GeForce GT 340 OEM vs Radeon HD 6450A

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Primary details

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

Place in the ranking1180not rated
Place by popularitynot in top-100not in top-100
Power efficiency1.84no data
ArchitectureTeraScale 2 (2009−2015)Tesla 2.0 (2007−2013)
GPU code nameCaicosGT215
Market segmentLaptopDesktop
Release date7 April 2011 (13 years ago)2 February 2010 (14 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 cores16096
Core clock speed625 MHz550 MHz
Number of transistors370 million727 million
Manufacturing process technology40 nm40 nm
Power consumption (TDP)25 Watt69 Watt
Texture fill rate5.00017.60
Floating-point processing power0.2 TFLOPS0.2573 TFLOPS
ROPs48
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).

InterfaceMXM-A (3.0)PCIe 2.0 x16
Lengthno data168 mm
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 typeDDR3GDDR3
Maximum RAM amount512 MB1 GB
Memory bus width64 Bit128 Bit
Memory clock speed533 MHz850 MHz
Memory bandwidth8.528 GB/s27.2 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 ConnectorsNo outputs1x DVI, 1x HDMI, 1x VGA
HDMI-+

API compatibility

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

DirectX11.2 (11_0)11.1 (10_1)
Shader Model5.04.1
OpenGL4.43.3
OpenCL1.21.1
VulkanN/AN/A
CUDA-1.2

Pros & cons summary


Recency 7 April 2011 2 February 2010
Maximum RAM amount 512 MB 1 GB
Power consumption (TDP) 25 Watt 69 Watt

HD 6450A has an age advantage of 1 year, and 176% lower power consumption.

GT 340 OEM, on the other hand, has a 100% higher maximum VRAM amount.

We couldn't decide between Radeon HD 6450A and GeForce GT 340 OEM. We've got no test results to judge.

Be aware that Radeon HD 6450A is a notebook card while GeForce GT 340 OEM 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 6450A
Radeon HD 6450A
NVIDIA GeForce GT 340 OEM
GeForce GT 340 OEM

Comparisons with similar GPUs

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Community ratings

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2.9 33 votes

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Questions & comments

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