Radeon R9 M395X Mac Edition vs GeForce RTX 3080 Max Q
We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition and 8GB VRAM GeForce RTX 3080 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 3080 Max Q 's Advantages
Released 5 years and 8 months late
Boost Clock1245MHz
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (384.0GB/s vs 174.7GB/s)
4096 additional rendering cores
Lower TDP (80W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 M395X Mac Edition
3723
GeForce RTX 3080 Max Q
+310%
15300
Graphics Card
May 2015
Release Date
Jan 2021
Crystal System
Generation
GeForce 30 Mobile
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
780 MHz
-
Boost Clock
1245 MHz
1365 MHz
Memory Clock
1500 MHz
Memory
4GB
Memory Size
8GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
256bit
174.7GB/s
Bandwidth
384.0GB/s
Render Config
32
Compute Units
-
-
SM Count
48
2048
Shading Units
6144
128
TMUs
192
32
ROPs
96
-
Tensor Cores
192
-
RT Cores
48
16 KB (per CU)
L1 Cache
128 KB (per SM)
512 KB
L2 Cache
4 MB
Theoretical Performance
29.09 GPixel/s
Pixel Rate
119.5 GPixel/s
116.4 GTexel/s
Texture Rate
239.0 GTexel/s
3.723 TFLOPS
FP16 (half)
15.30 TFLOPS
3.723 TFLOPS
FP32 (float)
15.30 TFLOPS
232.7 GFLOPS
FP64 (double)
239.0 GFLOPS
Board Design
250W
TDP
80W
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
Amethyst
GPU Name
GA104
Amethyst XT
GPU Variant
GA104-775-A1
GCN 3.0
Architecture
Ampere
TSMC
Foundry
Samsung
28 nm
Process Size
8 nm
5 billion
Transistors
17.4 billion
366 mm²
Die Size
392 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
8.6
6.3
Shader Model
6.6