Nvidia GeForce RTX 3090 vs Nvidia GeForce RTX 4080 16GB

Nvidia GeForce RTX 3090 on Amazon USA
Nvidia GeForce RTX 4080 16GB on Amazon USA

Comparison of the technical characteristics between the graphics cards, with Nvidia GeForce RTX 3090 on one side and Nvidia GeForce RTX 4080 16GB on the other side. The first is dedicated to the desktop sector, it has 10496 shading units, a maximum frequency of 1.7 GHz, its lithography is 8 nm. The second is used on the desktop segment, it includes 9728 shading units, a maximum frequency of 2.5 GHz, its lithography is 4 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 3090 Nvidia GeForce RTX 4080 16GB
Market (main) Desktop Desktop
Release date Q3 2020 Q4 2022
Model number GA102-300-A1 AD103-300-A1
GPU name GA102 AD103
Architecture Ampere Ada Lovelace
Generation GeForce 30 GeForce 40
Lithography 8 nm 4 nm
Transistors 28,300,000,000 45,900,000,000
Bus interface PCIe 4.0 x16 PCIe 4.0 x16
GPU base clock 1.40 GHz 2.21 GHz
GPU boost clock 1.70 GHz 2.51 GHz
Memory frequency 1,219 MHz 1,400 MHz
Effective memory speed 19.5 GB/s 22.4 GB/s
Memory size 24 GB 16 GB
Memory type GDDR6X GDDR6X
Memory bus 384 bit 256 bit
Memory bandwidth 936.2 GB/s 716.8 GB/s
TDP 350 W 320 W
Suggested PSU750W ATX Power Supply 750W ATX Power Supply
Multicard technology 2-way NVLink -

3x DisplayPort

3x DisplayPort
Cores (compute units, SM, SMX) 82 76
Shading units (cuda cores) 10,496 9,728
TMUs 328 304
ROPs 112 112
Tensor cores 328 304
RT cores 82 76
Cache memory 6 MB 64 MB
Pixel fillrate 189.8 GP/s 280.6 GP/s
Texture fillrate 556.0 GT/s 761.5 GT/s
Performance FP16 (half) 35.6 TFLOPS 48.7 TFLOPS
Performance FP32 (float) 35.6 TFLOPS 48.7 TFLOPS
Performance FP64 (double) 556 GFLOPS 761.5 GFLOPS
Ray-tracing performance 71.1 TFLOPS 112.7 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 4080 16GB 48,740
Nvidia GeForce RTX 3090 35,580

The difference is 37%.

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 3090 Ti


Nvidia GeForce RTX 3090 AMD equivalentNvidia GeForce RTX 4080 16GB AMD equivalent

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