Radeon RX 550X 640SP vs HD 6870

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Primary details

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

Place in the ranking592not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.92no data
Power efficiency2.75no data
ArchitectureTeraScale 2 (2009−2015)GCN 4.0 (2016−2020)
GPU code nameBartsBaffin
Market segmentDesktopDesktop
Designreferenceno data
Release date21 October 2010 (14 years ago)11 April 2018 (6 years ago)
Launch price (MSRP)$239 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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 cores1120640
Core clock speedno data1019 MHz
Boost clock speed900 MHz1071 MHz
Number of transistors1,700 million3,000 million
Manufacturing process technology40 nm14 nm
Power consumption (TDP)151 Watt60 Watt
Texture fill rate50.4042.84
Floating-point processing power2.016 TFLOPS1.371 TFLOPS
ROPs3216
TMUs5640

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).

Bus supportPCIe 2.0 x16no data
InterfacePCIe 2.0 x16PCIe 3.0 x8
Length220 mm145 mm
Width2-slot2-slot
Supplementary power connectors2x 6-pinNone

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 typeGDDR5GDDR5
Maximum RAM amount1 GB2 GB
Memory bus width256 Bit128 Bit
Memory clock speed1050 MHz1500 MHz
Memory bandwidth134.4 GB/s96 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 Connectors2x DVI, 1x HDMI, 2x mini-DisplayPort1x DVI, 1x HDMI, 1x DisplayPort
Eyefinity+-
HDMI++

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

CrossFire+-

API compatibility

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

DirectXDirectX® 1112 (12_0)
Shader Model5.06.4
OpenGL4.44.6
OpenCL1.22.0
Vulkan-1.2.131

Pros & cons summary


Recency 21 October 2010 11 April 2018
Maximum RAM amount 1 GB 2 GB
Chip lithography 40 nm 14 nm
Power consumption (TDP) 151 Watt 60 Watt

RX 550X 640SP has an age advantage of 7 years, a 100% higher maximum VRAM amount, a 185.7% more advanced lithography process, and 151.7% lower power consumption.

We couldn't decide between Radeon HD 6870 and Radeon RX 550X 640SP. 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 6870
Radeon HD 6870
AMD Radeon RX 550X 640SP
Radeon RX 550X 640SP

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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