AMD Radeon RX 7900 XT vs Nvidia GeForce RTX 4080


AMD Radeon RX 7900 XT on Amazon USA
Nvidia GeForce RTX 4080 on Amazon USA

Comparison of the technical characteristics between the graphics cards, with AMD Radeon RX 7900 XT on one side and Nvidia GeForce RTX 4080 on the other side. The first is dedicated to the desktop sector, it has 12288 shading units, a maximum frequency of 2.7 GHz, its lithography is 5 nm. The second is used on the desktop segment, it includes 10240 shading units, a maximum frequency of 2.4 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.







Specifications:


Warning: the information concerning AMD Radeon RX 7900 XT comes in part from rumor-based sources.


Graphics card AMD Radeon RX 7900 XT Nvidia GeForce RTX 4080
Market (main) Desktop Desktop
Release date Q4 2022 Q3 2022
Model number Navi 31 XT AD103-300-A1
GPU name Navi 31 AD103
Architecture RDNA 3.0 Lovelace
Generation Navi III RX 7000 GeForce 40
Lithography 5 nm 5 nm
Bus interface PCIe 4.0 x16 PCIe 4.0 x16
GPU base clock 2.50 GHz 2.03 GHz
GPU boost clock 2.70 GHz 2.38 GHz
Memory frequency 2,250 MHz 1,325 MHz
Effective memory speed 18 GB/s 21.2 GB/s
Memory size 24 GB 16 GB
Memory type GDDR6 GDDR6X
Memory bus 384 bit 256 bit
Memory bandwidth 864.0 GB/s 678.4 GB/s
TDP 300 W 420 W
Suggested PSU750W ATX Power Supply 850W ATX Power Supply
Multicard technology - -
Outputs

1x HDMI
3x DisplayPort

1x HDMI
3x DisplayPort
Cores (compute units, SM, SMX) 192 80
Shading units (cuda cores) 12,288 10,240
TMUs 768 320
ROPs 256 96
RT cores 192 80
Cache memory 512 MB 64 MB
Pixel fillrate 691.2 GP/s 228.0 GP/s
Texture fillrate 2,074.0 GT/s 760.0 GT/s
Performance FP16 (half) 132.7 TFLOPS 48.6 TFLOPS
Performance FP32 (float) 66.4 TFLOPS 48.6 TFLOPS
Performance FP64 (double) 4.1 TFLOPS 760 GFLOPS
Amazon
eBay






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
AMD Radeon RX 7900 XT 66,360
Nvidia GeForce RTX 4080 48,640


The difference is 36%.


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 4080 Ti

Equivalence:

AMD Radeon RX 7900 XT Nvidia equivalentNvidia GeForce RTX 4080 AMD equivalent




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