Intel Core i7-4785T vs Intel Core i5-655K

Comparative analysis of Intel Core i7-4785T and Intel Core i5-655K processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, 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, GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

Intel Core i7-4785T

Intel Core i5-655K

Differences

Reasons to consider the Intel Core i7-4785T

2 more cores, run more applications at once: 4 vs 2
4 more threads: 8 vs 4
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
Around 95% higher maximum memory size: 32 GB vs 16.38 GB
2.1x lower typical power consumption: 35 Watt vs 73 Watt
Around 22% better performance in PassMark - Single thread mark: 1765 vs 1446
2.7x better performance in PassMark - CPU mark: 5530 vs 2017

Specifications (specs)
Number of cores	4 vs 2
Number of threads	8 vs 4
Manufacturing process technology	22 nm vs 32 nm
Maximum memory size	32 GB vs 16.38 GB
Thermal Design Power (TDP)	35 Watt vs 73 Watt
Benchmarks
PassMark - Single thread mark	1765 vs 1446
PassMark - CPU mark	5530 vs 2017

Reasons to consider the Intel Core i5-655K

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 8% higher clock speed: 3.46 GHz vs 3.20 GHz
Around 9% higher maximum core temperature: 72.6°C vs 66.35°C
3.4x better performance in Geekbench 4 - Single Core: 2510 vs 749
Around 76% better performance in Geekbench 4 - Multi-Core: 4869 vs 2760

Specifications (specs)
Unlocked	Unlocked vs Locked
Maximum frequency	3.46 GHz vs 3.20 GHz
Maximum core temperature	72.6°C vs 66.35°C
Benchmarks
Geekbench 4 - Single Core	2510 vs 749
Geekbench 4 - Multi-Core	4869 vs 2760

Compare benchmarks

CPU 1: Intel Core i7-4785T
CPU 2: Intel Core i5-655K

PassMark - Single thread mark

CPU 1

CPU 2

1765

1446

PassMark - CPU mark

CPU 1

CPU 2

5530

2017

Geekbench 4 - Single Core

CPU 1

CPU 2

749

2510

Geekbench 4 - Multi-Core

CPU 1

CPU 2

2760

4869

Name	Intel Core i7-4785T	Intel Core i5-655K
PassMark - Single thread mark	1765	1446
PassMark - CPU mark	5530	2017
Geekbench 4 - Single Core	749	2510
Geekbench 4 - Multi-Core	2760	4869
GFXBench 4.0 - Car Chase Offscreen (Frames)	1091
GFXBench 4.0 - Manhattan (Frames)	2783
GFXBench 4.0 - T-Rex (Frames)	3990
GFXBench 4.0 - Car Chase Offscreen (Fps)	1091
GFXBench 4.0 - Manhattan (Fps)	2783
GFXBench 4.0 - T-Rex (Fps)	3990

Compare specifications (specs)

	Intel Core i7-4785T	Intel Core i5-655K
Essentials
Architecture codename	Haswell	Clarkdale
Launch date	Q2'14	May 2010
Place in performance rating	1231	1217
Processor Number	i7-4785T	i5-655K
Series	4th Generation Intel® Core™ i7 Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Vertical segment	Desktop	Desktop
Price now		$59.99
Value for money (0-100)		16.69
Performance
64 bit support
Base frequency	2.20 GHz	3.20 GHz
Bus Speed	5 GT/s DMI2	2.5 GT/s DMI
Manufacturing process technology	22 nm	32 nm
Maximum core temperature	66.35°C	72.6°C
Maximum frequency	3.20 GHz	3.46 GHz
Number of cores	4	2
Number of threads	8	4
Die size		81 mm2
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		4096 KB (shared)
Transistor count		382 million
Unlocked
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, DDR3L-1333/1600 @ 1.5V	DDR3 1066/1333
Graphics
Device ID	0x412
Graphics base frequency	350 MHz	733 MHz
Graphics max dynamic frequency	1.20 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory	2 GB
Processor graphics	Intel® HD Graphics 4600	Intel HD Graphics
Graphics interfaces
DisplayPort
DVI
eDP
HDMI
Number of displays supported	3	2
VGA
Graphics image quality
Max resolution over DisplayPort	3840x2160@60Hz
Max resolution over eDP	3840x2160@60Hz
Max resolution over HDMI 1.4	4096x2304@24Hz
Max resolution over VGA	1920x1200@60Hz
Graphics API support
DirectX	11.2/12
OpenGL	4.3
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	FCLGA1150	FCLGA1156
Thermal Design Power (TDP)	35 Watt	73 Watt
Thermal Solution	PCG 2013A
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	Up to 3.0	2.0
PCIe configurations	Up to 1x16, 2x8, 1x8+2x4	1x16, 2x8
Scalability	1S Only
Security & Reliability
Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® My WiFi technology
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Flexible Display interface (FDI)
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)