XFX Radeon Pro Duo vs Nvidia GeForce GTX 645 OEM

VS
XFX Radeon Pro Duo
XFX Radeon Pro Duo Image
Nvidia GeForce GTX 645 OEM
Nvidia GeForce GTX 645 OEM Image
XFX Radeon Pro Duo
Nvidia GeForce GTX 645 OEM
Key Differences Key Differences XFX Radeon Pro Duo Nvidia GeForce GTX 645 OEM
GPU Base Clock Speed 1000MHz 823MHz
GPU Boost Clock Speed Not Known 888MHz
Pixel Rate 128 GPixel/s 9.88 GPixel/s
GPU Memory Speed 500MHz 1000MHz
GPU Render Output Units (ROPs) 128 16
No. of Supported Displays 6 4
Performance Performance XFX Radeon Pro Duo Nvidia GeForce GTX 645 OEM
GPU Base Clock Speed 1000MHz 823MHz
Pixel Rate 128 GPixel/s 9.88 GPixel/s
FLOPS (Floating-point Performance) 16.38 TFLOPS 0.95 TFLOPS
Texture Filter Rate 512 GTexels/s 39.5 GTexels/s
GPU Memory Speed 500MHz 1000MHz
Total GPU Shading Units 8192 576
Total GPU TMUs 512 48
GPU Render Output Units (ROPs) 128 16
GPU Boost Clock Speed Not Known 888MHz
DPFP (Double Precision Floating Point) Support No No
Features Features XFX Radeon Pro Duo Nvidia GeForce GTX 645 OEM
DirectX Version Info 12 11
OpenGL Driver Version 4.5 4.3
OpenCL Driver Version 2.1 1.1
Multi-display Tech Support Yes Yes
3D Support Yes Yes
No. of Supported Displays 6 4
PassMark (G3D) Score Not Known 1977
PassMark (DirectCompute) Benchmark Result Not Known 943
Ray Tracing Support No No
Ports Ports XFX Radeon Pro Duo Nvidia GeForce GTX 645 OEM
HDMI Output Support Yes Yes
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 XFX Radeon Pro Duo Nvidia GeForce GTX 645 OEM
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 8900 million 2540 million
Semiconductor Size 28nm 28nm
PCI Express Version 3 3
Dual-GPU Support Yes No
Air-water Cooling Support Yes No
Width Size 281mm 145mm
Height 116.5mm 111mm
Memory Memory XFX Radeon Pro Duo Nvidia GeForce GTX 645 OEM
Effective Memory Clock 1000MHz 4000MHz
Max Memory Bandwidth 1024GB/s 64GB/s
RAM 8GB 1GB
Memory Bus Interface Width 4096bit 128bit
GDDR Memory Version Not Known 5
ECC (Error-Correcting Code) Memory Support No No

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