Xeon w3-2423 vs Core 2 Duo T9900

Place in the ranking	2651	790
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	56.28
Market segment	Laptop	Server
Series	Intel Core 2 Duo	no data
Power efficiency	2.02	7.58
Architecture codename	Penryn (2008−2011)	Sapphire Rapids (2023−2024)
Release date	2 June 2009 (15 years ago)	15 February 2023 (1 year ago)
Launch price (MSRP)	$530	$359

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core 2 Duo T9900 and Xeon w3-2423 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)	6 (Hexa-Core)
Threads	2	12
Base clock speed	3.06 GHz	2.1 GHz
Boost clock speed	0.07 GHz	4.2 GHz
Bus rate	1066 MHz	no data
L1 cache	64 KB (per core)	80 KB (per core)
L2 cache	6 MB (shared)	2 MB (per core)
L3 cache	6 MB L2 Cache	15 MB
Chip lithography	45 nm	Intel 7 nm
Die size	107 mm²	no data
Maximum core temperature	105 °C	no data
Maximum case temperature (TCase)	no data	64 °C
Number of transistors	410 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
VID voltage range	1.05V-1.2125V	no data

Compatibility

Information on Core 2 Duo T9900 and Xeon w3-2423 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	1
Socket	BGA479,PGA478	FCLGA4677
Power consumption (TDP)	35 Watt	120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T9900 and Xeon w3-2423. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	-	+
AVX	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	-	+
TSX	-	+
Demand Based Switching	-	no data
Turbo Boost Max 3.0	no data	+
Deep Learning Boost	-	+

Security technologies

Core 2 Duo T9900 and Xeon w3-2423 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
SGX	no data	-
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo T9900 and Xeon w3-2423 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 T9900 and Xeon w3-2423. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2, DDR3	DDR5-4400
Maximum memory size	no data	2 TB
Max memory channels	no data	4
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

N/A

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo T9900 and Xeon w3-2423.

PCIe version	no data	5.0
PCI Express lanes	no data	64

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.

Core 2 Duo T9900 0.75

Xeon w3-2423 9.65
+1187%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Core 2 Duo T9900 1189

Xeon w3-2423 15275
+1185%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Core 2 Duo T9900 398

Xeon w3-2423 1647
+314%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Core 2 Duo T9900 638

Xeon w3-2423 7272
+1040%

Gaming performance

Pros & cons summary

Performance score	0.75	9.65
Recency	2 June 2009	15 February 2023
Physical cores	2	6
Threads	2	12
Power consumption (TDP)	35 Watt	120 Watt

Core 2 Duo T9900 has 242.9% lower power consumption.

Xeon w3-2423, on the other hand, has a 1186.7% higher aggregate performance score, an age advantage of 13 years, and 200% more physical cores and 500% more threads.

The Xeon w3-2423 is our recommended choice as it beats the Core 2 Duo T9900 in performance tests.

Be aware that Core 2 Duo T9900 is a notebook processor while Xeon w3-2423 is a server/workstation one.

Should you still have questions on choice between Core 2 Duo T9900 and Xeon w3-2423, ask them in Comments section, and we shall answer.