Radeon RX 6700M vs RX 550 640SP

Primary details

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

Place in the rankingnot rated144
Place by popularitynot in top-100not in top-100
Power efficiencyno data18.01
ArchitectureGCN 4.0 (2016−2020)RDNA 2.0 (2020−2024)
GPU code nameBaffinNavi 22
Market segmentDesktopLaptop
Release date13 October 2017 (7 years ago)31 May 2021 (3 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 cores6402304
Core clock speed1019 MHz1489 MHz
Boost clock speed1071 MHz2400 MHz
Number of transistors3,000 million17,200 million
Manufacturing process technology14 nm7 nm
Power consumption (TDP)60 Watt135 Watt
Texture fill rate42.84345.6
Floating-point processing power1.371 TFLOPS11.06 TFLOPS
ROPs1664
TMUs40144
Ray Tracing Coresno data36

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 sizeno datamedium sized
InterfacePCIe 3.0 x8PCIe 4.0 x16
Length145 mmno data
Width2-slotno data
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 typeGDDR5GDDR6
Maximum RAM amount2 GB10 GB
Memory bus width128 Bit160 Bit
Memory clock speed1500 MHz2000 MHz
Memory bandwidth96 GB/s320.0 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 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 Ultimate (12_2)
Shader Model6.46.5
OpenGL4.64.6
OpenCL2.02.1
Vulkan1.2.1311.3

Pros & cons summary


Recency 13 October 2017 31 May 2021
Maximum RAM amount 2 GB 10 GB
Chip lithography 14 nm 7 nm
Power consumption (TDP) 60 Watt 135 Watt

RX 550 640SP has 125% lower power consumption.

RX 6700M, on the other hand, has an age advantage of 3 years, a 400% higher maximum VRAM amount, and a 100% more advanced lithography process.

We couldn't decide between Radeon RX 550 640SP and Radeon RX 6700M. We've got no test results to judge.

Be aware that Radeon RX 550 640SP is a desktop card while Radeon RX 6700M is a notebook one.


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 RX 550 640SP
Radeon RX 550 640SP
AMD Radeon RX 6700M
Radeon RX 6700M

Comparisons with similar GPUs

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Community ratings

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3.8 40 votes

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3.9 123 votes

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Questions & comments

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