AMD Radeon R9 M390 Mac Edition vs AMD Radeon E9172 MXM
We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 2GB VRAM Radeon E9172 MXM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 M390 Mac Edition 's Advantages
Larger VRAM bandwidth (174.7GB/s vs 48.00GB/s)
512 additional rendering cores
AMD Radeon E9172 MXM 's Advantages
Released 2 years and 5 months late
Boost Clock1219MHz
Lower TDP (35W vs 80W)
Score
Benchmark
FP32 (float)
Radeon R9 M390 Mac Edition
+57%
1.962 TFLOPS
Radeon E9172 MXM
1.248 TFLOPS
Graphics Card
May 2015
Release Date
Oct 2017
Crystal System
Generation
Embedded
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-A (3.0)
Clock Speeds
-
Base Clock
1124 MHz
-
Boost Clock
1219 MHz
1365 MHz
Memory Clock
1500 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
64bit
174.7GB/s
Bandwidth
48.00GB/s
Render Config
16
Compute Units
8
-
-
-
1024
Shading Units
512
64
TMUs
32
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
30.66 GPixel/s
Pixel Rate
19.50 GPixel/s
61.31 GTexel/s
Texture Rate
39.01 GTexel/s
-
FP16 (half)
1248 GFLOPS
1.962 TFLOPS
FP32 (float)
1248 GFLOPS
122.6 GFLOPS
FP64 (double)
78.02 GFLOPS
Board Design
80W
TDP
35W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
Pitcairn
GPU Name
Lexa
Pitcairn PRO
(215-0828062)
GPU Variant
E9170
GCN 1.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
2.8 billion
Transistors
2.2 billion
212 mm²
Die Size
103 mm²
Graphics Features
12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.2
OpenCL
2.1
1.2
Vulkan
1.2
-
-
-
5.1
Shader Model
6.4
