Gigabyte Aorus GeForce RTX 2080 Xtreme 8GB vs Zalman HD 7990

VS
Gigabyte Aorus GeForce RTX 2080 Xtreme 8GB
Gigabyte Aorus GeForce RTX 2080 Xtreme 8GB Image
Zalman HD 7990
Zalman HD 7990 Image
Gigabyte Aorus GeForce RTX 2080 Xtreme 8GB
Zalman HD 7990
Key Differences Key Differences Gigabyte Aorus GeForce RTX 2080 Xtreme 8GB Zalman HD 7990
GPU Base Clock Speed 1515MHz 950MHz
GPU Boost Clock Speed 1890MHz 1000MHz
Pixel Rate 121 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 Performance Gigabyte Aorus GeForce RTX 2080 Xtreme 8GB Zalman HD 7990
GPU Base Clock Speed 1515MHz 950MHz
Pixel Rate 121 GPixel/s 60.8 GPixel/s
FLOPS (Floating-point Performance) 11.13 TFLOPS 7.78 TFLOPS
Texture Filter Rate 347.8 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 1890MHz 1000MHz
GPU Render Output Units (ROPs) 64 64
DPFP (Double Precision Floating Point) Support No Yes
Features Features Gigabyte Aorus GeForce RTX 2080 Xtreme 8GB 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 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 Miscellaneous Gigabyte Aorus GeForce RTX 2080 Xtreme 8GB Zalman HD 7990
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Gigabyte Aorus GeForce RTX 2080 Xtreme 8GB Zalman HD 7990
HDMI Output Support Yes Yes
GPU HDMI Version 2 Not Known
DisplayPort Output 3 0
No. of HDMI Ports 3 Not Known
DVI Output Ports 0 1
Mini DisplayPort Output 0 4
General info General info Gigabyte Aorus GeForce RTX 2080 Xtreme 8GB 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 290mm 305mm
Height 134.31mm 110mm
Memory Memory Gigabyte Aorus GeForce RTX 2080 Xtreme 8GB Zalman 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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