AMD Radeon RX 7900 XTX vs Nvidia GeForce RTX 4090


AMD Radeon RX 7900 XTX on Amazon USA
Nvidia GeForce RTX 4090 on Amazon USA

Comparison of the technical characteristics between the graphics cards, with AMD Radeon RX 7900 XTX on one side and Nvidia GeForce RTX 4090 on the other side, also their respective performances with the benchmarks. The first is dedicated to the desktop sector, it has 6144 shading units, a maximum frequency of 2.5 GHz, its lithography is 5 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 AMD Radeon RX 7900 XTX Nvidia GeForce RTX 4090
Market (main) Desktop Desktop
Release date Q4 2022 Q3 2022
Model number 215-145000146,
Navi 31 XTX
AD102-300-A1
GPU name Navi 31 AD102
Architecture RDNA 3.0 Ada Lovelace
Generation Navi III RX 7000 GeForce 40
Lithography 5 nm 5 nm
Transistors 57,700,000,000 76,300,000,000
Bus interface PCIe 4.0 x16 PCIe 4.0 x16
GPU base clock 1,855 MHz 2,235 MHz
GPU boost clock 2,499 MHz 2,520 MHz
Memory frequency 2,500 MHz 1,325 MHz
Effective memory speed 20 Gbps 21 Gbps
Memory size 24 GB 24 GB
Memory type GDDR6 GDDR6X
Memory bus 384 bit 384 bit
Memory bandwidth 960.0 GB/s 1,008.0 GB/s
TDP 355 W 450 W
Suggested PSU800W ATX Power Supply 850W ATX Power Supply
Multicard technology - -
Outputs

1x HDMI
2x DisplayPort
1x USB Type-C

1x HDMI
3x DisplayPort
Max display resolution

7680 × 4320@60Hz (DP),
3840 x 2160@144Hz (DP),
7680 × 4320@60Hz (HDMI),
3840 x 2160@120Hz (HDMI)

3840 × 2160@240Hz (DP),
7680 x 4320@60Hz (DP),
7680 x 4320@120Hz (2x DP),
7680 x 4320@60Hz (HDMI)
Video decoding H.265, HEVC, H.264 4K H.264, AV1, HEVC
Video encoding H.265, HEVC, H.264 4K H.264, AV1, HEVC
Cores (compute units, SM, SMX) 96 128
Shading units (cuda cores) 6,144 16,834
TMUs 384 512
ROPs 192 176
RT cores 96 128
Cache memory 96 MB 72 MB
Pixel fillrate 479.8 GP/s 443.5 GP/s
Texture fillrate 959.6 GT/s 1,290.2 GT/s
Performance FP16 (half) 122.8 TFLOPS 82.6 TFLOPS
Performance FP32 (float) 61.4 TFLOPS 82.6 TFLOPS
Performance FP64 (double) 1.9 TFLOPS 1.3 TFLOPS
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.


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
AMD Radeon RX 7900 XTX 61,415


The difference is 34%.


Single-precision floating-point format, also called 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. FP32 power helps assess the video card's capabilities for generating rendering workloads. Video games use INT32 and FP32 cores to manage calculations with integers and numbers with decimals in order to produce maps, bone matrices on which the vertex shaders will calculate the vertices. Values in single precision format are mainly used in video games and 3D software.


See also:

AMD Radeon RX 7900 XT

Nvidia GeForce RTX 4090 DNvidia GeForce RTX 4090 Founders EditionNvidia GeForce RTX 4090 Max-QNvidia GeForce RTX 4090 MobileNvidia GeForce RTX 4090 Ti

Equivalence:

AMD Radeon RX 7900 XTX Nvidia EquivalentNvidia GeForce RTX 4090 AMD Equivalent




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