AMD Radeon R9 M390 Mac Edition vs AMD Radeon AI PRO R9700S
GPU · Specs Compare
Graphics Card
Release Date
May 2015
Dec 2025
Generation
Crystal System
Radeon Pro Navi
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Memory Clock
1365 MHz
2518 MHz
Base Clock
—
1660 MHz
Boost Clock
—
2920 MHz
Memory
Memory Size
2GB
32GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
256bit
Bandwidth
174.7GB/s
644.6GB/s
Render Config
Compute Units
16
64
Shading Units
1024
4096
TMUs
64
256
ROPs
32
128
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
8 MB
RT Cores
—
64
L3 Cache
—
64 MB
Theoretical Performance
Pixel Rate
30.66 GPixel/s
373.8 GPixel/s
Texture Rate
61.31 GTexel/s
747.5 GTexel/s
FP32 (float)
1.962 TFLOPS
47.84 TFLOPS
FP64 (double)
122.6 GFLOPS
1495.0 GFLOPS
FP16 (half)
—
95.68 TFLOPS
Graphics Processor
GPU Name
Pitcairn
Navi 48
GPU Variant
Pitcairn PRO(215-0828062)
Navi 48 XTW
Architecture
GCN 1.0
RDNA 4.0
Foundry
TSMC
TSMC
Process Size
28 nm
4 nm
Transistors
2.8 billion
53.9 billion
Die Size
212 mm²
357 mm²
Board Design
TDP
80W
300W
Outputs
No outputs
4x DisplayPort 2.1a
Power Connectors
None
1x 16-pin
Suggested PSU
—
700 W
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
2.2
Vulkan
1.2
1.4
Shader Model
5.1
6.8
▲ Specs Compare
Data sourced from official specifications and benchmark tests.