i9-9900 vs i7-4950HQ

Place in the ranking	1383	743
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	8.52
Market segment	Laptop	Desktop processor
Series	Intel Core i7	Intel Core i9
Power efficiency	8.36	15.11
Architecture codename	Crystalwell (2013−2014)	Coffee Lake-R (2018−2019)
Release date	7 June 2013 (11 years ago)	23 April 2019 (5 years ago)
Launch price (MSRP)	$657	$439

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-4950HQ and Core i9-9900 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	4 (Quad-Core)	8 (Octa-Core)
Threads	8	16
Base clock speed	2.4 GHz	3.1 GHz
Boost clock speed	3.6 GHz	5 GHz
Bus type	DMI 2.0	DMI 3.0
Bus rate	5 GT/s	4 × 8 GT/s
Multiplier	24	no data
L1 cache	64K (per core)	64K (per core)
L2 cache	256K (per core)	256K (per core)
L3 cache	8 MB (shared)	16 MB (shared)
Chip lithography	22 nm	14 nm
Die size	264 mm²	no data
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	100 °C	72 °C
Number of transistors	1,400 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	+	-

Compatibility

Information on Core i7-4950HQ and Core i9-9900 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 (Uniprocessor)
Socket	FCBGA1364	FCLGA1151
Power consumption (TDP)	47 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-4950HQ and Core i9-9900. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
My WiFi	+	no data
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	+
Thermal Monitoring	+	+
SIPP	-	+
FDI	+	no data

Security technologies

Core i7-4950HQ and Core i9-9900 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	+
MPX	-	+
Identity Protection	+	+
SGX	no data	Yes with Intel® ME
OS Guard	no data	+
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-4950HQ and Core i9-9900 are enumerated here.

AMD-V	+	-
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-4950HQ and Core i9-9900. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-2666
Maximum memory size	32 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	42.671 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel Iris Pro Graphics 5200	Intel UHD Graphics 630
Max video memory	2 GB	64 GB
Quick Sync Video	+	+
Clear Video	no data	+
Clear Video HD	+	+
Graphics max frequency	1.3 GHz	1.2 GHz
InTru 3D	+	+

Graphics interfaces

Available interfaces and connections of Core i7-4950HQ and Core i9-9900 integrated GPUs.

Number of displays supported	3	3
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
VGA	+	no data

Graphics image quality

Maximum display resolutions supported by Core i7-4950HQ and Core i9-9900 integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	3840x2160@30Hz	4096 x 2304@24Hz
Max resolution over eDP	no data	4096 x 2304@60Hz
Max resolution over DisplayPort	3840x2160@60Hz	4096 x 2304@60Hz
Max resolution over VGA	2880x1800@60Hz	no data

Graphics API support

APIs supported by Core i7-4950HQ and Core i9-9900 integrated GPUs, sometimes API versions are included.

DirectX	11.2/12	12
OpenGL	4.3	4.5

Peripherals

Specifications and connection of peripherals supported by Core i7-4950HQ and Core i9-9900.

PCIe version	3	3.0
PCI Express lanes	16	16

Gaming performance

Pros & cons summary

Performance score	4.15	10.38
Integrated graphics card	3.06	3.09
Recency	7 June 2013	23 April 2019
Physical cores	4	8
Threads	8	16
Chip lithography	22 nm	14 nm
Power consumption (TDP)	47 Watt	65 Watt

i7-4950HQ has 38.3% lower power consumption.

i9-9900, on the other hand, has a 150.1% higher aggregate performance score, 1% faster integrated GPU, an age advantage of 5 years, 100% more physical cores and 100% more threads, and a 57.1% more advanced lithography process.

The Core i9-9900 is our recommended choice as it beats the Core i7-4950HQ in performance tests.

Be aware that Core i7-4950HQ is a notebook processor while Core i9-9900 is a desktop one.

Should you still have questions on choice between Core i7-4950HQ and Core i9-9900, ask them in Comments section, and we shall answer.