Radeon R5 A230 vs GeForce GT 645M

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Primary details

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

Place in the ranking842not rated
Place by popularitynot in top-100not in top-100
Power efficiency5.18no data
ArchitectureKepler (2012−2018)GCN 1.0 (2011−2020)
GPU code nameGK107Jet
Market segmentLaptopLaptop
Release date1 October 2012 (12 years ago)7 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 MHz780 MHz
Boost clock speedno data855 MHz
Number of transistors1,270 million690 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)32 Wattno data
Texture fill rate22.6917.10
Floating-point processing power0.5445 TFLOPS0.5472 TFLOPS
ROPs168
TMUs3220

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 GB4 GB
Memory bus width128bit64 Bit
Memory clock speed900 MHz1000 MHz
Memory bandwidthUp to 64.0 GB/s16 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 7 January 2014
Maximum RAM amount 2 GB 4 GB

R5 A230 has an age advantage of 1 year, and a 100% higher maximum VRAM amount.

We couldn't decide between GeForce GT 645M and Radeon R5 A230. 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 R5 A230
Radeon R5 A230

Comparisons with similar GPUs

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Community ratings

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