Home GPU Comparison NVIDIA GeForce RTX 4090 vs AMD Radeon RX 7800 XT

NVIDIA GeForce RTX 4090 vs AMD Radeon RX 7800 XT

NVIDIA GeForce RTX 4090
VS
AMD Radeon RX 7800 XT
NVIDIA GeForce RTX 4090 AMD Radeon RX 7800 XT
We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 16GB VRAM Radeon RX 7800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 's Advantages
Boost Clock has increased by 4% (2520MHz vs 2430MHz)
More VRAM (24GB vs 16GB)
12544 additional rendering cores
AMD Radeon RX 7800 XT 's Advantages
Released 11 months late
Larger VRAM bandwidth (624.1TB/s vs 1.01TB/s)
Lower TDP (263W vs 450W)

Score

Benchmark

FP32 (float)
GeForce RTX 4090 +121%
82.58 TFLOPS
Radeon RX 7800 XT
37.32 TFLOPS
3DMark Time Spy
GeForce RTX 4090 +82%
36549
Radeon RX 7800 XT
20026
Blender
GeForce RTX 4090 +371%
12921
Radeon RX 7800 XT
2742
Shadow of the Tomb Raider 2160p
GeForce RTX 4090 +120%
185
Radeon RX 7800 XT
84
Shadow of the Tomb Raider 1440p
GeForce RTX 4090 +75%
280
Radeon RX 7800 XT
160
Shadow of the Tomb Raider 1080p
GeForce RTX 4090 +22%
304
Radeon RX 7800 XT
248
Cyberpunk 2077 2160p
GeForce RTX 4090 +118%
94
Radeon RX 7800 XT
43
Cyberpunk 2077 1440p
GeForce RTX 4090 +63%
185
Radeon RX 7800 XT
113
Cyberpunk 2077 1080p
GeForce RTX 4090 +16%
195
Radeon RX 7800 XT
167
GTA 5 2160p
GeForce RTX 4090 +19%
167
Radeon RX 7800 XT
140
GTA 5 1440p
GeForce RTX 4090 +32%
185
Radeon RX 7800 XT
140
GTA 5 1080p
GeForce RTX 4090
186
Radeon RX 7800 XT +2%
190
Horizon Forbidden West 1080p
GeForce RTX 4090 +62%
159
Radeon RX 7800 XT
98
Horizon Forbidden West 1440p
GeForce RTX 4090 +66%
135
Radeon RX 7800 XT
81
Horizon Forbidden West 2160p
GeForce RTX 4090 +76%
92
Radeon RX 7800 XT
52
GeForce RTX 4090
VS
Radeon RX 7800 XT

Graphics Card

Sep 2022
Release Date
Aug 2023
GeForce 40
Generation
Navi III
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

2235 MHz
Base Clock
1295 MHz
2520 MHz
Boost Clock
2430 MHz
1313 MHz
Memory Clock
2438 MHz

Memory

24GB
Memory Size
16GB
GDDR6X
Memory Type
GDDR6
384bit
Memory Bus
256bit
1.01TB/s
Bandwidth
624.1GB/s

Render Config

128
SM Count
-
-
Compute Units
60
16384
Shading Units
3840
512
TMUs
240
176
ROPs
96
512
Tensor Cores
-
128
RT Cores
60
128 KB (per SM)
L1 Cache
128 KB per Array
72 MB
L2 Cache
4 MB

Theoretical Performance

443.5 GPixel/s
Pixel Rate
233.3 GPixel/s
1290 GTexel/s
Texture Rate
583.2 GTexel/s
82.58 TFLOPS
FP16 (half)
74.65 TFLOPS
82.58 TFLOPS
FP32 (float)
37.32 TFLOPS
1290 GFLOPS
FP64 (double)
1166 GFLOPS

Graphics Processor

AD102
GPU Name
Navi 32
AD102-300-A1
GPU Variant
Navi 32 XT (215-180000006)
Ada Lovelace
Architecture
RDNA 3.0
TSMC
Foundry
TSMC
5 nm
Process Size
5 nm
76.3 billion
Transistors
28.1 billion
609 mm²
Die Size
346 mm²

Board Design

450W
TDP
263W
850 W
Suggested PSU
600 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
1x HDMI 2.1a 3x DisplayPort 2.1
1x 16-pin
Power Connectors
2x 8-pin

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
8.9
CUDA
-
6.7
Shader Model
6.7

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