Zotac Gaming GeForce RTX 2080 vs Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB

VS
Zotac Gaming GeForce RTX 2080
Zotac Gaming GeForce RTX 2080 Image
Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB Image
Zotac Gaming GeForce RTX 2080
Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
Key Differences Key Differences Zotac Gaming GeForce RTX 2080 Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
GPU Base Clock Speed 1515MHz 720MHz
GPU Boost Clock Speed 1710MHz Not Known
Pixel Rate 109.4 GPixel/s 6.38 GPixel/s
GPU Memory Speed 1750MHz 891MHz
GPU Render Output Units (ROPs) 64 Not Known
No. of Supported Displays 4 Not Known
Performance Performance Zotac Gaming GeForce RTX 2080 Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
GPU Base Clock Speed 1515MHz 720MHz
Pixel Rate 109.4 GPixel/s 6.38 GPixel/s
FLOPS (Floating-point Performance) 10.07 TFLOPS 0.61 TFLOPS
Texture Filter Rate 314.6 GTexels/s 17 GTexels/s
GPU Memory Speed 1750MHz 891MHz
Total GPU Shading Units 2944 144
Total GPU TMUs 184 Not Known
GPU Boost Clock Speed 1710MHz Not Known
GPU Render Output Units (ROPs) 64 Not Known
DPFP (Double Precision Floating Point) Support No No
Show more specs
Features Features Zotac Gaming GeForce RTX 2080 Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
DirectX Version Info 12 11
OpenGL Driver Version 4.5 4.3
OpenCL Driver Version 1.2 Not Known
Multi-display Tech Support Yes No
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
PassMark (G3D) Score Not Known 644
PassMark (DirectCompute) Benchmark Result Not Known 1297
Ray Tracing Support No No
Show more specs
Miscellaneous Miscellaneous Zotac Gaming GeForce RTX 2080 Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Zotac Gaming GeForce RTX 2080 Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
HDMI Output Support Yes Yes
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 0
Show more specs
General info General info Zotac Gaming GeForce RTX 2080 Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 13600 million 1270 million
Semiconductor Size 12nm 28nm
PCI Express Version 3 2
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 268mm 145mm
Height 113mm 111mm
Show more specs
Memory Memory Zotac Gaming GeForce RTX 2080 Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
Effective Memory Clock 14000MHz 1782MHz
Max Memory Bandwidth 448GB/s 43GB/s
RAM 8GB 2GB
Memory Bus Interface Width 256bit 192bit
GDDR Memory Version 6 Not Known
ECC (Error-Correcting Code) Memory Support No No
Show more specs

Similar Comparisons