AMD Radeon R9 M390 Mac Edition vs AMD Radeon R9 M370X Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 2GB VRAM Radeon R9 M370X Mac Edition 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 72.00GB/s)
384 additional rendering cores
AMD Radeon R9 M370X Mac Edition 's Advantages
Boost Clock800MHz
Score
Benchmark
FP32 (float)
Radeon R9 M390 Mac Edition
+91%
1.962 TFLOPS
Radeon R9 M370X Mac Edition
1.024 TFLOPS
Graphics Card
May 2015
Release Date
May 2015
Crystal System
Generation
Gem System
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
775 MHz
-
Boost Clock
800 MHz
1365 MHz
Memory Clock
1125 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
174.7GB/s
Bandwidth
72.00GB/s
Render Config
16
Compute Units
10
-
-
-
1024
Shading Units
640
64
TMUs
40
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
12.80 GPixel/s
61.31 GTexel/s
Texture Rate
32.00 GTexel/s
-
-
-
1.962 TFLOPS
FP32 (float)
1024 GFLOPS
122.6 GFLOPS
FP64 (double)
64.00 GFLOPS
Board Design
80W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
-
Graphics Processor
Pitcairn
GPU Name
Tropo
Pitcairn PRO
(215-0828062)
GPU Variant
Tropo XT
GCN 1.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.8 billion
Transistors
1.5 billion
212 mm²
Die Size
123 mm²
Graphics Features
12 (11_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.2
OpenCL
2.1 (1.2)
1.2
Vulkan
1.2.170
-
-
-
5.1
Shader Model
6.5 (5.1)
