Galax GeForce RTX 2080 Ti OC vs Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB
VS
Galax GeForce RTX 2080 Ti OC
Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB
Galax GeForce RTX 2080 Ti OC
Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB
Key Differences | Galax GeForce RTX 2080 Ti OC | Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB |
---|---|---|
GPU Base Clock Speed | 1350MHz | 720MHz |
GPU Boost Clock Speed | 1620MHz | Not Known |
Pixel Rate | 142.6 GPixel/s | 6.38 GPixel/s |
GPU Memory Speed | 1750MHz | 891MHz |
GPU Render Output Units (ROPs) | 88 | Not Known |
No. of Supported Displays | 4 | Not Known |
Performance | Galax GeForce RTX 2080 Ti OC | Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB |
---|---|---|
GPU Base Clock Speed | 1350MHz | 720MHz |
Pixel Rate | 142.6 GPixel/s | 6.38 GPixel/s |
FLOPS (Floating-point Performance) | 14.1 TFLOPS | 0.61 TFLOPS |
GPU Memory Speed | 1750MHz | 891MHz |
Texture Filter Rate | 440.6 GTexels/s | 17 GTexels/s |
Total GPU Shading Units | 4352 | 144 |
Total GPU TMUs | 272 | Not Known |
GPU Boost Clock Speed | 1620MHz | Not Known |
GPU Render Output Units (ROPs) | 88 | Not Known |
DPFP (Double Precision Floating Point) Support | No | No |
Features | Galax GeForce RTX 2080 Ti OC | Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB |
---|---|---|
DirectX Version Info | 12 | 11 |
OpenGL Driver Version | 4.5 | 4.3 |
OpenCL Driver Version | 2 | Not Known |
Multi-display Tech Support | Yes | No |
3D Support | Yes | Yes |
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 | Galax GeForce RTX 2080 Ti OC | Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB |
---|---|---|
No. of USB Ports | 1 | No Data Found |
USB Type-C Support | Yes | No Data Found |
Ports | Galax GeForce RTX 2080 Ti OC | Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB |
---|---|---|
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 |
General info | Galax GeForce RTX 2080 Ti OC | Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB |
---|---|---|
TDP (Thermal Design Point) | No Data Found | No Data Found |
Transistor Count | 18600 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 | 283mm | 145mm |
Height | 139mm | 111mm |
Memory | Galax GeForce RTX 2080 Ti OC | Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB |
---|---|---|
Effective Memory Clock | 14000MHz | 1782MHz |
Max Memory Bandwidth | 616GB/s | 43GB/s |
RAM | 11GB | 3GB |
Memory Bus Interface Width | 352bit | 192bit |
GDDR Memory Version | 6 | Not Known |
ECC (Error-Correcting Code) Memory Support | No | No |
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