RTX A4500 Mobile vs Radeon RX 550 640SP

Primary details

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

Place in the rankingnot rated76
Place by popularitynot in top-100not in top-100
ArchitectureGCN 4.0 (2016−2020)Ampere (2020−2024)
GPU code nameBaffinGA104
Market segmentDesktopLaptop
Release date13 October 2017 (6 years ago)22 March 2022 (2 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 cores6405888
Core clock speed1019 MHz930 MHz
Boost clock speed1071 MHz1500 MHz
Number of transistors3,000 million17,400 million
Manufacturing process technology14 nm8 nm
Power consumption (TDP)60 Watt140 Watt
Texture fill rate42.84276.0
Floating-point processing power1.371 TFLOPS17.66 TFLOPS
ROPs1696
TMUs40184
Tensor Coresno data184
Ray Tracing Coresno data46

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 datalarge
InterfacePCIe 3.0 x8PCIe 4.0 x16
Length145 mmno data
Width2-slotno 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 typeGDDR5GDDR6
Maximum RAM amount2 GB16 GB
Memory bus width128 Bit256 Bit
Memory clock speed1500 MHz2000 MHz
Memory bandwidth96 GB/s512.0 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 DisplayPortPortable Device Dependent
HDMI+-

API compatibility

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

DirectX12 (12_0)12 Ultimate (12_2)
Shader Model6.46.7
OpenGL4.64.6
OpenCL2.03.0
Vulkan1.2.1311.3
CUDA-8.6

Pros & cons summary


Recency 13 October 2017 22 March 2022
Maximum RAM amount 2 GB 16 GB
Chip lithography 14 nm 8 nm
Power consumption (TDP) 60 Watt 140 Watt

RX 550 640SP has 133.3% lower power consumption.

RTX A4500 Mobile, on the other hand, has an age advantage of 4 years, a 700% higher maximum VRAM amount, and a 75% more advanced lithography process.

We couldn't decide between Radeon RX 550 640SP and RTX A4500 Mobile. We've got no test results to judge.

Be aware that Radeon RX 550 640SP is a desktop card while RTX A4500 Mobile 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
NVIDIA RTX A4500 Mobile
RTX A4500 Mobile

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Community ratings

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3.8 40 votes

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3.4 16 votes

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Questions & comments

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