NVIDIA GeForce RTX 4090 Max-Q vs AMD Radeon RX 580 2048SP
GPU · Specs Compare
Graphics Card
Release Date
Jan 2023
Oct 2018
Generation
GeForce 40 Mobile
Polaris
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
930 MHz
1168 MHz
Boost Clock
1455 MHz
1284 MHz
Memory Clock
1750 MHz
1750 MHz
Memory
Memory Size
16GB
4GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
448.0GB/s
224.0GB/s
Render Config
SM Count
76
—
Shading Units
9728
2048
TMUs
304
128
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
—
32
Theoretical Performance
Pixel Rate
163.0 GPixel/s
41.09 GPixel/s
Texture Rate
442.3 GTexel/s
164.4 GTexel/s
FP16 (half)
28.31 TFLOPS
5.259 TFLOPS
FP32 (float)
28.31 TFLOPS
5.259 TFLOPS
FP64 (double)
442.3 GFLOPS
328.7 GFLOPS
Graphics Processor
GPU Name
AD103
Polaris 20
GPU Variant
GN21-X11
Polaris 20 XL(215-0910052)
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
150W
Outputs
Portable Device Dependent
1x DVI1x 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
1.2
CUDA
8.9
—
Shader Model
6.7
6.4
Benchmark
3DMark Time Spy
—
3,826
▲ Specs Compare
Data sourced from official specifications and benchmark tests.