Intel Core2 Duo Processor E8000 and E7000 Series and Intel Pentium Processor E5000 Series

ATX Thermal/Mechanical Design Information
Thermal and Mechanical Design Guidelines 55
6.2 Validation Results for Reference Design
6.2.1 Heatsink Performance
Table 6–1 provides the E18764-001 heatsink performance for the processors of Intel
®
Core
™
2 Duo Processor E8000 series with 6 MB cache, Intel
®
Core
™
2 Duo Processor
E7000 series with 3 MB cache, and Intel
®
Pentium dual-core processor E5000 series
with 2 MB cache. The results are based on the test procedure described in
Section 6.2.4.
The tables also include a T
A
assumption of 40° C for the Intel reference thermal
solution at the processor fan heatsink inlet discussed Section
2.4.1.
Table
6–1. E18764-001 Reference Heatsink Performance
Processor Target Thermal
Performance,
Ψca
(Mean + 3σ)
T
A
Assumption
Notes
Intel
®
Core
™
2 Duo Processor E8000
series with 6 MB cache
0.50 °C/W 40 °C 1, 2
Intel
®
Core
™
2 Duo Processor E7000
series with 3 MB cache / Intel
®
Pentium dual-core processor E5000
series with 2 MB cache
0.52 °C/W 40 °C 1, 2
NOTES:
1. Performance targets (Ψ ca) as measured with a live processor at TDP.
2. The difference in Ψ ca between the Intel
®
Core
™
2 Duo processor E8000 series with
6 MB cache and Intel
®
Core
™
2 Duo processor E7000 series with 3 MB cache, and Intel
®
Pentium dual-core processor E5000 series with 2 MB cache is due to a slight difference
in the die size.