Celeron G4950 vs i7-4940MX

Place in the ranking	1352	2035
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	5.37
Market segment	Laptop	Desktop processor
Series	Intel Core i7	Intel Celeron
Power efficiency	7.13	2.99
Architecture codename	Haswell (2013−2015)	Coffee Lake (2017−2019)
Release date	20 January 2014 (10 years ago)	23 April 2019 (5 years ago)
Launch price (MSRP)	$1,096	$52

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-4940MX and Celeron G4950 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)	2 (Dual-core)
Threads	8	2
Base clock speed	3.1 GHz	3.3 GHz
Boost clock speed	4 GHz	3.3 GHz
Bus type	no data	DMI 3.0
Bus rate	5 GT/s	4 × 8 GT/s
L1 cache	64K (per core)	128 KB
L2 cache	256K (per core)	512 KB
L3 cache	8 MB (shared)	2 MB
Chip lithography	22 nm	14 nm
Die size	177 mm²	126 mm²
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	100 °C	no data
Number of transistors	1,400 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	+	-

Compatibility

Information on Core i7-4940MX and Celeron G4950 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	FCPGA946	FCLGA1151
Power consumption (TDP)	57 Watt	54 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-4940MX and Celeron G4950. 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
AES-NI	+	+
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	-
TSX	+	-
Idle States	+	+
Thermal Monitoring	+	+
FDI	+	no data

Security technologies

Core i7-4940MX and Celeron G4950 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 i7-4940MX and Celeron G4950 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-4940MX and Celeron G4950. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-2400
Maximum memory size	32 GB	64 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	38.397 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics 4600	Intel UHD Graphics 610
Max video memory	1.7 GB	64 GB
Quick Sync Video	+	+
Clear Video	no data	+
Clear Video HD	+	+
Graphics max frequency	1.35 GHz	1.05 GHz
InTru 3D	+	+

Graphics interfaces

Available interfaces and connections of Core i7-4940MX and Celeron G4950 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 i7-4940MX and Celeron G4950 integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	no data	4096x2304@24Hz
Max resolution over eDP	no data	4096x2304@60Hz
Max resolution over DisplayPort	no data	4096x2304@60Hz

Graphics API support

APIs supported by Core i7-4940MX and Celeron G4950 integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Core i7-4940MX and Celeron G4950.

PCIe version	3	3.0
PCI Express lanes	16	16

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i7-4940MX 4.46
+152%

Celeron G4950 1.77

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i7-4940MX 6830
+152%

Celeron G4950 2714

Gaming performance

Pros & cons summary

Performance score	4.46	1.77
Integrated graphics card	1.84	1.89
Recency	20 January 2014	23 April 2019
Physical cores	4	2
Threads	8	2
Chip lithography	22 nm	14 nm
Power consumption (TDP)	57 Watt	54 Watt

i7-4940MX has a 152% higher aggregate performance score, and 100% more physical cores and 300% more threads.

Celeron G4950, on the other hand, has 2.7% faster integrated GPU, an age advantage of 5 years, a 57.1% more advanced lithography process, and 5.6% lower power consumption.

The Core i7-4940MX is our recommended choice as it beats the Celeron G4950 in performance tests.

Be aware that Core i7-4940MX is a notebook processor while Celeron G4950 is a desktop one.

Should you still have questions on choice between Core i7-4940MX and Celeron G4950, ask them in Comments section, and we shall answer.