Zotac GeForce RTX 2080 Super Twin Fan vs Zalman HD 7990
VS
Zotac GeForce RTX 2080 Super Twin Fan
Zalman HD 7990
Key Differences
Performance
Features
Ports
General info
Memory
Zotac GeForce RTX 2080 Super Twin Fan
Zalman HD 7990
Key Differences
|
Zotac GeForce RTX 2080 Super Twin Fan | Zalman HD 7990 |
|---|---|---|
| GPU Base Clock Speed | 1650MHz | 950MHz |
| GPU Boost Clock Speed | 1815MHz | 1000MHz |
| Pixel Rate | 116.2 GPixel/s | 60.8 GPixel/s |
| GPU Memory Speed | 1937MHz | 1500MHz |
| GPU Render Output Units (ROPs) | 64 | 64 |
| No. of Supported Displays | 4 | 6 |
Performance
|
Zotac GeForce RTX 2080 Super Twin Fan | Zalman HD 7990 |
|---|---|---|
| GPU Base Clock Speed | 1650MHz | 950MHz |
| Pixel Rate | 116.2 GPixel/s | 60.8 GPixel/s |
| FLOPS (Floating-point Performance) | 11.15 TFLOPS | 7.78 TFLOPS |
| GPU Memory Speed | 1937MHz | 1500MHz |
| Texture Filter Rate | 348.5 GTexels/s | 144 GTexels/s |
| Total GPU Shading Units | 3072 | 4096 |
| Total GPU TMUs | 192 | 256 |
| GPU Boost Clock Speed | 1815MHz | 1000MHz |
| GPU Render Output Units (ROPs) | 64 | 64 |
| DPFP (Double Precision Floating Point) Support |  No
|
 Yes
|
Features
|
Zotac GeForce RTX 2080 Super Twin Fan | Zalman HD 7990 |
|---|---|---|
| DirectX Version Info | 12 | 11.1 |
| OpenGL Driver Version | 4.5 | 4.3 |
| OpenCL Driver Version | 1.2 | 1.2 |
| Multi-display Tech Support | Yes
|
Yes
|
| GPU Temperature Under Load | 77°C | 82°C |
| Idle GPU Temperature | 30°C | 39°C |
| Noise Level Under Load | 46.5dB | 54.8dB |
| 3D Support | Yes
|
Yes
|
| Idle Power Consumption | 54W | 127W |
| Idle Noise Level | 40.3dB | 39.2dB |
| Multi-GPU Support Count | 2 | 4 |
| No. of Supported Displays | 4 | 6 |
| PassMark (G3D) Score | Not Known | 5105 |
| 3DMark Vantage Texture Fill Result | Not Known | 211.8GTexels/s |
| 3DMark Vantage Pixel Fill Result | Not Known | 26.2GPixel/s |
| PassMark (DirectCompute) Benchmark Result | Not Known | 2755 |
| Ray Tracing Support | No
|
No
|
| Power Consumption Under Peak Load | Not Known | 552W |
Ports
|
Zotac GeForce RTX 2080 Super Twin Fan | Zalman HD 7990 |
|---|---|---|
| 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 | 0 | 1 |
| Mini DisplayPort Output | 0 | 4 |
General info
|
Zotac GeForce RTX 2080 Super Twin Fan | Zalman HD 7990 |
|---|---|---|
| TDP (Thermal Design Point) | No Data Found | No Data Found |
| Transistor Count | 13600 million | 4313 million |
| Semiconductor Size | 12nm | 28nm |
| PCI Express Version | 3 | 3 |
| Dual-GPU Support | No
|
Yes
|
| Air-water Cooling Support | No
|
No
|
| Width Size | 268mm | 305mm |
| Height | 113mm | 110mm |
Memory
|
Zotac GeForce RTX 2080 Super Twin Fan | Zalman HD 7990 |
|---|---|---|
| Effective Memory Clock | 15496MHz | 6000MHz |
| Max Memory Bandwidth | 496GB/s | 576GB/s |
| RAM | 8GB | 6GB |
| Memory Bus Interface Width | 256bit | 768bit |
| GDDR Memory Version | 6 | 5 |
| ECC (Error-Correcting Code) Memory Support | No
|
No
|
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