Radeon R5 M445 vs ATI HD 3550

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
ArchitectureTeraScale (2005−2013)GCN 3.0 (2014−2019)
GPU code nameRV620Meso
Market segmentDesktopDesktop
Release date4 August 2008 (16 years ago)2016 (8 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 cores40384
Core clock speed594 MHz920 MHz
Boost clock speedno data980 MHz
Number of transistors181 million1,550 million
Manufacturing process technology55 nm28 nm
Power consumption (TDP)30 Wattno data
Texture fill rate2.37622.08
Floating-point processing power0.04752 TFLOPSno data
ROPs48
TMUs424

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 2.0 x16PCIe 3.0 x8
Width1-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 typeDDR2GDDR5
Maximum RAM amount512 MB4 GB
Memory bus width64 Bit64 Bit
Memory clock speed396 MHz4 GB/s
Memory bandwidth6.336 GB/s32 GB/s

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 Connectors2x DisplayPortPortable Device Dependent

API compatibility

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

DirectX10.1 (10_1)12 (12_0)
Shader Model4.16.5
OpenGL3.34.6
OpenCLN/A2.1
VulkanN/A1.2.170

Pros & cons summary


Maximum RAM amount 512 MB 4 GB
Chip lithography 55 nm 28 nm

R5 M445 has a 700% higher maximum VRAM amount, and a 96.4% more advanced lithography process.

We couldn't decide between Radeon HD 3550 and Radeon R5 M445. 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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ATI Radeon HD 3550
Radeon HD 3550
AMD Radeon R5 M445
Radeon R5 M445

Comparisons with similar GPUs

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