Radeon Next vs 550X 640SP

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Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 4.0 (2016−2020)GCN 6.0
GPU code nameLexaNavi 10
Market segmentDesktopDesktop
Release date11 April 2018 (6 years ago)no data

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 cores640no data
Core clock speed1019 MHz1000 MHz
Boost clock speed1071 MHz1000 MHz
Number of transistors2,200 millionno data
Manufacturing process technology14 nm7 nm
Power consumption (TDP)50 Wattno data
Texture fill rate42.84no data
Floating-point processing power1.371 TFLOPSno data
ROPs16no data
TMUs40no data

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).

InterfacePCIe 3.0 x8PCIe 3.0 x16
WidthIGPno data
Supplementary power connectorsNoneno data

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 typeGDDR5no data
Maximum RAM amount4 GBno data
Memory bus width64 Bitno data
Memory clock speed1500 MHz14000 MHz
Memory bandwidth48 GB/sno 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 Connectors1x DVI, 1x HDMI, 1x DisplayPortNo outputs
HDMI+-

API compatibility

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

DirectX12 (12_0)12.0 (12_1)
Shader Model6.4no data
OpenGL4.64.6
OpenCL2.0no data
Vulkan1.2.131-

Pros & cons summary


Chip lithography 14 nm 7 nm

Radeon Next has a 100% more advanced lithography process.

We couldn't decide between Radeon 550X 640SP and Radeon Next. 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 550X 640SP
Radeon 550X 640SP
AMD Radeon Next
Radeon Next

Comparisons with similar GPUs

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