Radeon RX 6400 vs GeForce RTX 4090
We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 24GB VRAM GeForce RTX 4090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 6400 's Advantages
Lower TDP (53W vs 450W)
GeForce RTX 4090 's Advantages
Released 8 months late
Boost Clock has increased by 9% (2520MHz vs 2321MHz)
More VRAM (24GB vs 4GB)
Larger VRAM bandwidth (1.01TB/s vs 128.0GB/s)
15616 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 6400
3565
GeForce RTX 4090
+2216%
82580
3DMark Time Spy
Radeon RX 6400
3585
GeForce RTX 4090
+913%
36328
3DMark Time Spy Extreme
Radeon RX 6400
1662
GeForce RTX 4090
+1070%
19460
3DMark Speed Way
Radeon RX 6400
103
GeForce RTX 4090
+9680%
10074
Blender
Radeon RX 6400
334
GeForce RTX 4090
+3668%
12586
Shadow of the Tomb Raider 2160p
Radeon RX 6400
8
GeForce RTX 4090
+2212%
185
Shadow of the Tomb Raider 1440p
Radeon RX 6400
20
GeForce RTX 4090
+1300%
280
Shadow of the Tomb Raider 1080p
Radeon RX 6400
35
GeForce RTX 4090
+768%
304
Cyberpunk 2077 2160p
Radeon RX 6400
8
GeForce RTX 4090
+1075%
94
Cyberpunk 2077 1440p
Radeon RX 6400
11
GeForce RTX 4090
+1581%
185
Cyberpunk 2077 1080p
Radeon RX 6400
21
GeForce RTX 4090
+828%
195
Battlefield 5 2160p
Radeon RX 6400
19
GeForce RTX 4090
+878%
186
Battlefield 5 1440p
Radeon RX 6400
36
GeForce RTX 4090
+463%
203
Battlefield 5 1080p
Radeon RX 6400
48
GeForce RTX 4090
+343%
213
Graphics Card
Jan 2022
Release Date
Sep 2022
Navi II
Generation
GeForce 40
Desktop
Type
Desktop
PCIe 4.0 x4
Bus Interface
PCIe 4.0 x16
Clock Speeds
1923 MHz
Base Clock
2235 MHz
2321 MHz
Boost Clock
2520 MHz
2000 MHz
Memory Clock
1313 MHz
Memory
4GB
Memory Size
24GB
GDDR6
Memory Type
GDDR6X
64bit
Memory Bus
384bit
128.0GB/s
Bandwidth
1.01TB/s
Render Config
12
Compute Units
-
-
SM Count
128
768
Shading Units
16384
48
TMUs
512
32
ROPs
176
-
Tensor Cores
512
12
RT Cores
128
128 KB per Array
L1 Cache
128 KB (per SM)
1024 KB
L2 Cache
72 MB
16 MB
L3 Cache
-
Theoretical Performance
74.27 GPixel/s
Pixel Rate
443.5 GPixel/s
111.4 GTexel/s
Texture Rate
1290 GTexel/s
7.130 TFLOPS
FP16 (half)
82.58 TFLOPS
3.565 TFLOPS
FP32 (float)
82.58 TFLOPS
222.8 GFLOPS
FP64 (double)
1290 GFLOPS
Board Design
53W
TDP
450W
250 W
Suggested PSU
850 W
1x HDMI 2.1
1x DisplayPort 1.4a
Outputs
1x HDMI 2.1
3x DisplayPort 1.4a
None
Power Connectors
1x 16-pin
Graphics Processor
Navi 24
GPU Name
AD102
Navi 24 XL
(215-135000046)
GPU Variant
AD102-300-A1
RDNA 2.0
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
6 nm
Process Size
5 nm
5.4 billion
Transistors
76.3 billion
107 mm²
Die Size
609 mm²
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
8.9
6.7
Shader Model
6.8
