AMD Radeon R9 M290X Mac Edition vs AMD Radeon E9550 MXM
We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M290X Mac Edition and 8GB VRAM Radeon E9550 MXM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 M290X Mac Edition 's Advantages
Larger VRAM bandwidth (174.7GB/s vs 160.0GB/s)
Lower TDP (80W vs 95W)
AMD Radeon E9550 MXM 's Advantages
Released 1 years and 10 months late
Boost Clock has increased by 30% (1266MHz vs 975MHz)
More VRAM (8GB vs 2GB)
1280 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R9 M290X Mac Edition
1.997 TFLOPS
Radeon E9550 MXM
+192%
5.834 TFLOPS
Graphics Card
Nov 2014
Release Date
Sep 2016
Crystal System
Generation
Embedded
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
850 MHz
Base Clock
1120 MHz
975 MHz
Boost Clock
1266 MHz
1365 MHz
Memory Clock
1250 MHz
Memory
2GB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
174.7GB/s
Bandwidth
160.0GB/s
Render Config
16
Compute Units
36
-
-
-
1024
Shading Units
2304
64
TMUs
144
32
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
2 MB
-
-
-
Theoretical Performance
31.20 GPixel/s
Pixel Rate
40.51 GPixel/s
62.40 GTexel/s
Texture Rate
182.3 GTexel/s
-
FP16 (half)
5.834 TFLOPS
1.997 TFLOPS
FP32 (float)
5.834 TFLOPS
124.8 GFLOPS
FP64 (double)
364.6 GFLOPS
Board Design
80W
TDP
95W
-
-
-
No outputs
Outputs
1x HDMI 2.0b
3x DisplayPort 1.4a
None
Power Connectors
None
Graphics Processor
Pitcairn
GPU Name
Ellesmere
Pitcairn PRO
(215-0828062)
GPU Variant
Ellesmere XT
GCN 1.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
2.8 billion
Transistors
5.7 billion
212 mm²
Die Size
232 mm²
Graphics Features
12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.2
OpenCL
2.1
1.2
Vulkan
1.2
-
-
-
5.1
Shader Model
6.4
