AMD Radeon R9 M390 Mac Edition vs AMD Radeon E6760 MXM
We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 1024MB VRAM Radeon E6760 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
Released 4 years late
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (174.7GB/s vs 51.20GB/s)
544 additional rendering cores
AMD Radeon E6760 MXM 's Advantages
Lower TDP (45W vs 80W)
Score
Benchmark
FP32 (float)
Radeon R9 M390 Mac Edition
+240%
1.962 TFLOPS
Radeon E6760 MXM
0.576 TFLOPS
Graphics Card
May 2015
Release Date
May 2011
Crystal System
Generation
Embedded
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-A (3.0)
Clock Speeds
-
-
-
-
-
-
1365 MHz
Memory Clock
800 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
174.7GB/s
Bandwidth
51.20GB/s
Render Config
16
Compute Units
6
-
-
-
1024
Shading Units
480
64
TMUs
24
32
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
30.66 GPixel/s
Pixel Rate
4.800 GPixel/s
61.31 GTexel/s
Texture Rate
14.40 GTexel/s
-
-
-
1.962 TFLOPS
FP32 (float)
576.0 GFLOPS
122.6 GFLOPS
FP64 (double)
-
Board Design
80W
TDP
45W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Pitcairn
GPU Name
Turks
Pitcairn PRO
(215-0828062)
GPU Variant
Turks XT
(215-0803000)
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.8 billion
Transistors
0.716 billion
212 mm²
Die Size
118 mm²
Graphics Features
12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.2
OpenCL
1.2
1.2
Vulkan
N/A
-
-
-
5.1
Shader Model
5.0
