Nvidia GeForce RTX 4090 vs Nvidia A100 PCIe

Nvidia GeForce RTX 4090 on Amazon USA
Nvidia A100 PCIe on Amazon USA

Comparison of the technical characteristics between the graphics cards, with Nvidia GeForce RTX 4090 on one side and Nvidia A100 PCIe on the other side. The first is dedicated to the desktop sector, it has 16834 shading units, a maximum frequency of 2.5 GHz, its lithography is 5 nm. The second is used on the desktop segment, it includes 6912 shading units, a maximum frequency of 1.4 GHz, its lithography is 7 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.


Graphics card Nvidia GeForce RTX 4090 Nvidia A100 PCIe
Market (main) Desktop Desktop
Release date Q3 2022 Q2 2020
Model number AD102-300-A1 A100 PCIe
GPU name AD102 GA100
Architecture Lovelace Ampere
Generation GeForce 40 Tesla Axx
Lithography 5 nm 7 nm
Bus interface PCIe 4.0 x16 PCIe 4.0 x16
GPU base clock 2.24 GHz 765 MHz
GPU boost clock 2.52 GHz 1.41 GHz
Memory frequency 1,325 MHz 1,215 MHz
Effective memory speed 21.2 GB/s 2.4 GB/s
Memory size 24 GB 40 GB
Memory type GDDR6X HBM2e
Memory bus 384 bit 5120 bit
Memory bandwidth 1,018.0 GB/s 1,555.0 GB/s
TDP 450 W 250 W
Suggested PSU900W ATX Power Supply 650W ATX Power Supply
Multicard technology - NVLink
Cores (compute units, SM, SMX) 128 108
Shading units (cuda cores) 16,834 6,912
TMUs 512 432
ROPs 192 160
Tensor cores 512 432
Cache memory 96 MB 40 MB
Pixel fillrate 483.8 GP/s 225.6 GP/s
Texture fillrate 1,290.0 GT/s 609.1 GT/s
Performance FP16 (half) 82.6 TFLOPS 78.0 TFLOPS
Performance FP32 (float) 82.6 TFLOPS 19.5 TFLOPS
Performance FP64 (double) 1.3 TFLOPS 9.7 TFLOPS

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.

Performances :

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

FP32 Performance in GFLOPS
Nvidia GeForce RTX 4090 82,580
Nvidia A100 PCIe 19,490

The difference is 324%.

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 RTX 4090 Ti

Nvidia A100 PCIe 80GB


Nvidia GeForce RTX 4090 AMD equivalentNvidia A100 PCIe AMD equivalent

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