AMD Radeon RX 580X Mobile vs NVIDIA GeForce RTX 5070 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Apr 2018
Apr 2025
Generation
Mobility Radeon
GeForce 50 Mobile
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
PCIe 5.0 x16
Clock Speeds
Base Clock
1000 MHz
907 MHz
Boost Clock
1077 MHz
1425 MHz
Memory Clock
2000 MHz
1500 MHz
Memory
Memory Size
8GB
8GB
Memory Type
GDDR5
GDDR7
Memory Bus
256bit
128bit
Bandwidth
256.0GB/s
384.0GB/s
Render Config
Compute Units
36
—
Shading Units
2304
4608
TMUs
144
144
ROPs
32
48
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
2 MB
32 MB
SM Count
—
36
Tensor Cores
—
144
RT Cores
—
36
Theoretical Performance
Pixel Rate
34.46 GPixel/s
68.40 GPixel/s
Texture Rate
155.1 GTexel/s
205.2 GTexel/s
FP16 (half)
4.963 TFLOPS
13.13 TFLOPS
FP32 (float)
4.963 TFLOPS
13.13 TFLOPS
FP64 (double)
310.2 GFLOPS
205.2 GFLOPS
Graphics Processor
GPU Name
Polaris 20
GB206
GPU Variant
Polaris 20M XT
GB206
Architecture
GCN 4.0
Blackwell 2.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
5 nm
Transistors
5.7 billion
21.9 billion
Die Size
232 mm²
181 mm²
Board Design
TDP
100W
50W
Outputs
No outputs
Portable Device Dependent
Power Connectors
None
None
Suggested PSU
—
300 W
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.2
1.4
Shader Model
6.4
6.8
CUDA
—
12.0
Benchmark
3DMark Time Spy
—
13,629
▲ Specs Compare
Data sourced from official specifications and benchmark tests.