Gainward GeForce RTX 3070 Phoenix GS vs PowerColor Radeon HD 7870 PCS+

VS
Gainward GeForce RTX 3070 Phoenix GS
Gainward GeForce RTX 3070 Phoenix GS Image
PowerColor Radeon HD 7870 PCS+
PowerColor Radeon HD 7870 PCS+ Image
Gainward GeForce RTX 3070 Phoenix GS
PowerColor Radeon HD 7870 PCS+
Key Differences Key Differences Gainward GeForce RTX 3070 Phoenix GS PowerColor Radeon HD 7870 PCS+
GPU Base Clock Speed 1500MHz 1100MHz
GPU Boost Clock Speed 1770MHz Not Known
Pixel Rate 169.9 GPixel/s 35.2 GPixel/s
GPU Memory Speed 1750MHz 1225MHz
GPU Render Output Units (ROPs) 96 32
No. of Supported Displays Not Known 6
Performance Performance Gainward GeForce RTX 3070 Phoenix GS PowerColor Radeon HD 7870 PCS+
GPU Base Clock Speed 1500MHz 1100MHz
Pixel Rate 169.9 GPixel/s 35.2 GPixel/s
FLOPS (Floating-point Performance) 20.84 TFLOPS 2.82 TFLOPS
GPU Memory Speed 1750MHz 1225MHz
Texture Filter Rate 325.7 GTexels/s 88 GTexels/s
Total GPU Shading Units 5888 1280
Total GPU TMUs 184 80
GPU Boost Clock Speed 1770MHz Not Known
GPU Render Output Units (ROPs) 96 32
DPFP (Double Precision Floating Point) Support No Yes
Features Features Gainward GeForce RTX 3070 Phoenix GS 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
Multi-GPU Support Count Not Known 2
No. of Supported Displays Not Known 6
Ports Ports Gainward GeForce RTX 3070 Phoenix GS PowerColor Radeon HD 7870 PCS+
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 2
Mini DisplayPort Output 0 2
General info General info Gainward GeForce RTX 3070 Phoenix GS PowerColor Radeon HD 7870 PCS+
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 17400 million 2800 million
Semiconductor Size 8nm 28nm
PCI Express Version 4 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 294mm 241mm
Height 112mm 120mm
Memory Memory Gainward GeForce RTX 3070 Phoenix GS PowerColor Radeon HD 7870 PCS+
Effective Memory Clock 7000MHz 4900MHz
Max Memory Bandwidth 448GB/s 157GB/s
RAM 8GB 2GB
Memory Bus Interface Width 256bit 256bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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