PowerColor Radeon RX 6800 XT vs PowerColor R9 270X OC

VS
PowerColor Radeon RX 6800 XT
PowerColor Radeon RX 6800 XT Image
PowerColor R9 270X OC
PowerColor R9 270X OC Image
PowerColor Radeon RX 6800 XT
PowerColor R9 270X OC
Key Differences Key Differences PowerColor Radeon RX 6800 XT PowerColor R9 270X OC
GPU Base Clock Speed 1825MHz 1030MHz
GPU Boost Clock Speed 2250MHz 1080MHz
Pixel Rate 288 GPixel/s 33 GPixel/s
GPU Memory Speed 2000MHz 1400MHz
GPU Render Output Units (ROPs) 128 32
No. of Supported Displays 4 4
Performance Performance PowerColor Radeon RX 6800 XT PowerColor R9 270X OC
GPU Base Clock Speed 1825MHz 1030MHz
Pixel Rate 288 GPixel/s 33 GPixel/s
FLOPS (Floating-point Performance) 20.74 TFLOPS 2.64 TFLOPS
GPU Memory Speed 2000MHz 1400MHz
Texture Filter Rate 648 GTexels/s 82.4 GTexels/s
Total GPU Shading Units 4608 1280
Total GPU TMUs 288 80
GPU Boost Clock Speed 2250MHz 1080MHz
GPU Render Output Units (ROPs) 128 32
DPFP (Double Precision Floating Point) Support No No
Features Features PowerColor Radeon RX 6800 XT PowerColor R9 270X OC
DirectX Version Info 12 11.2
OpenGL Driver Version 4.6 4.3
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 4
PassMark (G3D) Score Not Known 4482
3DMark Vantage Texture Fill Result Not Known 75.7GTexels/s
GPU Temperature Under Load Not Known 76°C
3DMark Vantage Pixel Fill Result Not Known 9GPixel/s
PassMark (DirectCompute) Benchmark Result Not Known 2363
Idle GPU Temperature Not Known 30°C
Noise Level Under Load Not Known 51.6dB
Power Consumption Under Peak Load Not Known 239W
Idle Power Consumption Not Known 78W
Idle Noise Level Not Known 40dB
Multi-GPU Support Count Not Known 4
SmallLuxGPU (2.0d4) Result Not Known No Data Found
Miscellaneous Miscellaneous PowerColor Radeon RX 6800 XT PowerColor R9 270X OC
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports PowerColor Radeon RX 6800 XT PowerColor R9 270X OC
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 Not Known
DisplayPort Output 2 1
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 2
Mini DisplayPort Output 0 0
General info General info PowerColor Radeon RX 6800 XT PowerColor R9 270X OC
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 26800 million 2800 million
Semiconductor Size 7nm 28nm
PCI Express Version 4 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 266.8mm 274mm
Height 119.8mm 120mm
Memory Memory PowerColor Radeon RX 6800 XT PowerColor R9 270X OC
Effective Memory Clock 16000MHz 5600MHz
Max Memory Bandwidth 512GB/s 179GB/s
RAM 16GB 2GB
Memory Bus Interface Width 256bit 256bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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