Radeon HD 8530M vs GeForce GT 645M

Primary details

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

Place in the ranking840not rated
Place by popularitynot in top-100not in top-100
Power efficiency5.27no data
ArchitectureKepler (2012−2018)GCN 1.0 (2011−2020)
GPU code nameGK107Mars
Market segmentLaptopLaptop
Release date1 October 2012 (12 years ago)10 January 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 cores384320
Core clock speedUp to 710 MHz650 MHz
Boost clock speedno data700 MHz
Number of transistors1,270 million950 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)32 Wattno data
Texture fill rate22.6911.20
Floating-point processing power0.5445 TFLOPS0.448 TFLOPS
ROPs168
TMUs3216

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
Bus supportPCI Express 2.0, PCI Express 3.0no data
InterfacePCIe 3.0 x16PCIe 3.0 x8

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 typeDDR3\GDDR5DDR3
Maximum RAM amount2 GB1 GB
Memory bus width128bit64 Bit
Memory clock speed900 MHz900 MHz
Memory bandwidthUp to 64.0 GB/s14.4 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 outputsNo outputs
HDMI+-
HDCP+-
Maximum VGA resolutionUp to 2048x1536no data

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

3D Blu-Ray+-
Optimus+-

API compatibility

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

DirectX12 API12 (11_1)
Shader Model5.15.1
OpenGL4.54.6
OpenCL1.11.2
Vulkan1.1.1261.2.131
CUDA+-

Pros & cons summary


Recency 1 October 2012 10 January 2014
Maximum RAM amount 2 GB 1 GB

GT 645M has a 100% higher maximum VRAM amount.

HD 8530M, on the other hand, has an age advantage of 1 year.

We couldn't decide between GeForce GT 645M and Radeon HD 8530M. We've got no test results to judge.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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NVIDIA GeForce GT 645M
GeForce GT 645M
AMD Radeon HD 8530M
Radeon HD 8530M

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.


3.5 96 votes

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Questions & comments

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