Athlon II X4 640 vs Celeron G3950

Place in the ranking	2161	2198
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.83	2.92
Market segment	Desktop processor	Desktop processor
Series	Intel Celeron	no data
Power efficiency	2.71	1.41
Architecture codename	Kaby Lake (2016−2019)	Propus (2009−2011)
Release date	3 January 2017 (7 years ago)	11 May 2010 (14 years ago)
Launch price (MSRP)	$52	$80

Cost-effectiveness evaluation

Performance per price, higher is better.

Athlon II X4 640 has 3% better value for money than Celeron G3950.

Detailed specifications

Celeron G3950 and Athlon II X4 640 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	2 (Dual-core)	4 (Quad-Core)
Threads	2	4
Base clock speed	3 GHz	3 GHz
Boost clock speed	3 GHz	3 GHz
Bus type	DMI 3.0	no data
Bus rate	8 GT/s	no data
Multiplier	30	no data
L1 cache	128 KB	128 KB (per core)
L2 cache	512 KB	512 KB (per core)
L3 cache	2 MB (shared)	0 KB
Chip lithography	14 nm	45 nm
Die size	no data	169 mm²
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	65 °C	no data
Number of transistors	no data	300 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Celeron G3950 and Athlon II X4 640 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 (Uniprocessor)	1
Socket	FCLGA1151	AM3
Power consumption (TDP)	51 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron G3950 and Athlon II X4 640. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	no data
AES-NI	+	-
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	-

Security technologies

Celeron G3950 and Athlon II X4 640 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron G3950 and Athlon II X4 640 are enumerated here.

VT-d	+	no data
VT-x	+	no data
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron G3950 and Athlon II X4 640. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 2133, DDR3L 1333/1600	DDR3
Maximum memory size	64 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	38.397 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

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

Graphics interfaces

Available interfaces and connections of Celeron G3950 and Athlon II X4 640 integrated GPUs.

Number of displays supported

no data

Graphics image quality

Maximum display resolutions supported by Celeron G3950 and Athlon II X4 640 integrated GPUs, including resolutions over different interfaces.

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

Graphics API support

APIs supported by Celeron G3950 and Athlon II X4 640 integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.4	no data

Peripherals

Specifications and connection of peripherals supported by Celeron G3950 and Athlon II X4 640.

PCIe version	3.0	2.0
PCI Express lanes	16	no data

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.

Celeron G3950 1.49
+3.5%

Athlon II X4 640 1.44

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.

Celeron G3950 2322
+3.4%

Athlon II X4 640 2245

Gaming performance

Pros & cons summary

Performance score	1.49	1.44
Recency	3 January 2017	11 May 2010
Physical cores	2	4
Threads	2	4
Chip lithography	14 nm	45 nm
Power consumption (TDP)	51 Watt	95 Watt

Celeron G3950 has a 3.5% higher aggregate performance score, an age advantage of 6 years, a 221.4% more advanced lithography process, and 86.3% lower power consumption.

Athlon II X4 640, on the other hand, has 100% more physical cores and 100% more threads.

Given the minimal performance differences, no clear winner can be declared between Celeron G3950 and Athlon II X4 640.

Should you still have questions on choice between Celeron G3950 and Athlon II X4 640, ask them in Comments section, and we shall answer.