Nvidia GeForce GTX 1080 Ti vs PowerColor Radeon R9 295X2

VS
Nvidia GeForce GTX 1080 Ti
Nvidia GeForce GTX 1080 Ti Image
PowerColor Radeon R9 295X2
PowerColor Radeon R9 295X2 Image
Nvidia GeForce GTX 1080 Ti
PowerColor Radeon R9 295X2
Key Differences Key Differences Nvidia GeForce GTX 1080 Ti PowerColor Radeon R9 295X2
GPU Base Clock Speed 1480MHz 1018MHz
GPU Boost Clock Speed 1582MHz Not Known
Pixel Rate 130.2 GPixel/s 130.4 GPixel/s
GPU Memory Speed 1376MHz 1250MHz
GPU Render Output Units (ROPs) 88 128
No. of Supported Displays 3 Not Known
Performance Performance Nvidia GeForce GTX 1080 Ti PowerColor Radeon R9 295X2
GPU Base Clock Speed 1480MHz 1018MHz
Pixel Rate 130.2 GPixel/s 130.4 GPixel/s
FLOPS (Floating-point Performance) 10.6 TFLOPS 11.47 TFLOPS
GPU Memory Speed 1376MHz 1250MHz
Texture Filter Rate 332 GTexels/s 358.4 GTexels/s
Total GPU Shading Units 3584 5632
Total GPU TMUs 224 352
GPU Boost Clock Speed 1582MHz Not Known
GPU Render Output Units (ROPs) 88 128
DPFP (Double Precision Floating Point) Support Yes No
Features Features Nvidia GeForce GTX 1080 Ti PowerColor Radeon R9 295X2
DirectX Version Info 12 12
OpenGL Driver Version 4.5 4.4
OpenCL Driver Version 1.2 2
Multi-display Tech Support Yes Yes
3D Support Yes Yes
Multi-GPU Support Count 4 4
Ray Tracing Support Yes No
No. of Supported Displays 3 Not Known
Ports Ports Nvidia GeForce GTX 1080 Ti PowerColor Radeon R9 295X2
HDMI Output Support Yes No
GPU HDMI Version 2 Not Known
DisplayPort Output 3 0
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 1
Mini DisplayPort Output 0 4
General info General info Nvidia GeForce GTX 1080 Ti PowerColor Radeon R9 295X2
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 12000 million 6200 million
Semiconductor Size 16nm 28nm
PCI Express Version 3 3
Width Size 266.7mm 305mm
Height 111.2mm 110mm
Dual-GPU Support No Yes
Air-water Cooling Support No No
Memory Memory Nvidia GeForce GTX 1080 Ti PowerColor Radeon R9 295X2
Effective Memory Clock 11008MHz 5000MHz
Max Memory Bandwidth 484GB/s 640GB/s
RAM 11GB 8GB
Memory Bus Interface Width 352bit 1024bit
GDDR Memory Version 5 5
ECC (Error-Correcting Code) Memory Support No No

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