Gigabyte Radeon RX 6800 vs PowerColor Radeon HD 7870 PCS+

VS
Gigabyte Radeon RX 6800
Gigabyte Radeon RX 6800 Image
PowerColor Radeon HD 7870 PCS+
PowerColor Radeon HD 7870 PCS+ Image
Gigabyte Radeon RX 6800
PowerColor Radeon HD 7870 PCS+
Key Differences Key Differences Gigabyte Radeon RX 6800 PowerColor Radeon HD 7870 PCS+
GPU Base Clock Speed 1372MHz 1100MHz
GPU Boost Clock Speed 2105MHz Not Known
Pixel Rate 202.1 GPixel/s 35.2 GPixel/s
GPU Memory Speed 2000MHz 1225MHz
GPU Render Output Units (ROPs) 96 32
No. of Supported Displays 4 6
Performance Performance Gigabyte Radeon RX 6800 PowerColor Radeon HD 7870 PCS+
GPU Base Clock Speed 1372MHz 1100MHz
Pixel Rate 202.1 GPixel/s 35.2 GPixel/s
FLOPS (Floating-point Performance) 16.17 TFLOPS 2.82 TFLOPS
Texture Filter Rate 505.2 GTexels/s 88 GTexels/s
GPU Memory Speed 2000MHz 1225MHz
Total GPU Shading Units 3840 1280
Total GPU TMUs 240 80
GPU Boost Clock Speed 2105MHz Not Known
GPU Render Output Units (ROPs) 96 32
DPFP (Double Precision Floating Point) Support No Yes
Features Features Gigabyte Radeon RX 6800 PowerColor Radeon HD 7870 PCS+
DirectX Version Info 12 11.1
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 6
Multi-GPU Support Count Not Known 2
Miscellaneous Miscellaneous Gigabyte Radeon RX 6800 PowerColor Radeon HD 7870 PCS+
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Gigabyte Radeon RX 6800 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 Gigabyte Radeon RX 6800 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 267mm 241mm
Height 120mm 120mm
Memory Memory Gigabyte Radeon RX 6800 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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