EVGA GeForce RTX 2080 Ti XC2 Ultra vs EVGA GeForce GTX 640 4GB

VS
EVGA GeForce RTX 2080 Ti XC2 Ultra
EVGA GeForce RTX 2080 Ti XC2 Ultra Image
EVGA GeForce GTX 640 4GB
EVGA GeForce GTX 640 4GB Image
EVGA GeForce RTX 2080 Ti XC2 Ultra
EVGA GeForce GTX 640 4GB
Key Differences Key Differences EVGA GeForce RTX 2080 Ti XC2 Ultra EVGA GeForce GTX 640 4GB
GPU Base Clock Speed 1350MHz 900MHz
GPU Boost Clock Speed 1650MHz Not Known
Pixel Rate 145.2 GPixel/s 7.22 GPixel/s
GPU Memory Speed 1750MHz 901MHz
GPU Render Output Units (ROPs) 88 16
No. of Supported Displays 4 Not Known
Performance Performance EVGA GeForce RTX 2080 Ti XC2 Ultra EVGA GeForce GTX 640 4GB
GPU Base Clock Speed 1350MHz 900MHz
Pixel Rate 145.2 GPixel/s 7.22 GPixel/s
FLOPS (Floating-point Performance) 14.36 TFLOPS 0.69 TFLOPS
Texture Filter Rate 448.8 GTexels/s 28.8 GTexels/s
GPU Memory Speed 1750MHz 901MHz
Total GPU Shading Units 4352 384
Total GPU TMUs 272 32
GPU Boost Clock Speed 1650MHz Not Known
GPU Render Output Units (ROPs) 88 16
DPFP (Double Precision Floating Point) Support No No
Features Features EVGA GeForce RTX 2080 Ti XC2 Ultra EVGA GeForce GTX 640 4GB
DirectX Version Info 12 11
OpenGL Driver Version 4.5 4.3
OpenCL Driver Version 2 1.1
Multi-display Tech Support Yes Yes
GPU Temperature Under Load 77°C Not Known
Idle GPU Temperature 31°C Not Known
3D Support Yes Yes
Noise Level Under Load 47.5dB Not Known
Idle Noise Level 41.5dB Not Known
Idle Power Consumption 54W 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
Miscellaneous Miscellaneous EVGA GeForce RTX 2080 Ti XC2 Ultra EVGA GeForce GTX 640 4GB
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports EVGA GeForce RTX 2080 Ti XC2 Ultra EVGA GeForce GTX 640 4GB
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 2
Mini DisplayPort Output 0 0
General info General info EVGA GeForce RTX 2080 Ti XC2 Ultra EVGA GeForce GTX 640 4GB
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 18600 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 269.83mm 170mm
Height 111.15mm 111mm
Memory Memory EVGA GeForce RTX 2080 Ti XC2 Ultra EVGA GeForce GTX 640 4GB
Effective Memory Clock 14000MHz 1802MHz
Max Memory Bandwidth 616GB/s 28.8GB/s
RAM 11GB 4GB
Memory Bus Interface Width 352bit 128bit
GDDR Memory Version 6 Not Known
ECC (Error-Correcting Code) Memory Support No No

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