ATI Xbox 360 E GPU vs GeForce 820A

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Primary details

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

Place in the ranking995not rated
Place by popularitynot in top-100not in top-100
Power efficiency6.58no data
ArchitectureFermi 2.0 (2010−2014)TeraScale (2005−2013)
GPU code nameGF117Xenos Corona
Market segmentLaptopDesktop
Release date17 March 2014 (10 years ago)10 June 2013 (11 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 cores96240
Core clock speed775 MHz500 MHz
Number of transistors585 million372 million
Manufacturing process technology28 nm45 nm
Power consumption (TDP)15 Watt120 Watt
Texture fill rate12.408.000
Floating-point processing power0.2976 TFLOPS0.24 TFLOPS
ROPs88
TMUs1616

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 x16IGP
Lengthno data264 mm
Widthno dataIGP

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 amount1 GB512 MB
Memory bus width64 Bit128 Bit
Memory clock speed900 MHz700 MHz
Memory bandwidth14.4 GB/s22.4 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 outputsNo outputs

API compatibility

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

DirectX12 (11_0)9.0c (9_3)
Shader Model5.13.0
OpenGL4.6N/A
OpenCL1.1N/A
VulkanN/AN/A
CUDA2.1-

Pros & cons summary


Recency 17 March 2014 10 June 2013
Maximum RAM amount 1 GB 512 MB
Chip lithography 28 nm 45 nm
Power consumption (TDP) 15 Watt 120 Watt

GeForce 820A has an age advantage of 9 months, a 100% higher maximum VRAM amount, a 60.7% more advanced lithography process, and 700% lower power consumption.

We couldn't decide between GeForce 820A and Xbox 360 E GPU. We've got no test results to judge.

Be aware that GeForce 820A is a notebook card while Xbox 360 E GPU 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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NVIDIA GeForce 820A
GeForce 820A
ATI Xbox 360 E GPU
Xbox 360 E GPU

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Community ratings

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2.8 42 votes

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4.5 4 votes

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