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Intel® Xeon® Processor E5-1600/E5-2600/E5-4600 Product Families 97
Datasheet Volume One
Power Management
• Additional power savings actions, as allowed by the exit latency requirements,
include putting Intel QPI and PCIe* links in L1, the uncore is not available, further
voltage reduction can be taken.
In package C6 state, all cores have saved their architectural state and have had their
core voltages reduced to zero volts. The LLC retains context, but no accesses can be
made to the LLC in this state, the cores must break out to the internal state package C2
for snoops to occur.
4.2.6 Package C-State Power Specifications
The table below lists the processor package C-state power specifications for various
processor SKUs.
Notes:
1. Package C1E power specified at Tcase = 60°C.
2. Package C3/C6 power specified at Tcase = 50°C.
4.3 System Memory Power Management
The DDR3 power states can be summarized as the following:
• Normal operation (highest power consumption).
Table 4-10. Package C-State Power Specifications
TDP SKUs C1E (W) C3 (W) C6 (W)
8-Core / 6-Core
150W (8-core) 58 27 15
135W (8-core) 47 22 15
130W (8-core) 47 22 15
130W (6-core) 53 35 21
130W (6-core 1S WS) 53 35 21
115W (8-core) 47 22 15
95W (8-core) 47 22
35 (E5-2660)
15
95W (6-core) 48 22
35 (E5-2620)
15
21 (E5-2620)
70W (8-core) 39 20 14
60W (6-core) 38 20 14
LV95W-8C (8-core) 47 22 15
LV70W-8C (8-core) 39 20 14
4-Core / 2-Core
130W (4-core) 53 28 16
130W (4-Core 1S WS) 53 28 16
95W (4-core) 47 22 15
80W (4-core) 42 21
30 (E5-2603)
16
80W (2-core) 42 30 21