Radeon R9 M395X Mac Edition vs Radeon E2400
We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition and 128MB VRAM Radeon E2400 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 7 years and 11 months late
More VRAM (4GB vs 128GB)
Larger VRAM bandwidth (174.7GB/s vs 11.20GB/s)
2008 additional rendering cores
Radeon E2400 's Advantages
Lower TDP (25W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 M395X Mac Edition
+7656%
3723
Radeon E2400
48
Graphics Card
May 2015
Release Date
Jun 2007
Crystal System
Generation
Embedded
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-II
Clock Speeds
1365 MHz
Memory Clock
700 MHz
Memory
4GB
Memory Size
128MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
64bit
174.7GB/s
Bandwidth
11.20GB/s
Render Config
32
Compute Units
2
2048
Shading Units
40
128
TMUs
4
32
ROPs
4
16 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
32 KB
Theoretical Performance
29.09 GPixel/s
Pixel Rate
2.400 GPixel/s
116.4 GTexel/s
Texture Rate
2.400 GTexel/s
3.723 TFLOPS
FP16 (half)
-
3.723 TFLOPS
FP32 (float)
48.00 GFLOPS
232.7 GFLOPS
FP64 (double)
-
Board Design
250W
TDP
25W
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Amethyst
GPU Name
RV610
Amethyst XT
GPU Variant
-
GCN 3.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
65 nm
5 billion
Transistors
0.18 billion
366 mm²
Die Size
85 mm²
Graphics Features
12 (12_0)
DirectX
10.0 (10_0)
4.6
OpenGL
3.3
2.0
OpenCL
N/A
1.2
Vulkan
N/A
6.3
Shader Model
4.0
