Radeon R9 M395X Mac Edition vs GeForce GTX 1080 Max Q
We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition and 8GB VRAM GeForce GTX 1080 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 1080 Max Q 's Advantages
Released 2 years and 1 months late
Boost Clock1468MHz
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (320.3GB/s vs 174.7GB/s)
512 additional rendering cores
Lower TDP (150W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 M395X Mac Edition
3723
GeForce GTX 1080 Max Q
+101%
7516
Graphics Card
May 2015
Release Date
Jun 2017
Crystal System
Generation
GeForce 10 Mobile
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1290 MHz
-
Boost Clock
1468 MHz
1365 MHz
Memory Clock
1251 MHz
Memory
4GB
Memory Size
8GB
GDDR5
Memory Type
GDDR5X
256bit
Memory Bus
256bit
174.7GB/s
Bandwidth
320.3GB/s
Render Config
32
Compute Units
-
-
SM Count
20
2048
Shading Units
2560
128
TMUs
160
32
ROPs
64
16 KB (per CU)
L1 Cache
48 KB (per SM)
512 KB
L2 Cache
2 MB
Theoretical Performance
29.09 GPixel/s
Pixel Rate
93.95 GPixel/s
116.4 GTexel/s
Texture Rate
234.9 GTexel/s
3.723 TFLOPS
FP16 (half)
117.4 GFLOPS
3.723 TFLOPS
FP32 (float)
7.516 TFLOPS
232.7 GFLOPS
FP64 (double)
234.9 GFLOPS
Board Design
250W
TDP
150W
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
Amethyst
GPU Name
GP104
Amethyst XT
GPU Variant
N17E-G3-A1
GCN 3.0
Architecture
Pascal
TSMC
Foundry
TSMC
28 nm
Process Size
16 nm
5 billion
Transistors
7.2 billion
366 mm²
Die Size
314 mm²
Graphics Features
12 (12_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
6.1
6.3
Shader Model
6.4