Xeon Gold 5403N vs Core 2 Extreme QX9650

Primary details

Comparing Core 2 Extreme QX9650 and Xeon Gold 5403N processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Architecture codename	Yorkfield (2007−2009)	no data
Release date	November 2007 (17 years ago)	1 October 2023 (1 year ago)

Detailed specifications

Core 2 Extreme QX9650 and Xeon Gold 5403N 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	4 (Quad-Core)	12 (Dodeca-Core)
Threads	4	24
Base clock speed	3 GHz	2 GHz
Boost clock speed	3 GHz	3.9 GHz
Bus rate	1333 MHz	no data
L1 cache	64K (per core)	no data
L2 cache	12 MB (shared)	no data
L3 cache	0 KB	22.5 MB
Chip lithography	45 nm	Intel 7 nm
Die size	2x 107 mm2	no data
Maximum core temperature	no data	85 °C
Maximum case temperature (TCase)	64 °C	no data
Number of transistors	820 million	no data
64 bit support	+	-
Windows 11 compatibility	-	no data
Unlocked multiplier	+	-
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Core 2 Extreme QX9650 and Xeon Gold 5403N 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	FCLGA4677
Power consumption (TDP)	130 Watt	115 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme QX9650 and Xeon Gold 5403N. You'll probably need this information if you require some particular technology.

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

Security technologies

Core 2 Extreme QX9650 and Xeon Gold 5403N technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Extreme QX9650 and Xeon Gold 5403N 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 Extreme QX9650 and Xeon Gold 5403N. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR5-4000
Maximum memory size	no data	4 TB
Max memory channels	no data	8
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Core 2 Extreme QX9650 and Xeon Gold 5403N.

PCIe version	no data	4
PCI Express lanes	no data	48

Pros & cons summary

---

Physical cores	4	12
Threads	4	24
Power consumption (TDP)	130 Watt	115 Watt

---

Should you still have questions on choice between Core 2 Extreme QX9650 and Xeon Gold 5403N, 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.

---