Radeon RX 6400 vs Radeon R9 290X2
We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 4GB VRAM Radeon R9 290X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 6400 's Advantages
Released 7 years and 7 months late
Boost Clock2321MHz
Lower TDP (53W vs 580W)
Radeon R9 290X2 's Advantages
Larger VRAM bandwidth (345.6GB/s vs 128.0GB/s)
2048 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 6400
3565
Radeon R9 290X2
+57%
5632
Graphics Card
Jan 2022
Release Date
Jun 2014
Navi II
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 4.0 x4
Bus Interface
PCIe 3.0 x16
Clock Speeds
1923 MHz
Base Clock
-
2321 MHz
Boost Clock
-
2000 MHz
Memory Clock
1350 MHz
Memory
4GB
Memory Size
4GB
GDDR6
Memory Type
GDDR5
64bit
Memory Bus
512bit
128.0GB/s
Bandwidth
345.6GB/s
Render Config
12
Compute Units
44
768
Shading Units
2816
48
TMUs
176
32
ROPs
64
12
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
1024 KB
16 MB
L3 Cache
-
Theoretical Performance
74.27 GPixel/s
Pixel Rate
64.00 GPixel/s
111.4 GTexel/s
Texture Rate
176.0 GTexel/s
7.130 TFLOPS
FP16 (half)
-
3.565 TFLOPS
FP32 (float)
5.632 TFLOPS
222.8 GFLOPS
FP64 (double)
704.0 GFLOPS
Board Design
53W
TDP
580W
250 W
Suggested PSU
950 W
1x HDMI 2.1
1x DisplayPort 1.4a
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
None
Power Connectors
4x 8-pin
Graphics Processor
Navi 24
GPU Name
Hawaii
Navi 24 XL
(215-135000046)
GPU Variant
Hawaii XT
(215-0852000)
RDNA 2.0
Architecture
GCN 2.0
TSMC
Foundry
TSMC
6 nm
Process Size
28 nm
5.4 billion
Transistors
6.2 billion
107 mm²
Die Size
438 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.2
OpenCL
2.0
1.3
Vulkan
1.2
6.7
Shader Model
6.3
