Nvidia GeForce RTX 4090 vs Nvidia GeForce RTX 3080 12GB

Nvidia GeForce RTX 4090 on Amazon USA
Nvidia GeForce RTX 3080 12GB on Amazon USA

Comparison of the technical characteristics between the graphics cards, with Nvidia GeForce RTX 4090 on one side and Nvidia GeForce RTX 3080 12GB 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 8960 shading units, a maximum frequency of 1.7 GHz, its lithography is 8 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 GeForce RTX 3080 12GB
Market (main) Desktop Desktop
Release date Q3 2022 Q1 2022
Model number AD102-300-A1 GA102-220-A1
GPU name AD102 GA102
Architecture Lovelace Ampere
Generation GeForce 40 GeForce 30
Lithography 5 nm 8 nm
Bus interface PCIe 4.0 x16 PCIe 4.0 x16
GPU base clock 2.24 GHz 1.26 GHz
GPU boost clock 2.52 GHz 1.71 GHz
Memory frequency 1,325 MHz 1,188 MHz
Effective memory speed 21.2 GB/s 19 GB/s
Memory size 24 GB 12 GB
Memory type GDDR6X GDDR6X
Memory bus 384 bit 384 bit
Memory bandwidth 1,018.0 GB/s 912.4 GB/s
TDP 450 W 350 W
Suggested PSU900W ATX Power Supply 800W ATX Power Supply
Multicard technology - -

3x DisplayPort

3x DisplayPort
Cores (compute units, SM, SMX) 128 70
Shading units (cuda cores) 16,834 8,960
TMUs 512 280
ROPs 192 96
Tensor cores 512 272
RT cores 128 68
Cache memory 96 MB 5 MB
Pixel fillrate 483.8 GP/s 164.2 GP/s
Texture fillrate 1,290.0 GT/s 478.8 GT/s
Performance FP16 (half) 82.6 TFLOPS 30.6 TFLOPS
Performance FP32 (float) 82.6 TFLOPS 30.6 TFLOPS
Performance FP64 (double) 1.3 TFLOPS 478.8 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.

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 GeForce RTX 3080 12GB 30,640

The difference is 170%.

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 GeForce RTX 4090 AMD equivalentNvidia GeForce RTX 3080 12GB AMD equivalent

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