Radeon RX 6550S vs HD 6870M

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 2 (2009−2015)RDNA 2.0 (2020−2024)
GPU code nameGranvilleNavi 24
Market segmentLaptopLaptop
Release date4 January 2011 (13 years ago)4 January 2023 (1 year 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 cores8001024
Core clock speed675 MHz2000 MHz
Boost clock speedno data2400 MHz
Number of transistors1,040 million5,400 million
Manufacturing process technology40 nm6 nm
Power consumption (TDP)50 Watt50 Watt
Texture fill rate27.00153.6
Floating-point processing power1.08 TFLOPS4.915 TFLOPS
ROPs1632
TMUs4064
Ray Tracing Coresno data16

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 sizelargemedium sized
InterfaceMXM-B (3.0)PCIe 4.0 x4
Supplementary power connectorsno dataNone

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 amount1 GB4 GB
Memory bus width128 Bit64 Bit
Memory clock speed1000 MHz2000 MHz
Memory bandwidth64 GB/s128.0 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 ConnectorsNo outputsPortable Device Dependent

API compatibility

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

DirectX11.2 (11_0)12 Ultimate (12_2)
Shader Model5.06.7
OpenGL4.44.6
OpenCL1.22.2
VulkanN/A1.3

Pros & cons summary


Recency 4 January 2011 4 January 2023
Maximum RAM amount 1 GB 4 GB
Chip lithography 40 nm 6 nm

RX 6550S has an age advantage of 12 years, a 300% higher maximum VRAM amount, and a 566.7% more advanced lithography process.

We couldn't decide between Radeon HD 6870M and Radeon RX 6550S. 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 HD 6870M
Radeon HD 6870M
AMD Radeon RX 6550S
Radeon RX 6550S

Comparisons with similar GPUs

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Community ratings

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4 4 votes

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2.8 10 votes

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Questions & comments

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