Apple
GPUIntegrated (APU)Released Nov 2, 2012

Apple A6X GPU (PowerVR SGX554MP4)

1 GB LPDDR2-1066 · 128-bit

The A6X GPU is the quad-core PowerVR SGX554MP4 in Apple's A6X chip, used only in the fourth-generation iPad released in November 2012. Running at about 300 MHz, it drove the iPad's Retina display and was the last PowerVR SGX-series GPU Apple used before moving to Series6 with the A7. It shares 1 GB of LPDDR2-1066 memory over a 128-bit interface for about 17 GB/s of bandwidth.

General

Manufacturer
Apple
Model
A6X GPU (PowerVR SGX554MP4)
Segment
Integrated (APU)
GPU chip
Apple A6X
Architecture
PowerVR SGX (Series5XT)
Release date
Nov 2, 2012
Price
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Memory

Memory size
1 GB
Memory type
LPDDR2-1066 (unified)
Bus width
128-bit
Bandwidth
17.1 GB/s
Memory clock
533 MHz

Clocks & silicon

GPU clock
—
Boost clock
300 MHz
Shader units
—
Tensor / AI cores
—
RT cores
—
Transistors
—
Technology (nm)
32 nm
Samsung 32nm
TDP / TBP
—

Interface & APIs

Bus interface
Integrated (on-die)
SLI / multi-GPU
None
DirectX
N/A (iOS / iPadOS)
OpenGL
OpenGL ES 2.0
Vulkan
—
Other APIs
OpenGL ES 2.0

AI support

Precisions
FP8FP16BF16INT8INT4TF32FP64
AI accelerator
—
Peak AI TOPS
—
Notes
The PowerVR SGX554MP4 predates Metal and has no programmable machine-learning datapath.

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