AMD Radeon RX 9070 vs AMD Radeon RX 580X
GPU · Specs Compare
Graphics Card
Release Date
Mar 2025
Apr 2018
Generation
Navi IV
Polaris
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1330 MHz
1257 MHz
Boost Clock
2520 MHz
1340 MHz
Memory Clock
2518 MHz
2000 MHz
Memory
Memory Size
16GB
8GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
644.6GB/s
256.0GB/s
Render Config
Compute Units
56
36
Shading Units
3584
2304
TMUs
224
144
ROPs
128
32
Tensor Cores
112
—
RT Cores
56
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
8 MB
2 MB
L3 Cache
64 MB
—
Theoretical Performance
Pixel Rate
322.6 GPixel/s
42.88 GPixel/s
Texture Rate
564.5 GTexel/s
193.0 GTexel/s
FP16 (half)
72.25 TFLOPS
6.175 TFLOPS
FP32 (float)
36.13 TFLOPS
6.175 TFLOPS
FP64 (double)
1129 GFLOPS
385.9 GFLOPS
Graphics Processor
GPU Name
Navi 48
Polaris 20
GPU Variant
Navi 48 XT(215-176600331)
Polaris 20 XTX(215-0910038)
Architecture
RDNA 4.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
4 nm
14 nm
Transistors
53.9 billion
5.7 billion
Die Size
357 mm²
232 mm²
Board Design
TDP
220W
185W
Suggested PSU
550 W
450 W
Outputs
1x HDMI 2.1b3x DisplayPort 2.1a
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
2x 8-pin
1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.2
2.1
Vulkan
1.3
1.2
Shader Model
6.8
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.