Nvidia A100 PCIe 40GB vs Nvidia GeForce RTX 4090

Nvidia A100 PCIe 40GB on Amazon USA
Nvidia GeForce RTX 4090 on Amazon USA

Comparison of the technical characteristics between the graphics cards, with Nvidia A100 PCIe 40GB on one side and Nvidia GeForce RTX 4090 on the other side. The first is dedicated to the desktop sector, it has 6912 shading units, a maximum frequency of 1.4 GHz, its lithography is 7 nm. The second is used on the desktop segment, it includes 16834 shading units, a maximum frequency of 2.5 GHz, its lithography is 5 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 Nvidia A100 PCIe 40GB Nvidia GeForce RTX 4090
Market (main) Desktop Desktop
Release date Q2 2020 Q3 2022
Model number A100 PCIe, Tesla A100 40GB AD102-300-A1
GPU name GA100 AD102
Architecture Ampere Ada Lovelace
Generation Tesla Axx GeForce 40
Lithography 7 nm 5 nm
Transistors 54,200,000,000 76,300,000,000
Bus interface PCIe 4.0 x16 PCIe 4.0 x16
GPU base clock 765 MHz 2,235 MHz
GPU boost clock 1,410 MHz 2,520 MHz
Memory frequency 1,215 MHz 1,325 MHz
Effective memory speed 2.4 Gbps 21 Gbps
Memory size 40 GB 24 GB
Memory type HBM2e GDDR6X
Memory bus 5120 bit 384 bit
Memory bandwidth 1,555.0 GB/s 1,008.0 GB/s
TDP 250 W 450 W
Suggested PSU650W ATX Power Supply 850W ATX Power Supply
Multicard technology NVLink -
Max display resolution


3840 × 2160@240Hz (DP),
7680 x 4320@60Hz (DP),
7680 x 4320@120Hz (2x DP),
7680 x 4320@60Hz (HDMI)
Video decoding - H.264, AV1, HEVC
Video encoding - H.264, AV1, HEVC
Cores (compute units, SM, SMX) 108 128
Shading units (cuda cores) 6,912 16,834
TMUs 432 512
ROPs 160 176
Tensor cores 432 512
Cache memory 40 MB 72 MB
Pixel fillrate 225.6 GP/s 443.5 GP/s
Texture fillrate 609.1 GT/s 1,290.2 GT/s
Performance FP16 (half) 78.0 TFLOPS 82.6 TFLOPS
Performance FP32 (float) 19.5 TFLOPS 82.6 TFLOPS
Performance FP64 (double) 9.7 TFLOPS 1.3 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.

Performance comparison with the benchmarks:

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

FP32 Performance in GFLOPS
Nvidia GeForce RTX 4090 82,575
Nvidia A100 PCIe 40GB 19,492

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 Max-QNvidia GeForce RTX 4090 MobileNvidia GeForce RTX 4090 Ti


Nvidia A100 PCIe 40GB AMD equivalentNvidia GeForce RTX 4090 AMD equivalent

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