Pentium G640T vs Sempron 3850

Place in the ranking	2660	2667
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Desktop processor
Power efficiency	2.73	1.95
Architecture codename	Kabini (2013−2014)	Sandy Bridge (2011−2013)
Release date	9 April 2014 (10 years ago)	3 June 2012 (12 years ago)

Detailed specifications

Sempron 3850 and Pentium G640T 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	4	2
Base clock speed	no data	2.4 GHz
Boost clock speed	1.3 GHz	2.4 GHz
Bus rate	no data	5 GT/s
L1 cache	256 KB	64 KB (per core)
L2 cache	2048 KB	256 KB (per core)
L3 cache	no data	3 MB (shared)
Chip lithography	28 nm	32 nm
Die size	107 mm²	131 mm²
Maximum core temperature	90 °C	65 °C
Maximum case temperature (TCase)	90 °C	no data
Number of transistors	no data	504 million
64 bit support	+	+
Windows 11 compatibility	no data	-

Compatibility

Information on Sempron 3850 and Pentium G640T 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
Socket	AM1	FCLGA1155
Power consumption (TDP)	25 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Sempron 3850 and Pentium G640T. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2
AES-NI	+	+
FMA	FMA4	-
AVX	+	+
PowerNow	+	-
PowerGating	+	-
VirusProtect	+	-
Enhanced SpeedStep (EIST)	no data	+
Turbo Boost Technology	no data	-
Hyper-Threading Technology	no data	-
Idle States	no data	+
Thermal Monitoring	-	+
Flex Memory Access	no data	+
FDI	no data	+
Fast Memory Access	no data	+

Security technologies

Sempron 3850 and Pentium G640T technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	-
EDB	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Sempron 3850 and Pentium G640T are enumerated here.

AMD-V	+	-
VT-d	no data	-
VT-x	no data	+
EPT	no data	+
IOMMU 2.0	+	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Sempron 3850 and Pentium G640T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1600	DDR3
Maximum memory size	no data	32 GB
Max memory channels	1	2
Maximum memory bandwidth	no data	17 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	AMD Radeon R3 Graphics	Intel® HD Graphics for 2nd Generation Intel® Processors
Number of pipelines	128	no data
Enduro	+	-
Switchable graphics	+	-
UVD	+	-
VCE	+	-
Graphics max frequency	no data	1.1 GHz

Graphics interfaces

Available interfaces and connections of Sempron 3850 and Pentium G640T integrated GPUs.

Number of displays supported	no data	2
DisplayPort	+	-
HDMI	+	-

Graphics API support

APIs supported by Sempron 3850 and Pentium G640T integrated GPUs, sometimes API versions are included.

DirectX	DirectX® 12	no data
Vulkan	+	-

Peripherals

Specifications and connection of peripherals supported by Sempron 3850 and Pentium G640T.

PCIe version	2.0	2.0
PCI Express lanes	4	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.

Sempron 3850 0.75

Pentium G640T 0.75

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.

Sempron 3850 1150
+1%

Pentium G640T 1139

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Sempron 3850 160

Pentium G640T 379
+137%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Sempron 3850 535

Pentium G640T 737
+37.8%

Gaming performance

Pros & cons summary

Recency	9 April 2014	3 June 2012
Physical cores	4	2
Threads	4	2
Chip lithography	28 nm	32 nm
Power consumption (TDP)	25 Watt	35 Watt

Sempron 3850 has an age advantage of 1 year, 100% more physical cores and 100% more threads, a 14.3% more advanced lithography process, and 40% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Sempron 3850 and Pentium G640T.

Should you still have questions on choice between Sempron 3850 and Pentium G640T, ask them in Comments section, and we shall answer.