Radeon HD 8450 OEM vs GeForce 840A

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Primary details

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

Place in the ranking832not rated
Place by popularitynot in top-100not in top-100
Power efficiency6.19no data
ArchitectureMaxwell (2014−2017)TeraScale 2 (2009−2015)
GPU code nameGM108Caicos
Market segmentLaptopDesktop
Release date17 March 2014 (11 years ago)8 January 2013 (12 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 cores384160
Core clock speed1029 MHz625 MHz
Boost clock speed1124 MHzno data
Number of transistorsno data370 million
Manufacturing process technology28 nm40 nm
Power consumption (TDP)33 Watt18 Watt
Texture fill rate17.985.000
Floating-point processing power0.8632 TFLOPS0.2 TFLOPS
ROPs84
TMUs168

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 3.0 x8PCIe 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 typeDDR3DDR3
Maximum RAM amount2 GB1 GB
Memory bus width64 Bit64 Bit
Memory clock speed1001 MHz667 MHz
Memory bandwidth16.02 GB/s10.67 GB/s

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display ConnectorsNo outputs1x DVI, 1x HDMI, 1x VGA
HDMI-+

API and SDK compatibility

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

DirectX12 (11_0)11.2 (11_0)
Shader Model5.15.0
OpenGL4.64.4
OpenCL1.21.2
Vulkan1.1.126N/A
CUDA5.0-

Pros & cons summary


Recency 17 March 2014 8 January 2013
Maximum RAM amount 2 GB 1 GB
Chip lithography 28 nm 40 nm
Power consumption (TDP) 33 Watt 18 Watt

GeForce 840A has an age advantage of 1 year, a 100% higher maximum VRAM amount, and a 42.9% more advanced lithography process.

HD 8450 OEM, on the other hand, has 83.3% lower power consumption.

We couldn't decide between GeForce 840A and Radeon HD 8450 OEM. We've got no test results to judge.

Be aware that GeForce 840A is a notebook graphics card while Radeon HD 8450 OEM is a desktop one.

Vote for your favorite

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NVIDIA GeForce 840A
GeForce 840A
AMD Radeon HD 8450 OEM
Radeon HD 8450 OEM

Other comparisons

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

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3.1 14 votes

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2.8 13 votes

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