ASRock Radeon RX 6800 XT Taichi X OC vs PowerColor Radeon HD 7870 PCS+

VS
ASRock Radeon RX 6800 XT Taichi X OC
ASRock Radeon RX 6800 XT Taichi X OC Image
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PowerColor Radeon HD 7870 PCS+
PowerColor Radeon HD 7870 PCS+ Image
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ASRock Radeon RX 6800 XT Taichi X OC
PowerColor Radeon HD 7870 PCS+
Key Differences Key Differences ASRock Radeon RX 6800 XT Taichi X OC PowerColor Radeon HD 7870 PCS+
GPU Base Clock Speed 1925MHz 1100MHz
GPU Boost Clock Speed 2360MHz Not Known
Pixel Rate 302.1 GPixel/s 35.2 GPixel/s
GPU Memory Speed 2000MHz 1225MHz
GPU Render Output Units (ROPs) 128 32
No. of Supported Displays 4 6
Performance Performance ASRock Radeon RX 6800 XT Taichi X OC PowerColor Radeon HD 7870 PCS+
GPU Base Clock Speed 1925MHz 1100MHz
Pixel Rate 302.1 GPixel/s 35.2 GPixel/s
FLOPS (Floating-point Performance) 21.75 TFLOPS 2.82 TFLOPS
GPU Memory Speed 2000MHz 1225MHz
Texture Filter Rate 679.7 GTexels/s 88 GTexels/s
Total GPU Shading Units 4608 1280
Total GPU TMUs 288 80
GPU Boost Clock Speed 2360MHz Not Known
GPU Render Output Units (ROPs) 128 32
DPFP (Double Precision Floating Point) Support No Yes
Features Features ASRock Radeon RX 6800 XT Taichi X OC PowerColor Radeon HD 7870 PCS+
DirectX Version Info 12 11.1
OpenGL Driver Version 4.6 4.2
OpenCL Driver Version 2.1 1.2
Multi-display Tech Support Yes Yes
3D Support Yes Yes
Ray Tracing Support Yes No
No. of Supported Displays 4 6
Multi-GPU Support Count Not Known 2
Ports Ports ASRock Radeon RX 6800 XT Taichi X OC PowerColor Radeon HD 7870 PCS+
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 ASRock Radeon RX 6800 XT Taichi X OC PowerColor Radeon HD 7870 PCS+
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 330mm 241mm
Height 140mm 120mm
Memory Memory ASRock Radeon RX 6800 XT Taichi X OC PowerColor Radeon HD 7870 PCS+
Effective Memory Clock 16000MHz 4900MHz
Max Memory Bandwidth 512GB/s 157GB/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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