Gigabyte GeForce RTX 2080 Ti Gaming OC vs Gigabyte HD 7990

VS
Gigabyte GeForce RTX 2080 Ti Gaming OC
Gigabyte GeForce RTX 2080 Ti Gaming OC Image
Gigabyte HD 7990
Gigabyte HD 7990 Image
Gigabyte GeForce RTX 2080 Ti Gaming OC
Gigabyte HD 7990
Key Differences Key Differences Gigabyte GeForce RTX 2080 Ti Gaming OC Gigabyte HD 7990
GPU Base Clock Speed 1350MHz 950MHz
GPU Boost Clock Speed 1650MHz 1000MHz
Pixel Rate 145.2 GPixel/s 60.8 GPixel/s
GPU Memory Speed 1750MHz 1500MHz
GPU Render Output Units (ROPs) 88 64
No. of Supported Displays 4 6
Performance Performance Gigabyte GeForce RTX 2080 Ti Gaming OC Gigabyte HD 7990
GPU Base Clock Speed 1350MHz 950MHz
Pixel Rate 145.2 GPixel/s 60.8 GPixel/s
FLOPS (Floating-point Performance) 14.36 TFLOPS 7.78 TFLOPS
GPU Memory Speed 1750MHz 1500MHz
Texture Filter Rate 448.8 GTexels/s 144 GTexels/s
Total GPU Shading Units 4352 4096
Total GPU TMUs 272 256
GPU Boost Clock Speed 1650MHz 1000MHz
GPU Render Output Units (ROPs) 88 64
DPFP (Double Precision Floating Point) Support No Yes
Features Features Gigabyte GeForce RTX 2080 Ti Gaming OC Gigabyte HD 7990
DirectX Version Info 12 11.1
OpenGL Driver Version 4.5 4.3
OpenCL Driver Version 2 1.2
Multi-display Tech Support Yes Yes
3D Support Yes Yes
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
GPU Temperature Under Load Not Known 82°C
3DMark Vantage Pixel Fill Result Not Known 26.2GPixel/s
PassMark (DirectCompute) Benchmark Result Not Known 2755
Ray Tracing Support Yes No
Idle GPU Temperature Not Known 39°C
Noise Level Under Load Not Known 54.8dB
Power Consumption Under Peak Load Not Known 552W
Idle Power Consumption Not Known 127W
Idle Noise Level Not Known 39.2dB
Miscellaneous Miscellaneous Gigabyte GeForce RTX 2080 Ti Gaming OC Gigabyte HD 7990
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Gigabyte GeForce RTX 2080 Ti Gaming OC Gigabyte 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 General info Gigabyte GeForce RTX 2080 Ti Gaming OC Gigabyte HD 7990
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 18600 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 286.5mm 305mm
Height 114.5mm 110mm
Memory Memory Gigabyte GeForce RTX 2080 Ti Gaming OC Gigabyte HD 7990
Effective Memory Clock 14000MHz 6000MHz
Max Memory Bandwidth 616GB/s 576GB/s
RAM 11GB 6GB
Memory Bus Interface Width 352bit 768bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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