Radeon R9 M395X Mac Edition vs GeForce RTX 4080 Max Q
We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X 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
GeForce RTX 4080 Max Q 's Advantages
Released 7 years and 8 months late
Boost Clock1350MHz
More VRAM (12GB vs 4GB)
Larger VRAM bandwidth (336.0GB/s vs 174.7GB/s)
5376 additional rendering cores
Lower TDP (60W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 M395X Mac Edition
3723
GeForce RTX 4080 Max Q
+438%
20040
Graphics Card
May 2015
Release Date
Jan 2023
Crystal System
Generation
GeForce 40 Mobile
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
795 MHz
-
Boost Clock
1350 MHz
1365 MHz
Memory Clock
1750 MHz
Memory
4GB
Memory Size
12GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
192bit
174.7GB/s
Bandwidth
336.0GB/s
Render Config
32
Compute Units
-
-
SM Count
58
2048
Shading Units
7424
128
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
29.09 GPixel/s
Pixel Rate
108.0 GPixel/s
116.4 GTexel/s
Texture Rate
313.2 GTexel/s
3.723 TFLOPS
FP16 (half)
20.04 TFLOPS
3.723 TFLOPS
FP32 (float)
20.04 TFLOPS
232.7 GFLOPS
FP64 (double)
313.2 GFLOPS
Board Design
250W
TDP
60W
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
None
Graphics Processor
Amethyst
GPU Name
AD104
Amethyst XT
GPU Variant
GN21-X9
GCN 3.0
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
28 nm
Process Size
4 nm
5 billion
Transistors
35.8 billion
366 mm²
Die Size
295 mm²
Graphics Features
12 (12_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
8.9
6.3
Shader Model
6.7