AMD Radeon RX 580G vs AMD Radeon RX 7700
GPU Specs Compare
Graphics Card
Release Date
Oct 2018
Sep 2025
Generation
Polaris
Navi III
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1257 MHz
1900 MHz
Boost Clock
1330 MHz
2600 MHz
Memory Clock
2000 MHz
2430 MHz
Memory
Memory Size
8GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
256bit
Bandwidth
256.0GB/s
622.1GB/s
Render Config
Compute Units
36
40
Shading Units
2304
2560
TMUs
144
160
ROPs
32
96
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
2 MB
2 MB
RT Cores
-
40
L3 Cache
-
64 MB
Theoretical Performance
Pixel Rate
42.56 GPixel/s
249.6 GPixel/s
Texture Rate
191.5 GTexel/s
416.0 GTexel/s
FP16 (half)
6.129 TFLOPS
53.25 TFLOPS
FP32 (float)
6.129 TFLOPS
26.62 TFLOPS
FP64 (double)
383.0 GFLOPS
832.0 GFLOPS
Graphics Processor
GPU Name
Polaris 20
Navi 32
GPU Variant
Polaris 20 XTX(215-0910038)
Navi 32
Architecture
GCN 4.0
RDNA 3.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
5 nm
Transistors
5.7 billion
28.1 billion
Die Size
232 mm²
346 mm²
Board Design
TDP
185W
200W
Suggested PSU
450 W
550 W
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
Power Connectors
1x 8-pin
1x 8-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