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Intel Core 2 Duo E4xxx series processor (Allendale)
Identification
Model name:
Core 2 Duo E4xxx series.
Code name:
Allendale.
Supplier:
Intel.
Component class:
CPU.
Generation
Generation: Core 2.
Compatibility
Dual-core technology.
64 bit technology: EM64T.
Multimedia instruction sets: MMX, SSE, SSE2, SSE3, SSSE3.
Cache
L1 cache: (2x) 32 kbyte instruction cache, 32 kbyte data cache (Harvard architecture).
Shared L2 cache: 2 Mbyte.
Architecture
200 MHz QDR bus.
Memory protection: XD bit.
Protected program execution environment: LaGrande Technology (LT).
No Virtualization Technology (VT, Vanderpool).
Multi-processing
Dual-core technology.
Multiplier
Power management
Power management:
- Enhanced Intel SpeedStep Technology (EIST),
- Enhanced Halt State (C1E),
- E4500: Extended Stop Grant State (C2E).
Clock speed
| Clock speed | Model | Multiplier | Voltage | Introduction | Order part numbers |
|---|---|---|---|---|---|
| 200/1800 MHz | Intel Core 2 Duo E4300 CPU | 9 | 1.225-1.325 V | January 2007 |
OEM (stepping L2): HH80557PG0332M, PIB (stepping L2): BX80557E4300 |
| 200/2000 MHz | Intel Core 2 Duo E4400 CPU | 10 |
stepping L2: 1.162-1.312 V, stepping M0: 0.962-1.325 V |
April 2007 |
OEM (stepping L2, M0): HH80557PG0412M, PIB (stepping L2, M0): BX80557E4400 |
| 200/2200 MHz | Intel Core 2 Duo E4500 1 CPU | 11 | 0.962-1.325 V | July 2007 |
OEM (stepping M0): HH80557PG0492M, PIB (stepping M0): BX80557E4500 |
| 200/2400 MHz | Intel Core 2 Duo E4600 CPU | 12 | 1.162-1.312 V | October 2007 |
OEM (stepping M0): HH80557PG0562M, PIB (stepping M0): BX80557E4600 |
| 200/2600 MHz | Intel Core 2 Duo E4700 CPU | 13 | 1.162-1.312 V | March 2008 |
OEM (stepping G0): HH80557PG0642M, PIB (stepping G0): BXC80557E4700, PIB (stepping G0): BX80557E4700 |
Physics
Temperature:
- stepping L2: 5-61.4 °C,
- stepping M0: 5-73.3 °C,
- stepping G0: 5-73.3 °C.
Manufacturing process: 65 nm (P1264).
Number of transistors: 167 million.
Die size: 111 mm2.
Packaging: Socket T / LGA 775.
System management
Remote management: Intel Active Management (iAMT2).
CPUID32
| Type | Family | Model | Stepping | Description |
|---|---|---|---|---|
| 0x0 | 0x6 | 0xF | 0x2 | stepping L2 |
| 0x0 | 0x6 | 0xF | 0xD | stepping M0 |
| 0x0 | 0x6 | 0xF | 0xB | stepping G0 |
Step level
Text:
Step levels:
- L2: Extended HALT power specification reduced from 22 W to 12 W,
- M0 (July 22, 2007): Extended HALT power specification reduced from 12 W to 8 W,
- G0.
S-Spec / Stepping code
| Model | Code | Stepping | Description |
|---|---|---|---|
| Intel Core 2 Duo E4300 CPU | SL9TB | L2 | PCG: 06 |
| Intel Core 2 Duo E4400 CPU | SLA3F | L2 | PCG: 06 |
| Intel Core 2 Duo E4600 CPU | SLA94 | M0 | PCG: 06 |
| Intel Core 2 Duo E4500 CPU | SLA95 | M0 | PCG: 06 |
| Intel Core 2 Duo E4400 CPU | SLA98 | M0 | PCG: 06 |
| Intel Core 2 Duo E4700 CPU | Q5UX | G0 ES | |
| Intel Core 2 Duo E4700 CPU | SLALT | G0 | PCG: 06 |
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