Xeon 6776P-B vs Core 2 Duo E4300

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	3362	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Power efficiency	0.22	no data
Designer	Intel	Intel
Architecture codename	Allendale (2006−2009)	no data
Release date	July 2006 (19 years ago)	1 October 2025 (less than a year ago)

Detailed specifications

Core 2 Duo E4300 and Xeon 6776P-B basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	2 (Dual-core)	72 (Doheptaconta-Core)
Performance-cores	no data	72
Threads	2	144
Base clock speed	1.8 GHz	2.3 GHz
Boost clock speed	1.8 GHz	3.5 GHz
Bus rate	800 MHz	0 GT/s
L1 cache	64 KB	no data
L2 cache	2 MB	no data
L3 cache	0 KB	288 MB
Chip lithography	65 nm	Intel 3 nm
Die size	111 mm2	no data
Maximum core temperature	61 °C	85 °C
Number of transistors	167 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data
VID voltage range	0.85V-1.5V	no data

Compatibility

Information on Core 2 Duo E4300 and Xeon 6776P-B compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	no data
Socket	LGA775	FCBGA5026
Power consumption (TDP)	65 Watt	325 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E4300 and Xeon 6776P-B. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512, Intel® AMX
AES-NI	-	+
Enhanced SpeedStep (EIST)	+	-
QuickAssist	no data	+
Speed Shift	no data	-
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	-	+
Idle States	+	no data
Thermal Monitoring	+	-
Demand Based Switching	-	no data
FSB parity	-	no data
Deep Learning Boost	-	+

Security technologies

Core 2 Duo E4300 and Xeon 6776P-B technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
SGX	no data	Yes with Intel® SPS

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E4300 and Xeon 6776P-B are enumerated here.

VT-d	no data	+
VT-x	-	+
EPT	no data	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E4300 and Xeon 6776P-B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR5
Maximum memory size	no data	2.25 TB
Max memory channels	no data	8
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E4300 and Xeon 6776P-B.

PCIe version	no data	Gen4, Gen5
PCI Express lanes	no data	48
Integrated LAN	no data	+

Pros & cons summary

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Physical cores	2	72
Threads	2	144
Power consumption (TDP)	65 Watt	325 Watt