Radeon Vega 3 Efficient vs RX 550X

Primary details

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

Place in the ranking	588	not rated
Place by popularity	not in top-100	not in top-100
Power efficiency	8.13	no data
Architecture	GCN 4.0 (2016−2020)	GCN 5.0 (2017−2020)
GPU code name	Lexa	Raven
Market segment	Desktop	Desktop
Release date	16 December 2018 (6 years ago)	26 May 2018 (6 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 cores	512	192
Core clock speed	1100 MHz	300 MHz
Boost clock speed	1183 MHz	1000 MHz
Number of transistors	2,200 million	4,940 million
Manufacturing process technology	14 nm	14 nm
Power consumption (TDP)	50 Watt	15 Watt
Texture fill rate	37.86	12.00
Floating-point processing power	1.211 TFLOPS	0.384 TFLOPS
ROPs	16	4
TMUs	32	12

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).

Interface	PCIe 3.0 x8	IGP
Length	145 mm	no data
Width	2-slot	IGP
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	System Shared
Maximum RAM amount	4 GB	System Shared
Memory bus width	128 Bit	System Shared
Memory clock speed	1500 MHz	System Shared
Memory bandwidth	96 GB/s	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	1x DVI, 1x HDMI, 1x DisplayPort	No outputs
HDMI	+	-

API compatibility

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

DirectX	12 (12_0)	12 (12_1)
Shader Model	6.4	6.4
OpenGL	4.6	4.6
OpenCL	2.0	2.0
Vulkan	1.2.131	1.2.131

Pros & cons summary

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Recency	16 December 2018	26 May 2018
Power consumption (TDP)	50 Watt	15 Watt

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