Radeon R9 M395X Mac Edition vs GeForce 825M
We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition and 1024MB VRAM GeForce 825M 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
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (174.7GB/s vs 14.40GB/s)
1664 additional rendering cores
GeForce 825M 's Advantages
Boost Clock941MHz
Lower TDP (33W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 M395X Mac Edition
+414%
3723
GeForce 825M
723
Graphics Card
May 2015
Release Date
Jan 2014
Crystal System
Generation
GeForce 800M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
850 MHz
-
Boost Clock
941 MHz
1365 MHz
Memory Clock
900 MHz
Memory
4GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
174.7GB/s
Bandwidth
14.40GB/s
Render Config
32
Compute Units
-
2048
Shading Units
384
128
TMUs
32
32
ROPs
8
16 KB (per CU)
L1 Cache
16 KB (per SMX)
512 KB
L2 Cache
512 KB
Theoretical Performance
29.09 GPixel/s
Pixel Rate
7.528 GPixel/s
116.4 GTexel/s
Texture Rate
30.11 GTexel/s
3.723 TFLOPS
FP16 (half)
-
3.723 TFLOPS
FP32 (float)
722.7 GFLOPS
232.7 GFLOPS
FP64 (double)
30.11 GFLOPS
Board Design
250W
TDP
33W
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
Amethyst
GPU Name
GK208
Amethyst XT
GPU Variant
-
GCN 3.0
Architecture
Kepler 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
5 billion
Transistors
1.02 billion
366 mm²
Die Size
87 mm²
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.1
-
CUDA
3.5
6.3
Shader Model
5.1