Home GPU Comparison AMD Radeon RX 7900 XTX vs NVIDIA GeForce RTX 5080

AMD Radeon RX 7900 XTX vs NVIDIA GeForce RTX 5080

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7900 XTX and 16GB VRAM GeForce RTX 5080 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XTX 's Advantages
More VRAM (24GB vs 16GB)
Larger VRAM bandwidth (960.0GB/s vs 160.0GB/s)
NVIDIA GeForce RTX 5080 's Advantages
Released 2 years and 2 months late
Boost Clock has increased by 1% (2520MHz vs 2498MHz)
4608 additional rendering cores
Lower TDP (350W vs 355W)

Score

Benchmark

FP32 (float)
Radeon RX 7900 XTX +13%
61.39 TFLOPS
GeForce RTX 5080
54.19 TFLOPS
VS

Graphics Card

Nov 2022
Release Date
Jan 2025
Navi III
Generation
GeForce 50
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 5.0 x16

Clock Speeds

1929 MHz
Base Clock
2235 MHz
2498 MHz
Boost Clock
2520 MHz
2500 MHz
Memory Clock
2500 MHz

Memory

24GB
Memory Size
16GB
GDDR6
Memory Type
GDDR7
384bit
Memory Bus
256bit
960.0GB/s
Bandwidth
160.0GB/s

Render Config

-
SM Count
84
96
Compute Units
-
6144
Shading Units
10752
384
TMUs
336
192
ROPs
128
-
Tensor Cores
336
96
RT Cores
84
256 KB per Array
L1 Cache
128 KB (per SM)
6 MB
L2 Cache
64 MB

Theoretical Performance

479.6 GPixel/s
Pixel Rate
322.6 GPixel/s
959.2 GTexel/s
Texture Rate
846.7 GTexel/s
122.8 TFLOPS
FP16 (half)
54.19 TFLOPS
61.39 TFLOPS
FP32 (float)
54.19 TFLOPS
1.918 TFLOPS
FP64 (double)
846.7 GFLOPS

Graphics Processor

Navi 31
GPU Name
GB203
Navi 31 XTX (215-145000146)
GPU Variant
GB203
RDNA 3.0
Architecture
Blackwell 2.0
TSMC
Foundry
TSMC
5 nm
Process Size
0 nm
57.7 billion
Transistors
Unknown
529 mm²
Die Size
Unknown

Board Design

355W
TDP
350W
750 W
Suggested PSU
750 W
1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C
Outputs
1x HDMI 2.1 3x DisplayPort 1.4a
2x 8-pin
Power Connectors
1x 16-pin

Graphics Features

12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.2
OpenCL
3.0
1.3
Vulkan
1.3
-
CUDA
9.1
6.7
Shader Model
6.7

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