Intel Core i7-4771 vs Intel Core i7-4950HQ

Comparative analysis of Intel Core i7-4771 and Intel Core i7-4950HQ 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, 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 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps).

Intel Core i7-4771

Intel Core i7-4950HQ

Differences

Reasons to consider the Intel Core i7-4771

CPU is newer: launch date 3 month(s) later
Around 8% higher clock speed: 3.90 GHz vs 3.60 GHz
Around 33% more L3 cache; more data can be stored in the L3 cache for quick access later

Launch date	September 2013 vs 1 June 2013
Maximum frequency	3.90 GHz vs 3.60 GHz
L3 cache	8192 KB (shared) vs 6144 KB

Reasons to consider the Intel Core i7-4950HQ

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 39% higher maximum core temperature: 100°C vs 72°C
Around 79% lower typical power consumption: 47 Watt vs 84 Watt

Unlocked	Unlocked vs Locked
Maximum core temperature	100°C vs 72°C
Thermal Design Power (TDP)	47 Watt vs 84 Watt

Compare benchmarks

CPU 1: Intel Core i7-4771
CPU 2: Intel Core i7-4950HQ

Name	Intel Core i7-4771	Intel Core i7-4950HQ
PassMark - Single thread mark	2192
PassMark - CPU mark	7126
Geekbench 4 - Single Core	910
Geekbench 4 - Multi-Core	3362
3DMark Fire Strike - Physics Score	9282
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	5.085
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	83.74
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.621
CompuBench 1.5 Desktop - Video Composition (Frames/s)	2.496
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	6.25
GFXBench 4.0 - Car Chase Offscreen (Frames)	1159
GFXBench 4.0 - Manhattan (Frames)	2583
GFXBench 4.0 - Car Chase Offscreen (Fps)	1159
GFXBench 4.0 - Manhattan (Fps)	2583

Compare specifications (specs)

	Intel Core i7-4771	Intel Core i7-4950HQ
Essentials
Architecture codename	Haswell	Crystal Well
Launch date	September 2013	1 June 2013
Launch price (MSRP)	$450	$657
Place in performance rating	1572	not rated
Price now	$299.99
Processor Number	i7-4771	i7-4950HQ
Series	4th Generation Intel® Core™ i7 Processors	4th Generation Intel® Core™ i7 Processors
Status	Discontinued	Launched
Value for money (0-100)	9.70
Vertical segment	Desktop	Mobile
Performance
64 bit support
Base frequency	3.50 GHz	2.40 GHz
Bus Speed	5 GT/s DMI2	5 GT/s DMI2
Die size	177 mm	260 mm
L1 cache	64 KB (per core)	256 KB
L2 cache	256 KB (per core)	1024 KB
L3 cache	8192 KB (shared)	6144 KB
Manufacturing process technology	22 nm	22 nm
Maximum case temperature (TCase)	72 °C	100 °C
Maximum core temperature	72°C	100°C
Maximum frequency	3.90 GHz	3.60 GHz
Number of cores	4	4
Number of threads	8	8
Transistor count	1400 million	1700 Million
Unlocked
Memory
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	25.6 GB/s
Maximum memory size	32 GB	32 GB
Supported memory types	DDR3-1333/1600, DDR3L-1333/1600 @ 1.5V	DDR3L 1333/1600
Graphics
Device ID	0x412	0xD26
Graphics base frequency	350 MHz	200 MHz
Graphics max dynamic frequency	1.20 GHz	1.30 GHz
Graphics max frequency	1.2 GHz	1.3 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	2 GB
Processor graphics	Intel® HD Graphics 4600	Intel® Iris® Pro Graphics 5200
Graphics interfaces
DisplayPort
DVI
eDP
HDMI
Number of displays supported	3	3
VGA
Wireless Display (WiDi) support
Graphics image quality
Max resolution over DisplayPort	3840x2160@60Hz	3840x2160@60Hz
Max resolution over eDP	3840x2160@60Hz
Max resolution over HDMI 1.4	4096x2304@24Hz	3840x2160@60Hz
Max resolution over VGA	1920x1200@60Hz	2880x1800@60Hz
Graphics API support
DirectX	11.2/12	11.2/12
OpenGL	4.3	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 32mm x 1.65mm
Sockets supported	FCLGA1150	FCBGA1364
Thermal Design Power (TDP)	84 Watt	47 Watt
Thermal Solution	PCG 2013D
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	Up to 3.0	3
PCIe configurations	Up to 1x16, 2x8, 1x8+2x4	1x16, 2x8, 1x8 2x4
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
Flexible Display interface (FDI)
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel 64
Intel® Advanced Vector Extensions (AVX)
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
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
AMD Virtualization (AMD-V™)