KFA2 GeForce RTX 2080 Dual Black vs HIS HD 7990
VS
KFA2 GeForce RTX 2080 Dual Black
HIS HD 7990
Key Differences
Performance
Features
Miscellaneous
Ports
General info
Memory
KFA2 GeForce RTX 2080 Dual Black
HIS HD 7990
Key Differences
|
KFA2 GeForce RTX 2080 Dual Black | HIS HD 7990 |
|---|---|---|
| GPU Base Clock Speed | 1515MHz | 950MHz |
| GPU Boost Clock Speed | 1710MHz | 1000MHz |
| Pixel Rate | 109.4 GPixel/s | 60.8 GPixel/s |
| GPU Memory Speed | 1750MHz | 1500MHz |
| GPU Render Output Units (ROPs) | 64 | 64 |
| No. of Supported Displays | 4 | 6 |
Performance
|
KFA2 GeForce RTX 2080 Dual Black | HIS HD 7990 |
|---|---|---|
| GPU Base Clock Speed | 1515MHz | 950MHz |
| Pixel Rate | 109.4 GPixel/s | 60.8 GPixel/s |
| FLOPS (Floating-point Performance) | 10.07 TFLOPS | 7.78 TFLOPS |
| Texture Filter Rate | 314.6 GTexels/s | 144 GTexels/s |
| GPU Memory Speed | 1750MHz | 1500MHz |
| Total GPU Shading Units | 2944 | 4096 |
| Total GPU TMUs | 184 | 256 |
| GPU Boost Clock Speed | 1710MHz | 1000MHz |
| GPU Render Output Units (ROPs) | 64 | 64 |
| DPFP (Double Precision Floating Point) Support |  No
|
 Yes
|
Features
|
KFA2 GeForce RTX 2080 Dual Black | HIS 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 | 74°C | 82°C |
| Idle GPU Temperature | 30°C | 39°C |
| 3D Support | Yes
|
Yes
|
| Noise Level Under Load | 45dB | 54.8dB |
| Idle Noise Level | 40.3dB | 39.2dB |
| Idle Power Consumption | 53W | 127W |
| 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 |
Miscellaneous
|
KFA2 GeForce RTX 2080 Dual Black | HIS HD 7990 |
|---|---|---|
| No. of USB Ports | 1 | No Data Found |
| USB Type-C Support | Yes
|
No Data Found |
Ports
|
KFA2 GeForce RTX 2080 Dual Black | HIS 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
|
KFA2 GeForce RTX 2080 Dual Black | HIS 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 | 283mm | 305mm |
| Height | 139mm | 110mm |
Memory
|
KFA2 GeForce RTX 2080 Dual Black | HIS HD 7990 |
|---|---|---|
| Effective Memory Clock | 14000MHz | 6000MHz |
| Max Memory Bandwidth | 448GB/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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