Radeon R9 255 OEM vs HD 6350

Primary details

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

Place in the ranking1274not rated
Place by popularitynot in top-100not in top-100
ArchitectureTeraScale 2 (2009−2015)GCN 1.0 (2011−2020)
GPU code nameParkCape Verde
Market segmentDesktopDesktop
Release date7 February 2011 (13 years ago)21 December 2013 (10 years ago)
Launch price (MSRP)$23 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 cores80512
Core clock speed650 MHz900 MHz
Boost clock speedno data930 MHz
Number of transistors292 million1,500 million
Manufacturing process technology40 nm28 nm
Power consumption (TDP)19 Watt65 Watt
Texture fill rate5.20029.76
Floating-point processing power0.104 TFLOPS0.9523 TFLOPS
ROPs416
TMUs832

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).

InterfacePCIe 2.0 x16PCIe 3.0 x16
Length168 mmno data
Width1-slot2-slot
Supplementary power connectorsNone1x 6-pin

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 typeGDDR3GDDR5
Maximum RAM amount512 MB2 GB
Memory bus width64 Bit128 Bit
Memory clock speed400 MHz1150 MHz
Memory bandwidth6.4 GB/s73.6 GB/s

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 Connectors1x DVI, 1x HDMI 1.3aNo outputs
HDMI+-

API compatibility

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

DirectX11.2 (11_0)12 (11_1)
Shader Model5.05.1
OpenGL4.44.6
OpenCL1.21.2
VulkanN/A1.2.131

Pros & cons summary


Recency 7 February 2011 21 December 2013
Maximum RAM amount 512 MB 2 GB
Chip lithography 40 nm 28 nm
Power consumption (TDP) 19 Watt 65 Watt

HD 6350 has 242.1% lower power consumption.

R9 255 OEM, on the other hand, has an age advantage of 2 years, a 300% higher maximum VRAM amount, and a 42.9% more advanced lithography process.

We couldn't decide between Radeon HD 6350 and Radeon R9 255 OEM. 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.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon HD 6350
Radeon HD 6350
AMD Radeon R9 255 OEM
Radeon R9 255 OEM

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


4 64 votes

Rate Radeon HD 6350 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
5 1066 votes

Rate Radeon R9 255 OEM on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.