XFX Radeon RX 6800 XT Gaming vs AMD Radeon HD 6870

VS
XFX Radeon RX 6800 XT Gaming
XFX Radeon RX 6800 XT Gaming Image
AMD Radeon HD 6870
AMD Radeon HD 6870 Image
XFX Radeon RX 6800 XT Gaming
AMD Radeon HD 6870
Key Differences Key Differences XFX Radeon RX 6800 XT Gaming AMD Radeon HD 6870
GPU Base Clock Speed 1825MHz 900MHz
GPU Boost Clock Speed 2250MHz Not Known
Pixel Rate 288 GPixel/s 28.8 GPixel/s
GPU Memory Speed 2000MHz 1050MHz
GPU Render Output Units (ROPs) 128 32
No. of Supported Displays 4 Not Known
Performance Performance XFX Radeon RX 6800 XT Gaming AMD Radeon HD 6870
GPU Base Clock Speed 1825MHz 900MHz
Pixel Rate 288 GPixel/s 28.8 GPixel/s
FLOPS (Floating-point Performance) 41.47 TFLOPS 2.02 TFLOPS
GPU Memory Speed 2000MHz 1050MHz
Texture Filter Rate 648 GTexels/s 50.4 GTexels/s
Total GPU Shading Units 4608 1120
Total GPU TMUs 288 56
GPU Boost Clock Speed 2250MHz Not Known
GPU Render Output Units (ROPs) 128 32
DPFP (Double Precision Floating Point) Support No No
Features Features XFX Radeon RX 6800 XT Gaming AMD Radeon HD 6870
DirectX Version Info 12 11
OpenGL Driver Version 4.6 4.2
OpenCL Driver Version 2 1.2
Multi-display Tech Support Yes Yes
3D Support Yes Yes
Ray Tracing Support Yes No
No. of Supported Displays 4 Not Known
PassMark (G3D) Score Not Known 2565
3DMark Vantage Texture Fill Result Not Known 45.8GTexels/s
GPU Temperature Under Load Not Known 72°C
3DMark Vantage Pixel Fill Result Not Known 6.62GPixel/s
PassMark (DirectCompute) Benchmark Result Not Known 1133
Idle GPU Temperature Not Known 38°C
Noise Level Under Load Not Known 55.2dB
Power Consumption Under Peak Load Not Known 277W
Idle Power Consumption Not Known 112W
Idle Noise Level Not Known 39.3dB
Multi-GPU Support Count Not Known 2
SmallLuxGPU (2.0d4) Result Not Known 6515
Miscellaneous Miscellaneous XFX Radeon RX 6800 XT Gaming AMD Radeon HD 6870
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports XFX Radeon RX 6800 XT Gaming AMD Radeon HD 6870
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 Not Known
DisplayPort Output 2 0
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 2
Mini DisplayPort Output 0 2
General info General info XFX Radeon RX 6800 XT Gaming AMD Radeon HD 6870
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 26800 million 1700 million
Semiconductor Size 7nm 40nm
PCI Express Version 4 2
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 266.7mm 220mm
Height 119.8mm 96mm
Memory Memory XFX Radeon RX 6800 XT Gaming AMD Radeon HD 6870
Effective Memory Clock 16000MHz 4200MHz
Max Memory Bandwidth 512GB/s 134GB/s
RAM 16GB 1GB
Memory Bus Interface Width 256bit 256bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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