AMD Radeon R9 M390 Mac Edition vs ATI Radeon E4690 MXM
We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 512MB VRAM Radeon E4690 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 5 years and 11 months late
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (174.7GB/s vs 22.40GB/s)
704 additional rendering cores
ATI Radeon E4690 MXM 's Advantages
Lower TDP (30W vs 80W)
Score
Benchmark
FP32 (float)
Radeon R9 M390 Mac Edition
+410%
1.962 TFLOPS
Radeon E4690 MXM
0.384 TFLOPS
Graphics Card
May 2015
Release Date
Jun 2009
Crystal System
Generation
Embedded
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-II
Clock Speeds
-
-
-
-
-
-
1365 MHz
Memory Clock
700 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
128bit
174.7GB/s
Bandwidth
22.40GB/s
Render Config
16
Compute Units
4
-
-
-
1024
Shading Units
320
64
TMUs
32
32
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
128 KB
-
-
-
Theoretical Performance
30.66 GPixel/s
Pixel Rate
4.800 GPixel/s
61.31 GTexel/s
Texture Rate
19.20 GTexel/s
-
-
-
1.962 TFLOPS
FP32 (float)
384.0 GFLOPS
122.6 GFLOPS
FP64 (double)
-
Board Design
80W
TDP
30W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Pitcairn
GPU Name
RV730
Pitcairn PRO
(215-0828062)
GPU Variant
RV730 XT E4690
(215-0729055)
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
2.8 billion
Transistors
0.514 billion
212 mm²
Die Size
146 mm²
Graphics Features
12 (11_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
-
-
5.1
Shader Model
4.1
