Radeon R9 M395X Mac Edition vs GeForce GTX 860M
We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition and 4GB VRAM GeForce GTX 860M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 M395X Mac Edition 's Advantages
Released 1 years and 4 months late
Larger VRAM bandwidth (174.7GB/s vs 80.19GB/s)
1408 additional rendering cores
GeForce GTX 860M 's Advantages
Boost Clock1085MHz
Lower TDP (75W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 M395X Mac Edition
+168%
3723
GeForce GTX 860M
1389
Graphics Card
May 2015
Release Date
Jan 2014
Crystal System
Generation
GeForce 800M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-B (3.0)
Clock Speeds
-
Base Clock
1020 MHz
-
Boost Clock
1085 MHz
1365 MHz
Memory Clock
1253 MHz
Memory
4GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
174.7GB/s
Bandwidth
80.19GB/s
Render Config
32
Compute Units
-
2048
Shading Units
640
128
TMUs
40
32
ROPs
16
16 KB (per CU)
L1 Cache
64 KB (per SMM)
512 KB
L2 Cache
2 MB
Theoretical Performance
29.09 GPixel/s
Pixel Rate
17.36 GPixel/s
116.4 GTexel/s
Texture Rate
43.40 GTexel/s
3.723 TFLOPS
FP16 (half)
-
3.723 TFLOPS
FP32 (float)
1389 GFLOPS
232.7 GFLOPS
FP64 (double)
43.40 GFLOPS
Board Design
250W
TDP
75W
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
Amethyst
GPU Name
GM107
Amethyst XT
GPU Variant
N15P-GX-A1
GCN 3.0
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
5 billion
Transistors
1.87 billion
366 mm²
Die Size
148 mm²
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
5.0
6.3
Shader Model
5.1