ATI Radeon X1300 XT vs HD 7640G

Primary details

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

Place in the ranking1059not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.52no data
ArchitectureTeraScale 3 (2010−2013)R500 (2005−2007)
GPU code nameDevastator LiteRV530
Market segmentLaptopDesktop
Release date15 May 2012 (12 years ago)12 August 2006 (18 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 cores256no data
Core clock speed496 MHz500 MHz
Boost clock speed685 MHzno data
Number of transistors1,303 million157 million
Manufacturing process technology32 nm90 nm
Power consumption (TDP)35 Watt22 Watt
Texture fill rate10.962.000
Floating-point processing power0.3507 TFLOPSno data
ROPs84
TMUs164

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
InterfaceIGPPCIe 1.0 x16
Widthno data1-slot
Supplementary power connectorsno dataNone

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 typeSystem SharedDDR2
Maximum RAM amountSystem Shared256 MB
Memory bus widthSystem Shared128 Bit
Memory clock speedSystem Shared400 MHz
Memory bandwidthno data12.8 GB/s
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 outputs1x DVI, 1x VGA, 1x S-Video

API compatibility

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

DirectX11.2 (11_0)9.0c (9_3)
Shader Model5.03.0
OpenGL4.42.0
OpenCL1.2N/A
VulkanN/AN/A

Pros & cons summary


Recency 15 May 2012 12 August 2006
Chip lithography 32 nm 90 nm
Power consumption (TDP) 35 Watt 22 Watt

HD 7640G has an age advantage of 5 years, and a 181.3% more advanced lithography process.

ATI X1300 XT, on the other hand, has 59.1% lower power consumption.

We couldn't decide between Radeon HD 7640G and Radeon X1300 XT. We've got no test results to judge.

Be aware that Radeon HD 7640G is a notebook card while Radeon X1300 XT 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 7640G
Radeon HD 7640G
ATI Radeon X1300 XT
Radeon X1300 XT

Comparisons with similar GPUs

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Community ratings

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2.9 162 votes

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4.5 44 votes

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Questions & comments

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