AMD Radeon R9 M390 Mac Edition vs NVIDIA GeForce RTX 4080 Max-Q
We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 12GB VRAM GeForce RTX 4080 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 4080 Max-Q 's Advantages
Released 7 years and 8 months late
Boost Clock1350MHz
More VRAM (12GB vs 2GB)
Larger VRAM bandwidth (336.0GB/s vs 174.7GB/s)
6400 additional rendering cores
Lower TDP (60W vs 80W)
Score
Benchmark
FP32 (float)
Radeon R9 M390 Mac Edition
1.962 TFLOPS
GeForce RTX 4080 Max Q
+921%
20.04 TFLOPS
Graphics Card
May 2015
Release Date
Jan 2023
Crystal System
Generation
GeForce 40 Mobile
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
795 MHz
-
Boost Clock
1350 MHz
1365 MHz
Memory Clock
1750 MHz
Memory
2GB
Memory Size
12GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
192bit
174.7GB/s
Bandwidth
336.0GB/s
Render Config
16
Compute Units
-
-
SM Count
58
1024
Shading Units
7424
64
TMUs
232
32
ROPs
80
-
Tensor Cores
232
-
RT Cores
58
16 KB (per CU)
L1 Cache
128 KB (per SM)
512 KB
L2 Cache
48 MB
-
-
-
Theoretical Performance
30.66 GPixel/s
Pixel Rate
108.0 GPixel/s
61.31 GTexel/s
Texture Rate
313.2 GTexel/s
-
FP16 (half)
20.04 TFLOPS
1.962 TFLOPS
FP32 (float)
20.04 TFLOPS
122.6 GFLOPS
FP64 (double)
313.2 GFLOPS
Board Design
80W
TDP
60W
-
-
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
None
Graphics Processor
Pitcairn
GPU Name
AD104
Pitcairn PRO
(215-0828062)
GPU Variant
GN21-X9
GCN 1.0
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
28 nm
Process Size
4 nm
2.8 billion
Transistors
35.8 billion
212 mm²
Die Size
295 mm²
Graphics Features
12 (11_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.2
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
8.9
5.1
Shader Model
6.7
