Mobility Radeon HD 4870 vs Radeon HD 7690M XT

Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 4870 and Radeon HD 7690M XT. 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 Mobility Radeon HD 4870 and Radeon HD 7690M XT. 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.

Mobility Radeon HD 4870 and Radeon HD 7690M XT are Laptop Graphics Cards

Note: Mobility Radeon HD 4870 and Radeon HD 7690M XT are only used in laptop graphics. They have lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Mobility Radeon HD 4870 or Radeon HD 7690M XT here:

Main Specs

  Mobility Radeon HD 4870 Radeon HD 7690M XT
Power consumption (TDP) 25 Watt
Interface PCIe 2.0 x16 PCIe 2.0 x16
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 2 GB
Display Connectors No outputs No outputs
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  • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
  • Radeon HD 7690M XT has 1 GB more memory, than Mobility Radeon HD 4870.
  • Both cards are used in Laptops.
  • Mobility Radeon HD 4870 is build with Terascale 1 architecture, and Radeon HD 7690M XT - with Terascale 2.
  • Core clock speed of Radeon HD 7690M XT is 175 MHz higher, than Mobility Radeon HD 4870.
  • Mobility Radeon HD 4870 is manufactured by 55 nm process technology, and Radeon HD 7690M XT - by 40 nm process technology.
  • Memory clock speed of Radeon HD 7690M XT is 2712 MHz higher, than Mobility Radeon HD 4870.

Game benchmarks

high / 1080p 7−8 2−3
ultra / 1080p 4−5 1−2
QHD / 1440p 0−1 0−1
low / 720p 16−18 12−14
medium / 1080p 8−9 4−5
The average gaming FPS of Mobility Radeon HD 4870 in Assassin's Creed Odyssey is 80% more, than Radeon HD 7690M XT.

Full Specs

  Mobility Radeon HD 4870 Radeon HD 7690M XT
Architecture Terascale 1 Terascale 2
Code name M98-XT Thames XTX
Type Laptop Laptop
Release date 9 January 2009 7 June 2011
Pipelines 800 480
Core clock speed 550 MHz 725 MHz
Transistor count 956 million 716 million
Manufacturing process technology 55 nm 40 nm
Texture fill rate 22.00 17.40
Floating-point performance 880.0 gflops 696.0 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 888 MHz 3600 MHz
Memory bandwidth 56.83 GB/s 57.6 GB/s
Shared memory - -
DirectX 10.1 (10_1) 11.2 (11_0)
Shader Model 4.1 5.0
OpenGL 3.3 4.4
OpenCL 1.1 1.2
Vulkan N/A N/A
Laptop size large medium sized
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