"Power Processing Unit" redirects here. For the electrical circuit device, see Power processing unit.
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POWER, PowerPC, and Power ISA architectures
NXP (formerly Freescale and Motorola)
PowerPC e series (2006)
e200
e300
e500
e600
e5500
e6500
Qor series (2008)
QorIQ
Qorivva
IBM
Power series (1990)
POWER1
POWER2
POWER3
POWER4
POWER5
POWER6
POWER7
POWER8
POWER9
Power10
PowerPC series (1992)
6xx
4xx
7xx
74xx
970
A2 (2010)
A2I
A2O
RAD series (1997)
RAD6000
RAD750
RAD5500
RS64 series (1996)
IBM/Nintendo
Gekko
Broadway
Espresso
Other
Titan
PWRficient
Cell
Xenon
X704
Related links
OpenPOWER Foundation
AIM alliance
RISC
Blue Gene
Power.org
PAPR
PReP
CHRP
AltiVec
Cancelled in gray, historic in italic
v
t
e
Power Processing Element
General information
Launched
2005
Discontinued
Present
Marketed by
IBM, Sony, Microsoft
Designed by
IBM
Common manufacturer
IBM
Performance
Max. CPU clock rate
2.8 GHz to 3.2 GHz
Cache
L1 cache
32 KB instruction + 32 KB data
Architecture and classification
Application
Gaming Console, HPC
Technology node
90 nm to 45 nm
Microarchitecture
PPU
Instruction set
PowerPC 2.02
Physical specifications
Cores
1
GPUs
Xenos, in the XCGPU variant.
Products, models, variants
Variant
Cell BE, XCPU, XCGPU, PowerXCell 8i
History
Successor
IBM A2
The Power Processing Element (PPE) comprises a Power Processing Unit (PPU) and a 512 KB L2 cache. In most instances the PPU is used in a PPE. The PPU is a 64-bit dual-threaded in-order PowerPC 2.02 microprocessor core designed by IBM for use primarily in the game consoles PlayStation 3 and Xbox 360, but has also found applications in high performance computing in supercomputers such as the record setting IBM Roadrunner.
The PPU is used as a main CPU core in three different processor designs:
The Cell Broadband Engine (Cell BE) which is used primarily in Sony's PlayStation 3 gaming console. It uses the PPE and comes in three versions, a 90 nm, a 65 nm and a 45 nm part.
The PowerXCell 8i which is a version of the Cell BE with enhanced FPU and memory subsystem. It was only manufactured as a single 65 nm version.
The XCPU which is used in a three-core configuration and a unified 1 MB L2 cache inside Microsoft's Xbox 360. It comes in three versions, the 90 nm and 65 nm versions, and the 45 nm XCGPU with an integrated graphics processor from ATI.
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