Intels Penryn

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Intels Penryn
- 45 nm quad-core -
Sima Dezso
Fall 2007
Version 1.0
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Figure 6.1Chip dynamic and static power
dissipation trends 4
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Figure New transistor layout 3
Switching speed 120 Leakage current 10
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Source5
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Penryn ()
Core enhancements of Penryn over Core 2

• Larger L2 cache (2 x 4 MB 2 x 6 MB)
• Fast radix-16 divider
• Single-pass 128-bit wide shuffle engine
• SSE4
• Improved virtualization
• Reduced dissipation
• Faster FSB (1.333 GT/s to 1.6 GT/s)

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Source5
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PIII
P4
P4 Prescott
Core
Penryn
(KNI) (Katmai New Insructions)
(PNI)
Figure Evolution of the Streaming SIMD Extension
(SSE) instruction set 1
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Core 2 based
Penryn based
Figure Clovertown vs Harpertown DP server chips
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Figure The dual-core Penryn die (107 mm2) 1
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Figure The quad-core (2xdual-core) Yorkfield
die 1
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Nov.11 2007 Announcement of 16 45 nm quad-core
processors
1 model QX9650 High end desktop/gaming
12 models 5400 QC DP server line
3 models 5200 DC DP server line
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Key features of the QX9650
1333MHz FSB 3.0GHz clock speed with four
processing cores (quad-core) 12MB L2 cache
(2x6MB) 45nm high-K metal gate transistor
technology 214mm2 die size, 820M
transistors SSE4 instructions 130W Thermal
Design Power, C-Stepping Overspeed protection
(clock multiplier) removed Enhanced Intel
SpeedStep Technology (EIST) Intel 64
Technology Intel Virtualization Technology
(VT) Supports Execute Disable Bit (XD) LGA-775
socket interface
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Table Key features of the Xeon 5400/5200 family
of DP DC/QC processors 2
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References
1 Töpelt B., Intel's 45 nm Penryn CPU 4 GHz
Air Cooled, Oct. 2007, Toms Hardware,
http//www.tomshardware.com/2007/10/29/intel_penry
n_4ghz_with_air_cooling/index.html
2 http//download.intel.com/products/processor/
xeon/dc54kprodbrief.pdf
3 Romanchenko V., Intel Penryn first 45-nm
processors, Jan. 2007, digital daily,
http//www.digital-daily.com/cpu/intel_penryn/
4 Kim N. S. et al., Leakage Current Moores
Law Meets Static Power, Computer, Dec. 2003, pp.
68-75.
5 Smalley T. Swinburne R., Intel Core 2
Extreme QX9650, Oct. 2007, bit-tech.net
http//www.bit-tech.net/hardware/2007/10/29/intel_
core_2_extreme_qx9650/1