Gigabyte Aorus GeForce RTX 2080 Xtreme 8GB vs Zotac GeForce GT 640 2GB

VS
Gigabyte Aorus GeForce RTX 2080 Xtreme 8GB
Gigabyte Aorus GeForce RTX 2080 Xtreme 8GB Image
Zotac GeForce GT 640 2GB
Zotac GeForce GT 640 2GB Image
Gigabyte Aorus GeForce RTX 2080 Xtreme 8GB
Zotac GeForce GT 640 2GB
Key Differences Key Differences Gigabyte Aorus GeForce RTX 2080 Xtreme 8GB Zotac GeForce GT 640 2GB
GPU Base Clock Speed 1515MHz 1046MHz
GPU Boost Clock Speed 1890MHz Not Known
Pixel Rate 121 GPixel/s 7.22 GPixel/s
GPU Memory Speed 1750MHz 1250MHz
GPU Render Output Units (ROPs) 64 16
No. of Supported Displays 4 Not Known
Performance Performance Gigabyte Aorus GeForce RTX 2080 Xtreme 8GB Zotac GeForce GT 640 2GB
GPU Base Clock Speed 1515MHz 1046MHz
Pixel Rate 121 GPixel/s 7.22 GPixel/s
FLOPS (Floating-point Performance) 11.13 TFLOPS 0.69 TFLOPS
Texture Filter Rate 347.8 GTexels/s 28.8 GTexels/s
GPU Memory Speed 1750MHz 1250MHz
Total GPU Shading Units 2944 384
Total GPU TMUs 184 32
GPU Boost Clock Speed 1890MHz Not Known
GPU Render Output Units (ROPs) 64 16
DPFP (Double Precision Floating Point) Support No No
Features Features Gigabyte Aorus GeForce RTX 2080 Xtreme 8GB Zotac GeForce GT 640 2GB
DirectX Version Info 12 11
OpenGL Driver Version 4.5 4.3
OpenCL Driver Version 1.2 1.1
Multi-display Tech Support Yes Yes
GPU Temperature Under Load 74°C Not Known
Idle GPU Temperature 30°C Not Known
3D Support Yes Yes
Noise Level Under Load 45dB Not Known
Idle Noise Level 40.3dB Not Known
Idle Power Consumption 53W Not Known
Multi-GPU Support Count 2 Not Known
No. of Supported Displays 4 Not Known
Ray Tracing Support No No
Miscellaneous Miscellaneous Gigabyte Aorus GeForce RTX 2080 Xtreme 8GB Zotac GeForce GT 640 2GB
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Gigabyte Aorus GeForce RTX 2080 Xtreme 8GB Zotac GeForce GT 640 2GB
HDMI Output Support Yes Yes
GPU HDMI Version 2 Not Known
DisplayPort Output 3 0
No. of HDMI Ports 3 Not Known
DVI Output Ports 0 1
Mini DisplayPort Output 0 0
General info General info Gigabyte Aorus GeForce RTX 2080 Xtreme 8GB Zotac GeForce GT 640 2GB
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 13600 million 1270 million
Semiconductor Size 12nm 28nm
PCI Express Version 3 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 290mm 145mm
Height 134.31mm 111mm
Memory Memory Gigabyte Aorus GeForce RTX 2080 Xtreme 8GB Zotac GeForce GT 640 2GB
Effective Memory Clock 14000MHz 5000MHz
Max Memory Bandwidth 448GB/s 28.5GB/s
RAM 8GB 2GB
Memory Bus Interface Width 256bit 128bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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