AMD Radeon RX 5700 XT vs AMD Radeon HD 7990

VS
AMD Radeon RX 5700 XT
AMD Radeon RX 5700 XT Image
AMD Radeon HD 7990
AMD Radeon HD 7990 Image
AMD Radeon RX 5700 XT
AMD Radeon HD 7990
Key Differences Key Differences AMD Radeon RX 5700 XT AMD Radeon HD 7990
GPU Base Clock Speed 1605MHz 950MHz
GPU Boost Clock Speed 1905MHz 1000MHz
Pixel Rate 121.9 GPixel/s 60.8 GPixel/s
GPU Memory Speed 1750MHz 1500MHz
GPU Render Output Units (ROPs) 64 64
No. of Supported Displays Not Known 6
Performance Performance AMD Radeon RX 5700 XT AMD Radeon HD 7990
GPU Base Clock Speed 1605MHz 950MHz
Pixel Rate 121.9 GPixel/s 60.8 GPixel/s
FLOPS (Floating-point Performance) 9.75 TFLOPS 7.78 TFLOPS
Texture Filter Rate 304.8 GTexels/s 144 GTexels/s
GPU Memory Speed 1750MHz 1500MHz
Total GPU Shading Units 2560 4096
Total GPU TMUs 160 256
GPU Boost Clock Speed 1905MHz 1000MHz
GPU Render Output Units (ROPs) 64 64
DPFP (Double Precision Floating Point) Support No Yes
Features Features AMD Radeon RX 5700 XT AMD Radeon 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
GPU Temperature Under Load 84°C 82°C
Idle GPU Temperature 35°C 39°C
Noise Level Under Load 54dB 54.8dB
3D Support Yes Yes
Idle Noise Level 39dB 39.2dB
Idle Power Consumption 54W 127W
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
Multi-GPU Support Count Not Known 4
No. of Supported Displays Not Known 6
Ports Ports AMD Radeon RX 5700 XT AMD Radeon 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 AMD Radeon RX 5700 XT AMD Radeon HD 7990
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 10300 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 272mm 305mm
Height Not Known 110mm
Memory Memory AMD Radeon RX 5700 XT AMD Radeon 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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