Radeon Pro 455 vs Radeon R9 270

Find out if it is worth upgrading your current GPU setup by comparing Radeon Pro 455 and Radeon R9 270. 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 Pro 455 and Radeon R9 270. 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 Pro 455 is a Laptop Graphics Card

Note: Radeon Pro 455 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 Pro 455 here:

Main Specs

  Radeon Pro 455 Radeon R9 270
Power consumption (TDP) 35 Watt 150 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x16
Supplementary power connectors None 1 x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon R9 270 has 328% more power consumption, than Radeon Pro 455.
  • Radeon Pro 455 is connected by PCIe 3.0 x8, and Radeon R9 270 uses PCIe 3.0 x16 interface.
  • Radeon Pro 455 and Radeon R9 270 have maximum RAM of 2 GB.
  • Radeon Pro 455 is used in Mobile workstations, and Radeon R9 270 - in Desktops.
  • Radeon Pro 455 is build with Polaris architecture, and Radeon R9 270 - with GCN 1.0.
  • Radeon Pro 455 is manufactured by 14 nm process technology, and Radeon R9 270 - by 28 nm process technology.

Game benchmarks

high / 1080p 16−18 21−24
ultra / 1080p 9−10 12−14
QHD / 1440p 4−5 7−8
4K / 2160p 4−5 5−6
low / 720p 30−35 40−45
medium / 1080p 20−22 27−30
The average gaming FPS of Radeon R9 270 in Assassin's Creed Odyssey is 35% more, than Radeon Pro 455.

Full Specs

  Radeon Pro 455 Radeon R9 270
Architecture Polaris GCN 1.0
Code name Polaris 11 Curacao
Type Mobile workstation Desktop
Release date 27 October 2016 13 November 2013
Pipelines 768 1280
Core clock speed 855 MHz
Boost Clock 925 MHz
Transistor count 3,000 million 2,800 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 41.04 74.00
Floating-point performance 1,313 gflops 2,368 gflops
Length 210 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 5000 MHz
Memory bandwidth 81.28 GB/s 179.2 GB/s
Shared memory -
DirectX 12 (12_0)
Shader Model 6.4 5.1
OpenGL 4.6 4.6
OpenCL 2.0 1.2
Vulkan 1.2.131 +
FreeSync + +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 163 Mh/s 293 Mh/s
Laptop size large
Eyefinity +
HD3D +
TrueAudio +
Design reference
DisplayPort support +
CrossFire +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 16 Mh/s
LiquidVR +
TressFX +
UVD +
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