AMD Radeon RX 580X vs AMD Radeon RX 7400
GPU · Specs Compare
Graphics Card
Release Date
Apr 2018
Aug 2025
Generation
Polaris
Navi III
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1257 MHz
1452 MHz
Boost Clock
1340 MHz
2300 MHz
Memory Clock
2000 MHz
2250 MHz
Memory
Memory Size
8GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
128bit
Bandwidth
256.0GB/s
288.0GB/s
Render Config
Compute Units
36
28
Shading Units
2304
1792
TMUs
144
112
ROPs
32
64
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
2 MB
2 MB
RT Cores
—
28
L3 Cache
—
64 MB
Theoretical Performance
Pixel Rate
42.88 GPixel/s
147.2 GPixel/s
Texture Rate
193.0 GTexel/s
257.6 GTexel/s
FP16 (half)
6.175 TFLOPS
32.97 TFLOPS
FP32 (float)
6.175 TFLOPS
16.49 TFLOPS
FP64 (double)
385.9 GFLOPS
515.2 GFLOPS
Graphics Processor
GPU Name
Polaris 20
Navi 33
GPU Variant
Polaris 20 XTX(215-0910038)
Navi 33
Architecture
GCN 4.0
RDNA 3.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
6 nm
Transistors
5.7 billion
13.3 billion
Die Size
232 mm²
204 mm²
Board Design
TDP
185W
43W
Suggested PSU
450 W
200 W
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
1x HDMI 2.1a3x DisplayPort 2.1
Power Connectors
1x 8-pin
1x 6-pin
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.2
Vulkan
1.2
1.3
Shader Model
6.4
6.8
▲ Specs Compare
Data sourced from official specifications and benchmark tests.