ASRock Radeon RX 6800 XT Phantom Gaming D OC vs Gigabyte Radeon HD 7870 OC

VS
ASRock Radeon RX 6800 XT Phantom Gaming D OC
ASRock Radeon RX 6800 XT Phantom Gaming D OC Image
Gigabyte Radeon HD 7870 OC
Gigabyte Radeon HD 7870 OC Image
ASRock Radeon RX 6800 XT Phantom Gaming D OC
Gigabyte Radeon HD 7870 OC
Key Differences Key Differences ASRock Radeon RX 6800 XT Phantom Gaming D OC Gigabyte Radeon HD 7870 OC
GPU Base Clock Speed 1875MHz 1100MHz
GPU Boost Clock Speed 2310MHz Not Known
Pixel Rate 295.7 GPixel/s 35.2 GPixel/s
GPU Memory Speed 2000MHz 1200MHz
GPU Render Output Units (ROPs) 128 32
No. of Supported Displays 4 6
Performance Performance ASRock Radeon RX 6800 XT Phantom Gaming D OC Gigabyte Radeon HD 7870 OC
GPU Base Clock Speed 1875MHz 1100MHz
Pixel Rate 295.7 GPixel/s 35.2 GPixel/s
FLOPS (Floating-point Performance) 21.29 TFLOPS 2.82 TFLOPS
GPU Memory Speed 2000MHz 1200MHz
Texture Filter Rate 665.3 GTexels/s 88 GTexels/s
Total GPU Shading Units 4608 1280
Total GPU TMUs 288 80
GPU Boost Clock Speed 2310MHz Not Known
GPU Render Output Units (ROPs) 128 32
DPFP (Double Precision Floating Point) Support No Yes
Features Features ASRock Radeon RX 6800 XT Phantom Gaming D OC Gigabyte Radeon HD 7870 OC
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 Phantom Gaming D OC Gigabyte Radeon HD 7870 OC
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 Not Known
DisplayPort Output 3 0
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 1
Mini DisplayPort Output 0 2
General info General info ASRock Radeon RX 6800 XT Phantom Gaming D OC Gigabyte Radeon HD 7870 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 330mm 280mm
Height 140mm 130mm
Memory Memory ASRock Radeon RX 6800 XT Phantom Gaming D OC Gigabyte Radeon HD 7870 OC
Effective Memory Clock 16000MHz 4800MHz
Max Memory Bandwidth 512GB/s 154GB/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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