Radeon R7 M350 vs Radeon R9 M390 Mac Edition
We compared two Mobile platform GPUs: 4GB VRAM Radeon R7 M350 and 2GB VRAM Radeon R9 M390 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R7 M350 's Advantages
Boost Clock1015MHz
More VRAM (4GB vs 2GB)
Radeon R9 M390 Mac Edition 's Advantages
Larger VRAM bandwidth (174.7GB/s vs 16.00GB/s)
640 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R7 M350
779
Radeon R9 M390 Mac Edition
+151%
1962
Graphics Card
May 2015
Release Date
May 2015
Gem System(R7 M300)
Generation
Crystal System
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
1000 MHz
Base Clock
-
1015 MHz
Boost Clock
-
1000 MHz
Memory Clock
1365 MHz
Memory
4GB
Memory Size
2GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
256bit
16.00GB/s
Bandwidth
174.7GB/s
Render Config
6
Compute Units
16
384
Shading Units
1024
24
TMUs
64
8
ROPs
32
16 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
512 KB
Theoretical Performance
8.120 GPixel/s
Pixel Rate
30.66 GPixel/s
24.36 GTexel/s
Texture Rate
61.31 GTexel/s
779.5 GFLOPS
FP16 (half)
-
779.5 GFLOPS
FP32 (float)
1.962 TFLOPS
48.72 GFLOPS
FP64 (double)
122.6 GFLOPS
Board Design
Unknown
TDP
80W
Portable Device Dependent
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
Meso
GPU Name
Pitcairn
Meso XT
(216-0864018)
GPU Variant
Pitcairn PRO
(215-0828062)
GCN 3.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.55 billion
Transistors
2.8 billion
125 mm²
Die Size
212 mm²
Graphics Features
12 (12_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.1
OpenCL
1.2
1.2.170
Vulkan
1.2
6.5
Shader Model
5.1
