Radeon 550X vs Radeon HD 4870

Find out if it is worth upgrading your current GPU setup by comparing Radeon 550X and Radeon HD 4870. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Radeon 550X and Radeon HD 4870. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

Main Specs

  Radeon 550X Radeon HD 4870
Power consumption (TDP) 50 Watt 150 Watt
Interface PCIe 3.0 x8 PCIe 2.0 x16
Supplementary power connectors None 2x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 1 GB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort 2x DVI, 1x S-Video
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  • Radeon HD 4870 has 200% more power consumption, than Radeon 550X.
  • Radeon 550X is connected by PCIe 3.0 x8, and Radeon HD 4870 uses PCIe 2.0 x16 interface.
  • Radeon 550X has 1 GB more memory, than Radeon HD 4870.
  • Both cards are used in Desktops.
  • Radeon 550X is build with GCN 4.0 architecture, and Radeon HD 4870 - with TeraScale.
  • Core clock speed of Radeon 550X is 332 MHz higher, than Radeon HD 4870.
  • Radeon 550X is manufactured by 14 nm process technology, and Radeon HD 4870 - by 55 nm process technology.
  • Radeon HD 4870 is 105 mm longer, than Radeon 550X.
  • Memory clock speed of Radeon 550X is 3400 MHz higher, than Radeon HD 4870.

Game benchmarks

high / 1080p 7−8 3−4
ultra / 1080p 4−5 1−2
QHD / 1440p 0−1 0−1
low / 720p 16−18 14−16
medium / 1080p 9−10 6−7
The average gaming FPS of Radeon 550X in Assassin's Creed Odyssey is 50% more, than Radeon HD 4870.

Full Specs

  Radeon 550X Radeon HD 4870
Architecture GCN 4.0 TeraScale
Code name Lexa RV770
Type Desktop Desktop
Release date 27 March 2019 25 June 2008
Pipelines 512 800
Core clock speed 1082 MHz 750 MHz
Boost Clock 1218 MHz
Transistor count 2,200 million 956 million
Manufacturing process technology 14 nm 55 nm
Texture fill rate 38.98 30.00
Floating-point performance 1,200.0 gflops
Length 145 mm 250 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 7000 MHz 3600 MHz
Memory bandwidth 112.0 GB/s 115.2 GB/s
DirectX 12 (12_0) 10.1 (10_1)
Shader Model 6.4 4.1
OpenGL 4.6 3.3
OpenCL 2.0 1.1
Vulkan 1.2.131 N/A
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