AMD Radeon R9 M390X vs AMD Ryzen AI Z2 Extreme GPU
GPU Specs Compare
Graphics Card
Release Date
May 2015
Oct 2025
Generation
Crystal System
Console GPU
Type
Mobile
Game console
Bus Interface
PCIe 3.0 x16
-
Clock Speeds
Memory Clock
1250 MHz
1000 MHz
Base Clock
-
800 MHz
Boost Clock
-
2700 MHz
Memory
Memory Size
4GB
16GB
Memory Type
GDDR5
LPDDR5X
Memory Bus
256bit
256bit
Bandwidth
160.0GB/s
256.0GB/s
Render Config
Compute Units
32
16
Shading Units
2048
1024
TMUs
128
64
ROPs
32
48
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
512 KB
8 MB
RT Cores
-
16
L3 Cache
-
16 MB
Theoretical Performance
Pixel Rate
23.14 GPixel/s
129.6 GPixel/s
Texture Rate
92.54 GTexel/s
172.8 GTexel/s
FP16 (half)
2.961 TFLOPS
11.06 TFLOPS
FP32 (float)
2.961 TFLOPS
5.530 TFLOPS
FP64 (double)
185.1 GFLOPS
345.6 GFLOPS
Graphics Processor
GPU Name
Amethyst
Strix Point
GPU Variant
Amethyst XT
100-000001885
Architecture
GCN 3.0
RDNA 3.5
Foundry
TSMC
TSMC
Process Size
28 nm
4 nm
Transistors
5 billion
34 billion
Die Size
366 mm²
233 mm²
Board Design
TDP
75W
28W
Outputs
No outputs
1x USB Type-C
Power Connectors
None
None
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.4
Shader Model
6.3
6.8