GeForce RTX 4090 vs 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
GeForce RTX 4090 's Advantages
Boost Clock has increased by 4% (2520MHz vs 2430MHz)
More VRAM (24GB vs 16GB)
Larger VRAM bandwidth (1.01TB/s vs 624.1GB/s)
12544 additional rendering cores
Radeon RX 7800 XT 's Advantages
Released 11 months late
Lower TDP (263W vs 450W)
Score
Benchmark
FP32 (float)
GeForce RTX 4090
+121%
82580
Radeon RX 7800 XT
37320
3DMark Time Spy
GeForce RTX 4090
+80%
36328
Radeon RX 7800 XT
20086
3DMark Time Spy Extreme
GeForce RTX 4090
+105%
19460
Radeon RX 7800 XT
9448
3DMark Speed Way
GeForce RTX 4090
+153%
10074
Radeon RX 7800 XT
3978
Blender
GeForce RTX 4090
+374%
12586
Radeon RX 7800 XT
2652
Shadow of the Tomb Raider 2160p
GeForce RTX 4090
+125%
185
Radeon RX 7800 XT
82
Shadow of the Tomb Raider 1440p
GeForce RTX 4090
+77%
280
Radeon RX 7800 XT
158
Shadow of the Tomb Raider 1080p
GeForce RTX 4090
+29%
304
Radeon RX 7800 XT
234
Cyberpunk 2077 2160p
GeForce RTX 4090
+147%
94
Radeon RX 7800 XT
38
Cyberpunk 2077 1440p
GeForce RTX 4090
+125%
185
Radeon RX 7800 XT
82
Cyberpunk 2077 1080p
GeForce RTX 4090
+54%
195
Radeon RX 7800 XT
126
GTA 5 2160p
GeForce RTX 4090
+17%
165
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
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
-
Compute Units
60
128
SM Count
-
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
-
L3 Cache
64 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
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 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
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
-
6.8
Shader Model
6.7