Xeon D-2799 vs Core 2 Duo E8400

Primary details

Comparing Core 2 Duo E8400 and Xeon D-2799 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2562	223
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.86	no data
Market segment	Desktop processor	Server
Architecture codename	Wolfdale (2008−2010)	no data
Release date	1 January 2008 (16 years ago)	1 January 2022 (2 years ago)
Current price	$61	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core 2 Duo E8400 and Xeon D-2799 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)	20 (Icosa-Core)
Threads	2	40
Base clock speed	3 GHz	2.4 GHz
Boost clock speed	3 GHz	3.4 GHz
L1 cache	64 KB (per core)	no data
L2 cache	6 MB (shared)	no data
L3 cache	0 KB	30 MB
Chip lithography	45 nm	10 nm
Die size	104 mm2	no data
Maximum core temperature	72 °C	no data
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	410 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Core 2 Duo E8400 and Xeon D-2799 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	FCBGA2579
Power consumption (TDP)	65 Watt	129 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E8400 and Xeon D-2799. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® AVX-512
AES-NI	-	+
Enhanced SpeedStep (EIST)	+	+
QuickAssist	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
Status	Discontinued	Launched

Security technologies

Core 2 Duo E8400 and Xeon D-2799 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 E8400 and Xeon D-2799 are enumerated here.

VT-d	+	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E8400 and Xeon D-2799. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR4
Maximum memory size	no data	1 TB
Max memory channels	no data	4
ECC memory support	no data	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

no data

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E8400 and Xeon D-2799.

PCIe version	2.0	4.0
PCI Express lanes	no data	32
USB revision	no data	3.0
Max number of SATA 6 Gb/s Ports	no data	24
Number of USB ports	no data	4
Integrated LAN	no data	-

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

---

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Xeon D-2799 outperforms Core 2 Duo E8400 by 2813% based on our aggregate benchmark results.

---

Pros & cons summary

---

Performance score	0.75	21.85
Recency	1 January 2008	1 January 2022
Physical cores	2	20
Threads	2	40
Chip lithography	45 nm	10 nm
Power consumption (TDP)	65 Watt	129 Watt

---

Should you still have questions on choice between Core 2 Duo E8400 and Xeon D-2799, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---