AMD Radeon RX Vega 64 Liquid Cooling vs Nvidia GeForce GT 645

AMD Radeon RX Vega 64 Liquid Cooling on Amazon USA
Nvidia GeForce GT 645 on Amazon USA

Comparison of the technical characteristics between the graphics cards, with AMD Radeon RX Vega 64 Liquid Cooling on one side and Nvidia GeForce GT 645 on the other side. The first is dedicated to the desktop sector, it has 4096 shading units, a maximum frequency of 1.7 GHz, its lithography is 14 nm. The second is used on the desktop segment, it includes 288 shading units, a maximum frequency of 0.8 GHz, its lithography is 40 nm. The following table also compares the boost clock, the number of shading units (if indicated), of execution units, the amount of cache memory, the maximum memory capacity, the memory bus width, the release date, the number of PCIe lanes, the values ​​obtained in various benchmarks.

Specification comparison:

Graphics card AMD Radeon RX Vega 64 Liquid Cooling Nvidia GeForce GT 645
Market (main) Desktop Desktop
Release date Q3 2017 Q2 2012
Model number Vega 10 XTX GK107-300-A2
GPU name Vega 10 GF114
Architecture GCN 5.0 Fermi 2.0
Generation RX Vega GeForce 600
Lithography 14 nm 40 nm
Transistors 12,500,000,000 1,950,000,000
Bus interface PCIe 3.0 x16 PCIe 2.0 x16
GPU base clock 1,406 MHz 776 MHz
GPU boost clock 1,677 MHz 776 MHz
Memory frequency 945 MHz 957 MHz
Effective memory speed 1.9 Gbps 3.8 Gbps
Memory size 8 GB 1 GB
Memory type HBM2 DDR3
Memory bus 2048 bit 192 bit
Memory bandwidth 483.8 GB/s 91.9 GB/s
TDP 345 W 102 W
Suggested PSU700W ATX Power Supply 450W ATX Power Supply
Multicard technology - -

3x DisplayPort

2x DVI
1x mini-HDMI
Maximum GPU Temperature 85°C 102°C
Cores (compute units, SM, SMX) 64 6
Shading units (cuda cores) 4,096 288
TMUs 256 48
ROPs 64 24
Cache memory 4 MB 384 KB
Pixel fillrate 107.3 GP/s 9.3 GP/s
Texture fillrate 429.3 GT/s 37.3 GT/s
Performance FP32 (float) 13.7 TFLOPS 894 GFLOPS
Performance FP64 (double) 858.6 GFLOPS 74.5 GFLOPS

Price: For technical reasons, we cannot currently display a price less than 24 hours, or a real-time price. This is why we prefer for the moment not to show a price. You should refer to the respective online stores for the latest price, as well as availability.

We can better compare what are the technical differences between the two graphics cards.

Performance comparison with the benchmarks:

Performance comparison between the two processors, for this we consider the results generated on benchmark software such as Geekbench 4.

FP32 Performance in GFLOPS
AMD Radeon RX Vega 64 Liquid Cooling 13,740
Nvidia GeForce GT 645 894

The difference is 1437%.

Single precision floating point format, also known as FP32, is a computer number format that typically occupies 32 bits in PC memory. This represents a wide dynamic range of numeric values that employs a floating point.

See also:

Nvidia GeForce GT 640Nvidia GeForce GT 640MNvidia GeForce GT 640M LENvidia GeForce GT 645M


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