Radeon HD 4890 vs Radeon R9 M395

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 4890 and Radeon R9 M395. 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 HD 4890 and Radeon R9 M395. 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.

Radeon R9 M395 is a Laptop Graphics Card

Note: Radeon R9 M395 is only used in laptop graphics. It has 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 Radeon R9 M395 here:

Main Specs

  Radeon HD 4890 Radeon R9 M395
Power consumption (TDP) 190 Watt
Interface PCIe 2.0 x16
Supplementary power connectors 2x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 4 GB
Display Connectors 2x DVI, 1x S-Video
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  • Radeon R9 M395 has 3 GB more memory, than Radeon HD 4890.
  • Radeon HD 4890 is used in Desktops, and Radeon R9 M395 - in Laptops.
  • Radeon HD 4890 is build with TeraScale architecture, and Radeon R9 M395 - with GCN.
  • Core clock speed of Radeon HD 4890 is 16 MHz higher, than Radeon R9 M395.
  • Radeon HD 4890 is manufactured by 55 nm process technology, and Radeon R9 M395 - by 28 nm process technology.
  • Memory clock speed of Radeon HD 4890 is 2650 MHz higher, than Radeon R9 M395.

Game benchmarks

high / 1080p 7−8 35−40
ultra / 1080p 4−5 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 16−18 60−65
medium / 1080p 8−9 40−45
The average gaming FPS of Radeon R9 M395 in Assassin's Creed Odyssey is 355% more, than Radeon HD 4890.

Full Specs

  Radeon HD 4890 Radeon R9 M395
Architecture TeraScale GCN
Code name RV790
Type Desktop Laptop
Release date 2 April 2009 9 June 2015
Pipelines 800 1792
Core clock speed 850 MHz 834 MHz
Transistor count 959 million 5000 Million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 34.00
Floating-point performance 1,360.0 gflops
Length 241 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 3900 MHz 1250 MHz
Memory bandwidth 124.8 GB/s
Shared memory -
DirectX 10.1 (10_1)
Shader Model 4.1
OpenGL 3.3 4.4
OpenCL 1.1 Not Listed
Vulkan N/A +
FreeSync +
Bus support PCIe 3.0
Bitcoin / BTC (SHA256) 336 Mh/s
Laptop size large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
TrueAudio +
ZeroCore +
Switchable graphics +
Mantle +
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