Core 2 Quad Q9450 vs Xeon W-2245

Place in the ranking	624	2222
Place by popularity	not in top-100	not in top-100
Market segment	Server	Desktop processor
Power efficiency	7.48	1.37
Architecture codename	no data	Yorkfield (2007−2009)
Release date	1 October 2019 (5 years ago)	March 2008 (16 years ago)

Detailed specifications

Xeon W-2245 and Core 2 Quad Q9450 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	8 (Octa-Core)	4 (Quad-Core)
Threads	16	4
Base clock speed	3.9 GHz	2.66 GHz
Boost clock speed	4.7 GHz	2.67 GHz
Bus rate	8 GT/s	1333 MHz
L1 cache	no data	64K (per core)
L2 cache	no data	12 MB (shared)
L3 cache	16.5 MB	0 KB
Chip lithography	14 nm	45 nm
Die size	no data	2x 107 mm²
Maximum core temperature	59 °C	no data
Maximum case temperature (TCase)	no data	71 °C
Number of transistors	no data	820 million
64 bit support	+	+
Windows 11 compatibility	+	-
VID voltage range	no data	0.85V-1.3625V

Compatibility

Information on Xeon W-2245 and Core 2 Quad Q9450 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	FCLGA2066	LGA775
Power consumption (TDP)	155 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2245 and Core 2 Quad Q9450. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	-
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	-
TSX	+	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	-	no data
Demand Based Switching	+	-
PAE	46 Bit	no data
Turbo Boost Max 3.0	+	no data
FSB parity	no data	+
Deep Learning Boost	+	-

Security technologies

Xeon W-2245 and Core 2 Quad Q9450 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	no data
MPX	+	-
Identity Protection	+	-
SGX	-	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2245 and Core 2 Quad Q9450 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-2245 and Core 2 Quad Q9450. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR1, DDR2, DDR3
Maximum memory size	1 TB	no data
Max memory channels	4	no data
Maximum memory bandwidth	93.85 GB/s	no data
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon W-2245 and Core 2 Quad Q9450.

PCIe version	3.0	no data
PCI Express lanes	48	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 W-2245 12.25
+788%

Core 2 Quad Q9450 1.38

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.

Xeon W-2245 19466
+790%

Core 2 Quad Q9450 2186

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.

Xeon W-2245 1562
+354%

Core 2 Quad Q9450 344

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.

Xeon W-2245 8474
+790%

Core 2 Quad Q9450 952

Gaming performance

Pros & cons summary

Performance score	12.25	1.38
Physical cores	8	4
Threads	16	4
Chip lithography	14 nm	45 nm
Power consumption (TDP)	155 Watt	95 Watt

Xeon W-2245 has a 787.7% higher aggregate performance score, 100% more physical cores and 300% more threads, and a 221.4% more advanced lithography process.

Core 2 Quad Q9450, on the other hand, has 63.2% lower power consumption.

The Xeon W-2245 is our recommended choice as it beats the Core 2 Quad Q9450 in performance tests.

Be aware that Xeon W-2245 is a server/workstation processor while Core 2 Quad Q9450 is a desktop one.

Should you still have questions on choice between Xeon W-2245 and Core 2 Quad Q9450, ask them in Comments section, and we shall answer.