NVIDIA GeForce RTX 4090 Max-Q vs AMD Radeon RX 580
GPU Specs Compare
Graphics Card
Release Date
Jan 2023
Apr 2017
Generation
GeForce 40 Mobile
Polaris
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
930 MHz
1257 MHz
Boost Clock
1455 MHz
1340 MHz
Memory Clock
1750 MHz
2000 MHz
Memory
Memory Size
16GB
8GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
448.0GB/s
256.0GB/s
Render Config
SM Count
76
-
Shading Units
9728
2304
TMUs
304
144
ROPs
112
32
Tensor Cores
304
-
RT Cores
76
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
64 MB
2 MB
Compute Units
-
36
Theoretical Performance
Pixel Rate
163.0 GPixel/s
42.88 GPixel/s
Texture Rate
442.3 GTexel/s
193.0 GTexel/s
FP16 (half)
28.31 TFLOPS
6.175 TFLOPS
FP32 (float)
28.31 TFLOPS
6.175 TFLOPS
FP64 (double)
442.3 GFLOPS
385.9 GFLOPS
Graphics Processor
GPU Name
AD103
Polaris 20
GPU Variant
GN21-X11
Polaris 20 XTX(215-0910038)
Architecture
Ada Lovelace
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
4 nm
14 nm
Transistors
45.9 billion
5.7 billion
Die Size
379 mm²
232 mm²
Board Design
TDP
80W
185W
Outputs
Portable Device Dependent
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
None
1x 8-pin
Suggested PSU
-
450 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.3
1.3
CUDA
8.9
-
Shader Model
6.7
6.7