ATI Radeon X1900 XT vs HD 6320

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Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureTeraScale 2 (2009−2015)R500 (2005−2007)
GPU code nameLovelandR580
Market segmentLaptopDesktop
Release date15 August 2011 (13 years ago)24 January 2006 (18 years ago)
Launch price (MSRP)$554.99 $299

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 cores80no data
Core clock speed508 MHz625 MHz
Boost clock speed600 MHzno data
Number of transistors450 million384 million
Manufacturing process technology40 nm90 nm
Power consumption (TDP)18 Watt100 Watt
Texture fill rate4.06410.00
Floating-point processing power0.08128 TFLOPSno data
ROPs416
TMUs816

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).

InterfaceIGPPCIe 1.0 x16
Lengthno data242 mm
Widthno data2-slot
Supplementary power connectorsno data1x 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 typeSystem SharedGDDR3
Maximum RAM amountSystem Shared256 MB
Memory bus widthSystem Shared256 Bit
Memory clock speedSystem Shared725 MHz
Memory bandwidthno data46.4 GB/s
Shared memory+-

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 outputs2x DVI, 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
OpenGL4.42.1 (full) 3.0 (partial)
OpenCL1.2N/A
VulkanN/AN/A

Pros & cons summary


Recency 15 August 2011 24 January 2006
Chip lithography 40 nm 90 nm
Power consumption (TDP) 18 Watt 100 Watt

HD 6320 has an age advantage of 5 years, a 125% more advanced lithography process, and 455.6% lower power consumption.

We couldn't decide between Radeon HD 6320 and Radeon X1900 XT. We've got no test results to judge.

Be aware that Radeon HD 6320 is a notebook card while Radeon X1900 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 6320
Radeon HD 6320
ATI Radeon X1900 XT
Radeon X1900 XT

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.


3 187 votes

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2.4 25 votes

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Questions & comments

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