Gainward GeForce RTX 3090 Phantom vs Zotac GeForce GTX 950

VS
Gainward GeForce RTX 3090 Phantom
Gainward GeForce RTX 3090 Phantom Image
Zotac GeForce GTX 950
Zotac GeForce GTX 950 Image
Gainward GeForce RTX 3090 Phantom
Zotac GeForce GTX 950
Key Differences Key Differences Gainward GeForce RTX 3090 Phantom Zotac GeForce GTX 950
GPU Base Clock Speed 1395MHz 1089MHz
GPU Boost Clock Speed 1740MHz 1266MHz
Pixel Rate 194.9 GPixel/s 34.8 GPixel/s
GPU Memory Speed 1219MHz 1653MHz
GPU Render Output Units (ROPs) 112 32
No. of Supported Displays Not Known 4
Performance Performance Gainward GeForce RTX 3090 Phantom Zotac GeForce GTX 950
GPU Base Clock Speed 1395MHz 1089MHz
Pixel Rate 194.9 GPixel/s 34.8 GPixel/s
FLOPS (Floating-point Performance) 36.53 TFLOPS 1.67 TFLOPS
GPU Memory Speed 1219MHz 1653MHz
Texture Filter Rate 570.7 GTexels/s 52.3 GTexels/s
Total GPU Shading Units 10496 768
Total GPU TMUs 328 48
GPU Boost Clock Speed 1740MHz 1266MHz
GPU Render Output Units (ROPs) 112 32
DPFP (Double Precision Floating Point) Support No No
Features Features Gainward GeForce RTX 3090 Phantom Zotac GeForce GTX 950
DirectX Version Info 12 12
OpenGL Driver Version 4.6 4.5
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 4
Ports Ports Gainward GeForce RTX 3090 Phantom Zotac GeForce GTX 950
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 Phantom Zotac GeForce GTX 950
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 28300 million 2940 million
Semiconductor Size 8nm 28nm
PCI Express Version 4 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 304mm 174mm
Height 136mm 111.15mm
Memory Memory Gainward GeForce RTX 3090 Phantom Zotac GeForce GTX 950
Effective Memory Clock 9750MHz 6612MHz
Max Memory Bandwidth 936GB/s 105.8GB/s
RAM 24GB 2GB
Memory Bus Interface Width 384bit 128bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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