Radeon E9550 MXM vs R9 M390X

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking470not rated
Place by popularitynot in top-100not in top-100
Power efficiency8.60no data
ArchitectureGCN 3.0 (2014−2019)GCN 4.0 (2016−2020)
GPU code nameAmethystEllesmere
Market segmentLaptopLaptop
Release date5 May 2015 (9 years ago)27 September 2016 (8 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores20482304
Core clock speed723 MHz1120 MHz
Boost clock speedno data1266 MHz
Number of transistors5,000 million5,700 million
Manufacturing process technology28 nm14 nm
Power consumption (TDP)100 Watt95 Watt
Texture fill rate92.54182.3
Floating-point processing power2.961 TFLOPS5.834 TFLOPS
ROPs3232
TMUs128144

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Laptop sizelargeno data
Bus supportPCIe 3.0no data
InterfacePCIe 3.0 x16MXM-B (3.0)
Supplementary power connectorsNoneNone

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR5GDDR5
Maximum RAM amount4 GB8 GB
Memory bus width256 Bit256 Bit
Memory clock speedno data1250 MHz
Memory bandwidth160.0 GB/s160.0 GB/s
Shared memory--

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputs1x HDMI, 3x DisplayPort
Eyefinity+-
HDMI-+

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

FreeSync+-
HD3D+-
PowerTune+-
DualGraphics+-
ZeroCore+-
Switchable graphics+-

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectXDirectX® 1212 (12_0)
Shader Model6.36.4
OpenGL4.44.6
OpenCLNot Listed2.0
Vulkan+1.2.131
Mantle+-

Pros & cons summary


Recency 5 May 2015 27 September 2016
Maximum RAM amount 4 GB 8 GB
Chip lithography 28 nm 14 nm
Power consumption (TDP) 100 Watt 95 Watt

E9550 MXM has an age advantage of 1 year, a 100% higher maximum VRAM amount, a 100% more advanced lithography process, and 5.3% lower power consumption.

We couldn't decide between Radeon R9 M390X and Radeon E9550 MXM. We've got no test results to judge.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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AMD Radeon R9 M390X
Radeon R9 M390X
AMD Radeon E9550 MXM
Radeon E9550 MXM

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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