Radeon R4 Graphics vs HD 6950

Primary details

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

Place in the ranking558not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.04no data
Power efficiency2.34no data
ArchitectureTeraScale 3 (2010−2013)GCN 2.0 (2013−2017)
GPU code nameCaymanBeema
Market segmentDesktopDesktop
Designreferenceno data
Release date14 December 2010 (13 years ago)11 June 2014 (10 years ago)
Launch price (MSRP)$299 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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 cores1408128
Core clock speedno data800 MHz
Boost clock speed800 MHzno data
Number of transistors2,640 million930 million
Manufacturing process technology40 nm28 nm
Power consumption (TDP)500 Watt15 Watt
Texture fill rate70.406.400
Floating-point processing power2.253 TFLOPS0.2048 TFLOPS
ROPs324
TMUs888

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).

Bus supportPCIe 2.0 x16no data
InterfacePCIe 2.0 x16IGP
Length267 mmno data
Width2-slotIGP
Supplementary power connectors2x 6-pinno data

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 typeGDDR5System Shared
Maximum RAM amount2 GBSystem Shared
Memory bus width256 BitSystem Shared
Memory clock speed1250 MHzSystem Shared

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 Connectors2x DVI, 1x HDMI, 2x mini-DisplayPortNo outputs
Eyefinity+-
HDMI+-

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

CrossFire+-

API compatibility

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

DirectXDirectX® 1112 (12_0)
Shader Model5.06.3
OpenGL4.44.6
OpenCL1.22.0
Vulkan-1.2.131

Pros & cons summary


Recency 14 December 2010 11 June 2014
Chip lithography 40 nm 28 nm
Power consumption (TDP) 500 Watt 15 Watt

R4 Graphics has an age advantage of 3 years, a 42.9% more advanced lithography process, and 3233.3% lower power consumption.

We couldn't decide between Radeon HD 6950 and Radeon R4 Graphics. 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.

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AMD Radeon HD 6950
Radeon HD 6950
AMD Radeon R4 Graphics
Radeon R4 Graphics

Comparisons with similar GPUs

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Community ratings

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3.7 218 votes

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Questions & comments

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