key Differences
|
Zotac Gaming GeForce RTX 2080 Blower | Nvidia GeForce GT 640 OEM GDDR5 2GB |
|---|---|---|
| GPU Base Clock Speed | 1515MHz | 950MHz |
| GPU Boost Clock Speed | 1710MHz | Not Known |
| Pixel Rate | 109.4 GPixel/s | 7.63 GPixel/s |
| GPU Memory Speed | 1750MHz | 1250MHz |
| GPU Render Output Units (ROPs) | 64 | Not Known |
| No. of Supported Displays | 4 | Not Known |
Performance
|
Zotac Gaming GeForce RTX 2080 Blower | Nvidia GeForce GT 640 OEM GDDR5 2GB |
|---|---|---|
| GPU Base Clock Speed | 1515MHz | 950MHz |
| Pixel Rate | 109.4 GPixel/s | 7.63 GPixel/s |
| FLOPS (Floating-point Performance) | 10.07 TFLOPS | 0.73 TFLOPS |
| Texture Filter Rate | 314.6 GTexels/s | 30.4 GTexels/s |
| GPU Memory Speed | 1750MHz | 1250MHz |
| Total GPU Shading Units | 2944 | 384 |
| Total GPU TMUs | 184 | Not Known |
| GPU Boost Clock Speed | 1710MHz | Not Known |
| GPU Render Output Units (ROPs) | 64 | Not Known |
| DPFP (Double Precision Floating Point) Support |  No
|
No
|
Features
|
Zotac Gaming GeForce RTX 2080 Blower | Nvidia GeForce GT 640 OEM GDDR5 2GB |
|---|---|---|
| DirectX Version Info | 12 | 11 |
| OpenGL Driver Version | 4.5 | 4.3 |
| OpenCL Driver Version | 1.2 | Not Known |
| Multi-display Tech Support |  Yes
|
No
|
| GPU Temperature Under Load | 74°C | Not Known |
| Idle GPU Temperature | 30°C | Not Known |
| 3D Support | Yes
|
Yes
|
| Noise Level Under Load | 45dB | Not Known |
| Idle Noise Level | 40.3dB | Not Known |
| Idle Power Consumption | 53W | Not Known |
| Multi-GPU Support Count | 2 | 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 | No
|
No
|
Miscellaneous
|
Zotac Gaming GeForce RTX 2080 Blower | Nvidia GeForce GT 640 OEM GDDR5 2GB |
|---|---|---|
| No. of USB Ports | 1 | No Data Found |
| USB Type-C Support | Yes
|
No Data Found |
Ports
|
Zotac Gaming GeForce RTX 2080 Blower | Nvidia GeForce GT 640 OEM GDDR5 2GB |
|---|---|---|
| HDMI Output Support | Yes
|
Yes
|
| GPU HDMI Version | 2 | Not Known |
| DisplayPort Output | 3 | 1 |
| No. of HDMI Ports | 1 | Not Known |
| DVI Output Ports | 0 | 0 |
| Mini DisplayPort Output | 0 | 0 |
General info
|
Zotac Gaming GeForce RTX 2080 Blower | Nvidia GeForce GT 640 OEM GDDR5 2GB |
|---|---|---|
| TDP (Thermal Design Point) | No Data Found | No Data Found |
| Transistor Count | 13600 million | 1270 million |
| Semiconductor Size | 12nm | 28nm |
| PCI Express Version | 3 | 3 |
| Dual-GPU Support | No
|
No
|
| Air-water Cooling Support | No
|
No
|
| Width Size | 268mm | 145mm |
| Height | 113mm | 111mm |
Memory
|
Zotac Gaming GeForce RTX 2080 Blower | Nvidia GeForce GT 640 OEM GDDR5 2GB |
|---|---|---|
| Effective Memory Clock | 14000MHz | 5000MHz |
| Max Memory Bandwidth | 448GB/s | 80GB/s |
| RAM | 8GB | 2GB |
| Memory Bus Interface Width | 256bit | 128bit |
| GDDR Memory Version | 6 | 5 |
| ECC (Error-Correcting Code) Memory Support | No
|
No
|
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