Radeon RX 6400 vs GeForce RTX 3080 Ti 20 GB
We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 20GB VRAM GeForce RTX 3080 Ti 20 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 6400 's Advantages
Boost Clock has increased by 39% (2321MHz vs 1665MHz)
Lower TDP (53W vs 350W)
GeForce RTX 3080 Ti 20 GB 's Advantages
More VRAM (20GB vs 4GB)
Larger VRAM bandwidth (760.3GB/s vs 128.0GB/s)
9472 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 6400
3565
GeForce RTX 3080 Ti 20 GB
+856%
34100
3DMark Time Spy
Radeon RX 6400
3585
GeForce RTX 3080 Ti 20 GB
+436%
19216
3DMark Time Spy Extreme
Radeon RX 6400
1662
GeForce RTX 3080 Ti 20 GB
+484%
9720
3DMark Speed Way
Radeon RX 6400
103
GeForce RTX 3080 Ti 20 GB
+4682%
4926
Blender
Radeon RX 6400
334
GeForce RTX 3080 Ti 20 GB
+1683%
5956
Graphics Card
Jan 2022
Release Date
Jan 2022
Navi II
Generation
GeForce 30
Desktop
Type
Desktop
PCIe 4.0 x4
Bus Interface
PCIe 4.0 x16
Clock Speeds
1923 MHz
Base Clock
1335 MHz
2321 MHz
Boost Clock
1665 MHz
2000 MHz
Memory Clock
1188 MHz
Memory
4GB
Memory Size
20GB
GDDR6
Memory Type
GDDR6X
64bit
Memory Bus
320bit
128.0GB/s
Bandwidth
760.3GB/s
Render Config
12
Compute Units
-
-
SM Count
80
768
Shading Units
10240
48
TMUs
320
32
ROPs
112
-
Tensor Cores
320
12
RT Cores
80
128 KB per Array
L1 Cache
128 KB (per SM)
1024 KB
L2 Cache
6 MB
16 MB
L3 Cache
-
Theoretical Performance
74.27 GPixel/s
Pixel Rate
186.5 GPixel/s
111.4 GTexel/s
Texture Rate
532.8 GTexel/s
7.130 TFLOPS
FP16 (half)
34.10 TFLOPS
3.565 TFLOPS
FP32 (float)
34.10 TFLOPS
222.8 GFLOPS
FP64 (double)
532.8 GFLOPS
Board Design
53W
TDP
350W
250 W
Suggested PSU
750 W
1x HDMI 2.1
1x DisplayPort 1.4a
Outputs
1x HDMI 2.1
3x DisplayPort 1.4a
None
Power Connectors
1x 12-pin
Graphics Processor
Navi 24
GPU Name
GA102
Navi 24 XL
(215-135000046)
GPU Variant
GA102-225-A1
RDNA 2.0
Architecture
Ampere
TSMC
Foundry
Samsung
6 nm
Process Size
8 nm
5.4 billion
Transistors
28.3 billion
107 mm²
Die Size
628 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
8.6
6.7
Shader Model
6.6
