Radeon R4 Graphics vs HD 6770M

Primary details

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

Place in the ranking832not rated
Place by popularitynot in top-100not in top-100
Power efficiency4.90no data
ArchitectureTeraScale 2 (2009−2015)GCN 2.0 (2013−2017)
GPU code nameWhistlerBeema
Market segmentLaptopDesktop
Release date4 January 2011 (13 years ago)11 June 2014 (10 years ago)

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 cores480128
Core clock speed725 MHz800 MHz
Number of transistors716 million930 million
Manufacturing process technology40 nm28 nm
Power consumption (TDP)35 Watt15 Watt
Texture fill rate17.406.400
Floating-point processing power0.696 TFLOPS0.2048 TFLOPS
ROPs84
TMUs248

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).

Laptop sizemedium sizedno data
InterfaceMXM-A (3.0)IGP
Widthno dataIGP

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 amount1 GBSystem Shared
Memory bus width128 BitSystem Shared
Memory clock speed900 MHzSystem Shared
Memory bandwidth57.6 GB/sno data
Shared memory-no data

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 ConnectorsNo outputsNo outputs

API compatibility

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

DirectX11.2 (11_0)12 (12_0)
Shader Model5.06.3
OpenGL4.44.6
OpenCL1.22.0
VulkanN/A1.2.131

Pros & cons summary


Recency 4 January 2011 11 June 2014
Chip lithography 40 nm 28 nm
Power consumption (TDP) 35 Watt 15 Watt

R4 Graphics has an age advantage of 3 years, a 42.9% more advanced lithography process, and 133.3% lower power consumption.

We couldn't decide between Radeon HD 6770M and Radeon R4 Graphics. We've got no test results to judge.

Be aware that Radeon HD 6770M is a notebook card while Radeon R4 Graphics is a desktop one.


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 6770M
Radeon HD 6770M
AMD Radeon R4 Graphics
Radeon R4 Graphics

Comparisons with similar GPUs

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Community ratings

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3.5 82 votes

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2.7 1222 votes

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Questions & comments

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