Home GPU Comparison AMD Radeon R9 M395X Mac Edition vs AMD Radeon HD 7450A

AMD Radeon R9 M395X Mac Edition vs AMD Radeon HD 7450A

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition and 512MB VRAM Radeon HD 7450A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M395X Mac Edition 's Advantages
Released 3 years and 4 months late
More VRAM (4GB vs 512GB)
Larger VRAM bandwidth (174.7GB/s vs 12.80GB/s)
1888 additional rendering cores
AMD Radeon HD 7450A 's Advantages
Lower TDP (25W vs 250W)

Score

Benchmark

FP32 (float)
Radeon R9 M395X Mac Edition +1761%
3.723 TFLOPS
Radeon HD 7450A
0.2 TFLOPS
VS

Graphics Card

May 2015
Release Date
Jan 2012
Crystal System
Generation
All-In-One
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-A (3.0)

Clock Speeds

-
-
-
-
-
-
1365 MHz
Memory Clock
800 MHz

Memory

4GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
64bit
174.7GB/s
Bandwidth
12.80GB/s

Render Config

32
Compute Units
2
-
-
-
2048
Shading Units
160
128
TMUs
8
32
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

29.09 GPixel/s
Pixel Rate
2.500 GPixel/s
116.4 GTexel/s
Texture Rate
5.000 GTexel/s
3.723 TFLOPS
FP16 (half)
-
3.723 TFLOPS
FP32 (float)
200.0 GFLOPS
232.7 GFLOPS
FP64 (double)
-

Board Design

250W
TDP
25W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-

Graphics Processor

Amethyst
GPU Name
Caicos
Amethyst XT
GPU Variant
-
GCN 3.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
5 billion
Transistors
0.37 billion
366 mm²
Die Size
67 mm²

Graphics Features

12 (12_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.0
OpenCL
1.2
1.2
Vulkan
N/A
-
-
-
6.3
Shader Model
5.0

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