Palit GeForce RTX 3090 GameRock OC vs Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB

VS
Palit GeForce RTX 3090 GameRock OC
Palit GeForce RTX 3090 GameRock OC Image
Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB
Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB Image
Palit GeForce RTX 3090 GameRock OC
Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB
Key Differences Key Differences Palit GeForce RTX 3090 GameRock OC Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB
GPU Base Clock Speed 1395MHz 797MHz
GPU Boost Clock Speed 1845MHz Not Known
Pixel Rate 206.6 GPixel/s 6.38 GPixel/s
GPU Memory Speed 1219MHz 891MHz
GPU Render Output Units (ROPs) 112 16
No. of Supported Displays 4 Not Known
Performance Performance Palit GeForce RTX 3090 GameRock OC Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB
GPU Base Clock Speed 1395MHz 797MHz
Pixel Rate 206.6 GPixel/s 6.38 GPixel/s
FLOPS (Floating-point Performance) 38.73 TFLOPS 0.61 TFLOPS
GPU Memory Speed 1219MHz 891MHz
Texture Filter Rate 605.2 GTexels/s 25.5 GTexels/s
Total GPU Shading Units 10496 384
Total GPU TMUs 328 32
GPU Boost Clock Speed 1845MHz Not Known
GPU Render Output Units (ROPs) 112 16
DPFP (Double Precision Floating Point) Support No No
Features Features Palit GeForce RTX 3090 GameRock OC Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB
DirectX Version Info 12 11
OpenGL Driver Version 4.6 4.3
OpenCL Driver Version 2 Not Known
Multi-display Tech Support Yes No
3D Support Yes Yes
No. of Supported Displays 4 Not Known
PassMark (G3D) Score Not Known 644
PassMark (DirectCompute) Benchmark Result Not Known 1297
Ray Tracing Support Yes No
Ports Ports Palit GeForce RTX 3090 GameRock OC Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 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 General info Palit GeForce RTX 3090 GameRock OC Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 28300 million 1270 million
Semiconductor Size 8nm 28nm
PCI Express Version 4 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 304mm 145mm
Height 136mm 111mm
Memory Memory Palit GeForce RTX 3090 GameRock OC Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB
Effective Memory Clock 19500MHz 1782MHz
Max Memory Bandwidth 936GB/s 28.5GB/s
RAM 24GB 2GB
Memory Bus Interface Width 384bit 128bit
GDDR Memory Version 6 Not Known
ECC (Error-Correcting Code) Memory Support No No

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