Intel Core i7-3770T vs Intel Core i5-661

Comparative analysis of Intel Core i7-3770T and Intel Core i5-661 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, 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 i7-3770T

Intel Core i5-661

Differences

Reasons to consider the Intel Core i7-3770T

CPU is newer: launch date 2 year(s) 2 month(s) later
2 more cores, run more applications at once: 4 vs 2
4 more threads: 8 vs 4
Around 3% higher clock speed: 3.70 GHz vs 3.60 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
2x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 95% higher maximum memory size: 32 GB vs 16.38 GB
Around 93% lower typical power consumption: 45 Watt vs 87 Watt
Around 27% better performance in PassMark - Single thread mark: 1830 vs 1446
2.2x better performance in PassMark - CPU mark: 5444 vs 2469
Around 46% better performance in Geekbench 4 - Single Core: 754 vs 518
2.3x better performance in Geekbench 4 - Multi-Core: 2820 vs 1214

Specifications (specs)
Launch date	April 2012 vs January 2010
Number of cores	4 vs 2
Number of threads	8 vs 4
Maximum frequency	3.70 GHz vs 3.60 GHz
Manufacturing process technology	22 nm vs 32 nm
L1 cache	64 KB (per core) vs 64 KB (per core)
L2 cache	256 KB (per core) vs 256 KB (per core)
L3 cache	8192 KB (shared) vs 4096 KB (shared)
Maximum memory size	32 GB vs 16.38 GB
Thermal Design Power (TDP)	45 Watt vs 87 Watt
Benchmarks
PassMark - Single thread mark	1830 vs 1446
PassMark - CPU mark	5444 vs 2469
Geekbench 4 - Single Core	754 vs 518
Geekbench 4 - Multi-Core	2820 vs 1214

Compare benchmarks

CPU 1: Intel Core i7-3770T
CPU 2: Intel Core i5-661

PassMark - Single thread mark

CPU 1

CPU 2

1830

1446

PassMark - CPU mark

CPU 1

CPU 2

5444

2469

Geekbench 4 - Single Core

CPU 1

CPU 2

754

518

Geekbench 4 - Multi-Core

CPU 1

CPU 2

2820

1214

Name	Intel Core i7-3770T	Intel Core i5-661
PassMark - Single thread mark	1830	1446
PassMark - CPU mark	5444	2469
Geekbench 4 - Single Core	754	518
Geekbench 4 - Multi-Core	2820	1214
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	7.681
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	9.952
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.302
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.849
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	3.286
GFXBench 4.0 - T-Rex (Frames)	2442
GFXBench 4.0 - T-Rex (Fps)	2442

Compare specifications (specs)

	Intel Core i7-3770T	Intel Core i5-661
Essentials
Architecture codename	Ivy Bridge	Clarkdale
Launch date	April 2012	January 2010
Launch price (MSRP)	$330	$252
Place in performance rating	2237	2238
Price now	$329.99	$99.99
Processor Number	i7-3770T	i5-661
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Value for money (0-100)	7.32	9.35
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.50 GHz	3.33 GHz
Bus Speed	5 GT/s DMI	2.5 GT/s DMI
Die size	160 mm	81 mm2
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	8192 KB (shared)	4096 KB (shared)
Manufacturing process technology	22 nm	32 nm
Maximum case temperature (TCase)	70 °C
Maximum core temperature	69.8°C	69.8°C
Maximum frequency	3.70 GHz	3.60 GHz
Number of cores	4	2
Number of threads	8	4
Transistor count	1400 million	382 million
VID voltage range		0.6500V-1.4000V
Memory
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	21 GB/s
Maximum memory size	32 GB	16.38 GB
Supported memory types	DDR3 1333/1600	DDR3 1066/1333
Graphics
Device ID	0x162
Graphics base frequency	650 MHz	900 MHz
Graphics max dynamic frequency	1.15 GHz
Graphics max frequency	1.15 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 4000	Intel HD Graphics
Graphics interfaces
Number of displays supported	3	2
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	FCLGA1156
Thermal Design Power (TDP)	45 Watt	87 Watt
Thermal Solution	2011B
Peripherals
PCI Express revision	3.0	2.0
PCIe configurations	up to 1x16, 2x8, 1x8 & 2x4	1x16, 2x8
Max number of PCIe lanes		16
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® SSE4.2
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
Intel® Demand Based Switching
Physical Address Extensions (PAE)		36-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)