Gainward GeForce RTX 3090 Phoenix vs Sapphire Radeon HD 7870 FleX

VS
Gainward GeForce RTX 3090 Phoenix
Gainward GeForce RTX 3090 Phoenix Image
Sapphire Radeon HD 7870 FleX
Sapphire Radeon HD 7870 FleX Image
Gainward GeForce RTX 3090 Phoenix
Sapphire Radeon HD 7870 FleX
Key Differences Key Differences Gainward GeForce RTX 3090 Phoenix Sapphire Radeon HD 7870 FleX
GPU Base Clock Speed 1395MHz 1050MHz
GPU Boost Clock Speed 1695MHz Not Known
Pixel Rate 189.8 GPixel/s 33.6 GPixel/s
GPU Memory Speed 1219MHz 1250MHz
GPU Render Output Units (ROPs) 112 32
No. of Supported Displays Not Known 6
Performance Performance Gainward GeForce RTX 3090 Phoenix Sapphire Radeon HD 7870 FleX
GPU Base Clock Speed 1395MHz 1050MHz
Pixel Rate 189.8 GPixel/s 33.6 GPixel/s
FLOPS (Floating-point Performance) 35.58 TFLOPS 2.69 TFLOPS
GPU Memory Speed 1219MHz 1250MHz
Texture Filter Rate 556 GTexels/s 84 GTexels/s
Total GPU Shading Units 10496 1280
Total GPU TMUs 328 80
GPU Boost Clock Speed 1695MHz Not Known
GPU Render Output Units (ROPs) 112 32
DPFP (Double Precision Floating Point) Support No Yes
Features Features Gainward GeForce RTX 3090 Phoenix Sapphire Radeon HD 7870 FleX
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 3090 Phoenix Sapphire Radeon HD 7870 FleX
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 Not Known
DisplayPort Output 3 1
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 2
Mini DisplayPort Output 0 0
General info General info Gainward GeForce RTX 3090 Phoenix Sapphire Radeon HD 7870 FleX
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 28000 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 260mm
Height 112mm 125mm
Memory Memory Gainward GeForce RTX 3090 Phoenix Sapphire Radeon HD 7870 FleX
Effective Memory Clock 9750MHz 5000MHz
Max Memory Bandwidth 936GB/s 160GB/s
RAM 24GB 2GB
Memory Bus Interface Width 384bit 256bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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