AMD Radeon VII vs Zalman HD 7990

VS
AMD Radeon VII
AMD Radeon VII Image
Zalman HD 7990
Zalman HD 7990 Image
AMD Radeon VII
Zalman HD 7990
Key Differences Key Differences AMD Radeon VII Zalman HD 7990
GPU Base Clock Speed 1450MHz 950MHz
GPU Boost Clock Speed 1800MHz 1000MHz
Pixel Rate 230.4 GPixel/s 60.8 GPixel/s
GPU Memory Speed 1000MHz 1500MHz
GPU Render Output Units (ROPs) 64 64
No. of Supported Displays Not Known 6
Performance Performance AMD Radeon VII Zalman HD 7990
GPU Base Clock Speed 1450MHz 950MHz
Pixel Rate 230.4 GPixel/s 60.8 GPixel/s
FLOPS (Floating-point Performance) 13.82 TFLOPS 7.78 TFLOPS
GPU Memory Speed 1000MHz 1500MHz
Texture Filter Rate 432 GTexels/s 144 GTexels/s
Total GPU Shading Units 3840 4096
Total GPU TMUs 240 256
GPU Boost Clock Speed 1800MHz 1000MHz
GPU Render Output Units (ROPs) 64 64
DPFP (Double Precision Floating Point) Support Yes Yes
Features Features AMD Radeon VII Zalman HD 7990
DirectX Version Info 12 11.1
OpenGL Driver Version 4.6 4.3
OpenCL Driver Version 2 1.2
Multi-display Tech Support Yes Yes
PassMark (G3D) Score 14209 5105
Idle GPU Temperature 29°C 39°C
Noise Level Under Load 59.4dB 54.8dB
Idle Power Consumption 55W 127W
Idle Noise Level 38.7dB 39.2dB
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 No No
3D Support No Yes
Power Consumption Under Peak Load Not Known 552W
Multi-GPU Support Count Not Known 4
No. of Supported Displays Not Known 6
Ports Ports AMD Radeon VII Zalman HD 7990
HDMI Output Support Yes Yes
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 AMD Radeon VII Zalman HD 7990
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 13.23 million 4313 million
Semiconductor Size 7nm 28nm
PCI Express Version 4 3
Dual-GPU Support No Yes
Air-water Cooling Support No No
Width Size 305mm 305mm
Height Not Known 110mm
Memory Memory AMD Radeon VII Zalman HD 7990
Effective Memory Clock 2000MHz 6000MHz
Max Memory Bandwidth 1024GB/s 576GB/s
RAM 16GB 6GB
Memory Bus Interface Width 4096bit 768bit
GDDR Memory Version Not Known 5
ECC (Error-Correcting Code) Memory Support No No

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