Intel Core i5-3450 vs Intel Core 2 Extreme QX9650

Comparative analysis of Intel Core i5-3450 and Intel Core 2 Extreme QX9650 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

Intel Core i5-3450

Intel Core 2 Extreme QX9650

Differences

Reasons to consider the Intel Core i5-3450

CPU is newer: launch date 4 year(s) 4 month(s) later
Around 17% higher clock speed: 3.50 GHz vs 3 GHz
Around 4% higher maximum core temperature: 67.4°C vs 64.5°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 45 nm
Around 69% lower typical power consumption: 77 Watt vs 130 Watt
Around 55% better performance in Geekbench 4 - Single Core: 721 vs 465
Around 63% better performance in Geekbench 4 - Multi-Core: 2379 vs 1463

Specifications (specs)
Launch date	April 2012 vs November 2007
Maximum frequency	3.50 GHz vs 3 GHz
Maximum core temperature	67.4°C vs 64.5°C
Manufacturing process technology	22 nm vs 45 nm
Thermal Design Power (TDP)	77 Watt vs 130 Watt
Benchmarks
Geekbench 4 - Single Core	721 vs 465
Geekbench 4 - Multi-Core	2379 vs 1463

Reasons to consider the Intel Core 2 Extreme QX9650

Processor is unlocked, an unlocked multiplier allows for easier overclocking
12x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 83% better performance in 3DMark Fire Strike - Physics Score: 4864 vs 2657

Specifications (specs)
Unlocked	Unlocked vs Locked
L2 cache	12288 KB vs 256 KB (per core)
Benchmarks
3DMark Fire Strike - Physics Score	4864 vs 2657

Compare benchmarks

CPU 1: Intel Core i5-3450
CPU 2: Intel Core 2 Extreme QX9650

Geekbench 4 - Single Core

CPU 1

CPU 2

721

465

Geekbench 4 - Multi-Core

CPU 1

CPU 2

2379

1463

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

2657

4864

Name	Intel Core i5-3450	Intel Core 2 Extreme QX9650
PassMark - Single thread mark	1871
PassMark - CPU mark	4506
Geekbench 4 - Single Core	721	465
Geekbench 4 - Multi-Core	2379	1463
3DMark Fire Strike - Physics Score	2657	4864
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.092
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	73.265
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.367
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.736
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	5.132
GFXBench 4.0 - T-Rex (Frames)	2004
GFXBench 4.0 - T-Rex (Fps)	2004

Compare specifications (specs)

	Intel Core i5-3450	Intel Core 2 Extreme QX9650
Essentials
Architecture codename	Ivy Bridge	Yorkfield
Launch date	April 2012	November 2007
Launch price (MSRP)	$186
Place in performance rating	2269	2276
Price now	$127.99
Processor Number	i5-3450	QX9650
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Value for money (0-100)	15.00
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.10 GHz	3.00 GHz
Bus Speed	5 GT/s DMI	1333 MHz FSB
Die size	160 mm	214 mm2
L1 cache	64 KB (per core)	256 KB
L2 cache	256 KB (per core)	12288 KB
L3 cache	6144 KB (shared)
Manufacturing process technology	22 nm	45 nm
Maximum case temperature (TCase)	67 °C	64 °C
Maximum core temperature	67.4°C	64.5°C
Maximum frequency	3.50 GHz	3 GHz
Number of cores	4	4
Number of threads	4
Transistor count	1400 million	820 million
Unlocked
VID voltage range		0.8500V-1.3625V
Memory
Max memory channels	2
Maximum memory bandwidth	25.6 GB/s
Maximum memory size	32 GB
Supported memory types	DDR3 1333/1600	DDR1, DDR2, DDR3
Graphics
Device ID	0x152
Graphics base frequency	650 MHz
Graphics max dynamic frequency	1.10 GHz
Graphics max frequency	1.1 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics	Intel® HD Graphics 2500
Graphics interfaces
Number of displays supported	3
Wireless Display (WiDi) support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	FCLGA1155	LGA775
Thermal Design Power (TDP)	77 Watt	130 Watt
Thermal Solution	2011D
Peripherals
PCI Express revision	3.0
PCIe configurations	up to 1x16, 2x8, 1x8 & 2x4
Security & Reliability
Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
FSB parity
Intel® Demand Based Switching
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)