Radeon E9550 MXM vs R9 M390X

Primary details

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

Place in performance ranking	438	not rated
Place by popularity	not in top-100	not in top-100
Architecture	GCN 3 (2014−2016)	GCN 4.0 (2016−2020)
GPU code name	Amethyst (XT) / Tonga	Ellesmere
Market segment	Laptop	Desktop
Release date	9 June 2015 (8 years ago)	27 September 2016 (7 years ago)

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	2048	2304
Core clock speed	723 MHz	1120 MHz
Boost clock speed	no data	1266 MHz
Number of transistors	5,000 million	5,700 million
Manufacturing process technology	28 nm	14 nm
Power consumption (TDP)	100 Watt	95 Watt
Texture fill rate	92.54	182.3
Floating-point performance	2,961 gflops	5,834 gflops

Form factor & compatibility

Information on Radeon R9 M390X and Radeon E9550 MXM compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.

Laptop size	large	no data
Bus support	PCIe 3.0	no data
Interface	PCIe 3.0 x16	MXM-B (3.0)
Width	no data	MXM Module
Supplementary power connectors	None	None

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 type	GDDR5	GDDR5
Maximum RAM amount	4 GB	8 GB
Memory bus width	256 Bit	256 Bit
Memory clock speed	no data	5000 MHz
Memory bandwidth	160.0 GB/s	160.0 GB/s
Shared memory	-	no data

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 Connectors	No outputs	1x HDMI, 3x DisplayPort
Eyefinity	1	no data
HDMI	no data	+

Supported technologies

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

AppAcceleration	-	no data
Enduro	-	no data
FreeSync	1	no data
HD3D	+	no data
PowerTune	+	no data
DualGraphics	1	no data
TrueAudio	-	no data
ZeroCore	+	no data
Switchable graphics	1	no data

API compatibility

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

DirectX	DirectX® 12	12 (12_0)
Shader Model	6.3	6.4
OpenGL	4.4	4.6
OpenCL	Not Listed	2.0
Vulkan	+	1.2.131
Mantle	+	no data

Pros & cons summary

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Recency	9 June 2015	27 September 2016
Maximum RAM amount	4 GB	8 GB
Chip lithography	28 nm	14 nm
Power consumption (TDP)	100 Watt	95 Watt

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