Radeon HD 6625M vs HD 6450 OEM

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)TeraScale 2 (2009−2015)
GPU code nameCaicosWhistler
Market segmentDesktopLaptop
Release date7 February 2011 (13 years ago)4 January 2011 (13 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 cores160480
Core clock speed625 MHz450 MHz
Number of transistors370 million716 million
Manufacturing process technology40 nm40 nm
Power consumption (TDP)18 Watt26 Watt
Texture fill rate5.00010.80
Floating-point processing power0.2 TFLOPS0.432 TFLOPS
ROPs48
TMUs824

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).

InterfacePCIe 2.0 x16PCIe 2.0 x16
Length168 mmno data
Width1-slotno data
Supplementary power connectorsNoneno 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 typeGDDR3DDR3
Maximum RAM amount512 MB1 GB
Memory bus width64 Bit128 Bit
Memory clock speed533 MHz800 MHz
Memory bandwidth8.528 GB/s25.6 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 Connectors1x DVI, 1x HDMI, 1x VGANo outputs
HDMI+-

API compatibility

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

DirectX11.2 (11_0)11.2 (11_0)
Shader Model5.05.0
OpenGL4.44.4
OpenCL1.21.2
VulkanN/AN/A

Pros & cons summary


Recency 7 February 2011 4 January 2011
Maximum RAM amount 512 MB 1 GB
Power consumption (TDP) 18 Watt 26 Watt

HD 6450 OEM has an age advantage of 1 month, and 44.4% lower power consumption.

HD 6625M, on the other hand, has a 100% higher maximum VRAM amount.

We couldn't decide between Radeon HD 6450 OEM and Radeon HD 6625M. We've got no test results to judge.

Be aware that Radeon HD 6450 OEM is a desktop card while Radeon HD 6625M is a notebook 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 6450 OEM
Radeon HD 6450 OEM
AMD Radeon HD 6625M
Radeon HD 6625M

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