AMD Radeon RX 5700 XT vs AMD Radeon HD 6990

VS
AMD Radeon RX 5700 XT
AMD Radeon RX 5700 XT Image
AMD Radeon HD 6990
AMD Radeon HD 6990 Image
AMD Radeon RX 5700 XT
AMD Radeon HD 6990
Key Differences Key Differences AMD Radeon RX 5700 XT AMD Radeon HD 6990
GPU Base Clock Speed 1605MHz 830MHz
GPU Boost Clock Speed 1905MHz 830MHz
Pixel Rate 121.9 GPixel/s 53.2 GPixel/s
GPU Memory Speed 1750MHz 1250MHz
GPU Render Output Units (ROPs) 64 64
No. of Supported Displays Not Known Not Known
Performance Performance AMD Radeon RX 5700 XT AMD Radeon HD 6990
GPU Base Clock Speed 1605MHz 830MHz
Pixel Rate 121.9 GPixel/s 53.2 GPixel/s
FLOPS (Floating-point Performance) 9.75 TFLOPS 5.1 TFLOPS
Texture Filter Rate 304.8 GTexels/s 159.4 GTexels/s
GPU Memory Speed 1750MHz 1250MHz
Total GPU Shading Units 2560 3072
Total GPU TMUs 160 192
GPU Boost Clock Speed 1905MHz 830MHz
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 6990
DirectX Version Info 12 11
OpenGL Driver Version 4.6 4.2
OpenCL Driver Version 2 1.1
Multi-display Tech Support Yes Yes
GPU Temperature Under Load 84°C 86°C
Idle GPU Temperature 35°C 46°C
Noise Level Under Load 54dB 70.2dB
3D Support Yes Yes
Idle Noise Level 39dB 44.9dB
Idle Power Consumption 54W 171W
PassMark (G3D) Score Not Known 3371
PassMark (DirectCompute) Benchmark Result Not Known 1256
Ray Tracing Support No No
Power Consumption Under Peak Load Not Known 491W
Multi-GPU Support Count Not Known 2
SmallLuxGPU (2.0d4) Result Not Known 10490
Ports Ports AMD Radeon RX 5700 XT AMD Radeon HD 6990
HDMI Output Support Yes Yes
GPU HDMI Version 2 Not Known
DisplayPort Output 3 1
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 6990
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 10300 million 2640 million
Semiconductor Size 7nm 40nm
PCI Express Version 4 2
Dual-GPU Support No Yes
Air-water Cooling Support No No
Width Size 272mm 295mm
Height Not Known 112.25mm
Memory Memory AMD Radeon RX 5700 XT AMD Radeon HD 6990
Effective Memory Clock 14000MHz 5000MHz
Max Memory Bandwidth 448GB/s 320GB/s
RAM 8GB 4GB
Memory Bus Interface Width 256bit 512bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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