Home GPU Comparison AMD Radeon R5 M230 Rebrand vs AMD Radeon R9 M390 Mac Edition

AMD Radeon R5 M230 Rebrand vs AMD Radeon R9 M390 Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M230 Rebrand 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

AMD Radeon R5 M230 Rebrand 's Advantages
Boost Clock850MHz
AMD Radeon R9 M390 Mac Edition 's Advantages
Released 1 years late
Larger VRAM bandwidth (174.7GB/s vs 14.40GB/s)
704 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon R5 M230 Rebrand
0.544 TFLOPS
Radeon R9 M390 Mac Edition +260%
1.962 TFLOPS
VS

Graphics Card

May 2014
Release Date
May 2015
Crystal System
Generation
Crystal System
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16

Clock Speeds

780 MHz
Base Clock
-
850 MHz
Boost Clock
-
900 MHz
Memory Clock
1365 MHz

Memory

2GB
Memory Size
2GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
256bit
14.40GB/s
Bandwidth
174.7GB/s

Render Config

5
Compute Units
16
-
-
-
320
Shading Units
1024
20
TMUs
64
8
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

6.800 GPixel/s
Pixel Rate
30.66 GPixel/s
17.00 GTexel/s
Texture Rate
61.31 GTexel/s
-
-
-
544.0 GFLOPS
FP32 (float)
1.962 TFLOPS
34.00 GFLOPS
FP64 (double)
122.6 GFLOPS

Board Design

Unknown
TDP
80W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None

Graphics Processor

Sun
GPU Name
Pitcairn
Sun LE
GPU Variant
Pitcairn PRO (215-0828062)
GCN 1.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
0.69 billion
Transistors
2.8 billion
56 mm²
Die Size
212 mm²

Graphics Features

12 (11_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.2
OpenCL
1.2
1.2
Vulkan
1.2
-
-
-
5.1
Shader Model
5.1

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