Home GPU Comparison NVIDIA GeForce RTX 5090 vs AMD Radeon RX 8800 XT

NVIDIA GeForce RTX 5090 vs AMD Radeon RX 8800 XT

We compared two Desktop platform GPUs: 32GB VRAM GeForce RTX 5090 and 16GB VRAM Radeon RX 8800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5090 's Advantages
Boost Clock has increased by 4% (2520MHz vs 2430MHz)
More VRAM (32GB vs 16GB)
Larger VRAM bandwidth (1.52TB/s vs 624.1GB/s)
17664 additional rendering cores
AMD Radeon RX 8800 XT 's Advantages
Lower TDP (220W vs 500W)

Score

Benchmark

FP32 (float)
GeForce RTX 5090 +450%
109.7 TFLOPS
Radeon RX 8800 XT
19.91 TFLOPS
VS

Graphics Card

Jan 2025
Release Date
Unknown
GeForce 50
Generation
Navi IV(RX 8000)
Desktop
Type
Desktop
PCIe 5.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

2235 MHz
Base Clock
1295 MHz
2520 MHz
Boost Clock
2430 MHz
1875 MHz
Memory Clock
2438 MHz

Memory

32GB
Memory Size
16GB
GDDR7
Memory Type
GDDR6
512bit
Memory Bus
256bit
1.52TB/s
Bandwidth
624.1GB/s

Render Config

-
Compute Units
64
170
SM Count
-
21760
Shading Units
4096
680
TMUs
256
192
ROPs
96
680
Tensor Cores
-
170
RT Cores
64
128 KB (per SM)
L1 Cache
128 KB per Array
88 MB
L2 Cache
4 MB
-
L3 Cache
64 MB

Theoretical Performance

483.8 GPixel/s
Pixel Rate
233.3 GPixel/s
1714 GTexel/s
Texture Rate
622.1 GTexel/s
109.7 TFLOPS
FP16 (half)
39.81 TFLOPS
109.7 TFLOPS
FP32 (float)
19.91 TFLOPS
1.714 TFLOPS
FP64 (double)
622.1 GFLOPS

Board Design

500W
TDP
220W
900 W
Suggested PSU
550 W
1x HDMI 2.13x DisplayPort 1.4a
Outputs
1x HDMI 2.1a3x DisplayPort 2.1
1x 16-pin
Power Connectors
2x 8-pin

Graphics Processor

GB202
GPU Name
Navi 48
GB202-400-A1
GPU Variant
Navi 48 XT
Blackwell 2.0
Architecture
RDNA 4.0
TSMC
Foundry
TSMC
4 nm
Process Size
4 nm
Unknown
Transistors
Unknown
Unknown
Die Size
Unknown

Graphics Features

12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
2.2
1.3
Vulkan
1.3
10.1
CUDA
-
6.8
Shader Model
6.8

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