Gigabyte Radeon RX 6800 vs Gigabyte HD 6450 1GB Rev. 2

VS
Gigabyte Radeon RX 6800
Gigabyte Radeon RX 6800 Image
Gigabyte HD 6450 1GB Rev. 2
Gigabyte HD 6450 1GB Rev. 2 Image
Gigabyte Radeon RX 6800
Gigabyte HD 6450 1GB Rev. 2
Key Differences Key Differences Gigabyte Radeon RX 6800 Gigabyte HD 6450 1GB Rev. 2
GPU Base Clock Speed 1372MHz 625MHz
GPU Boost Clock Speed 2105MHz Not Known
Pixel Rate 202.1 GPixel/s 3 GPixel/s
GPU Memory Speed 2000MHz 500MHz
GPU Render Output Units (ROPs) 96 4
No. of Supported Displays 4 4
Performance Performance Gigabyte Radeon RX 6800 Gigabyte HD 6450 1GB Rev. 2
GPU Base Clock Speed 1372MHz 625MHz
Pixel Rate 202.1 GPixel/s 3 GPixel/s
FLOPS (Floating-point Performance) 16.17 TFLOPS 0.24 TFLOPS
Texture Filter Rate 505.2 GTexels/s 6 GTexels/s
GPU Memory Speed 2000MHz 500MHz
Total GPU Shading Units 3840 160
Total GPU TMUs 240 8
GPU Boost Clock Speed 2105MHz Not Known
GPU Render Output Units (ROPs) 96 4
DPFP (Double Precision Floating Point) Support No No
Features Features Gigabyte Radeon RX 6800 Gigabyte HD 6450 1GB Rev. 2
DirectX Version Info 12 11
OpenGL Driver Version 4.6 4.2
OpenCL Driver Version 2 1.2
Multi-display Tech Support Yes Yes
3D Support Yes No
Ray Tracing Support Yes No
No. of Supported Displays 4 4
PassMark (G3D) Score Not Known 292
GPU Temperature Under Load Not Known 59°C
PassMark (DirectCompute) Benchmark Result Not Known 172
Idle GPU Temperature Not Known 39°C
Noise Level Under Load Not Known 47.7dB
Power Consumption Under Peak Load Not Known 178W
Idle Power Consumption Not Known 144W
Idle Noise Level Not Known 41.4dB
Multi-GPU Support Count Not Known 2
SmallLuxGPU (2.0d4) Result Not Known 1150
Miscellaneous Miscellaneous Gigabyte Radeon RX 6800 Gigabyte HD 6450 1GB Rev. 2
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Gigabyte Radeon RX 6800 Gigabyte HD 6450 1GB Rev. 2
HDMI Output Support Yes No
GPU HDMI Version 2.1 Not Known
DisplayPort Output 2 1
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 1
Mini DisplayPort Output 0 0
General info General info Gigabyte Radeon RX 6800 Gigabyte HD 6450 1GB Rev. 2
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 26800 million 370 million
Semiconductor Size 7nm 40nm
PCI Express Version 4 2
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 267mm 168mm
Height 120mm 100mm
Memory Memory Gigabyte Radeon RX 6800 Gigabyte HD 6450 1GB Rev. 2
Effective Memory Clock 16000MHz 1000MHz
Max Memory Bandwidth 512GB/s 8GB/s
RAM 16GB 1GB
Memory Bus Interface Width 256bit 64bit
GDDR Memory Version 6 3
ECC (Error-Correcting Code) Memory Support No No

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