Sempron 3850 vs Core 2 Quad Q8400

Aggregate performance score

Core 2 Quad Q8400
2009
4 cores / 4 threads, 95 Watt
1.30
+78.1%
Sempron 3850
2014
4 cores / 4 threads, 25 Watt
0.73

Core 2 Quad Q8400 outperforms Sempron 3850 by an impressive 78% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Quad Q8400 and Sempron 3850 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22812691
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency1.292.75
Architecture codenameYorkfield (2007−2009)Kabini (2013−2014)
Release date19 April 2009 (15 years ago)9 April 2014 (10 years ago)

Detailed specifications

Core 2 Quad Q8400 and Sempron 3850 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 cores4 (Quad-Core)4 (Quad-Core)
Threads44
Base clock speed2.66 GHzno data
Boost clock speed0.67 GHz1.3 GHz
Bus rate1333 MHzno data
L1 cache64 KB (per core)256 KB
L2 cache4 MB (shared)2048 KB
L3 cache0 KBno data
Chip lithography45 nm28 nm
Die size2x 82 mm2107 mm2
Maximum core temperatureno data90 °C
Maximum case temperature (TCase)71 °C90 °C
Number of transistors456 millionno data
64 bit support++
Windows 11 compatibility-no data
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Quad Q8400 and Sempron 3850 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 configuration11
SocketFCLGA775,LGA775AM1
Power consumption (TDP)95 Watt25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q8400 and Sempron 3850. You'll probably need this information if you require some particular technology.

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+-
Demand Based Switching-no data
FSB parity-no data

Security technologies

Core 2 Quad Q8400 and Sempron 3850 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 Core 2 Quad Q8400 and Sempron 3850 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q8400 and Sempron 3850. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR3-1600
Max memory channelsno data1

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)AMD Radeon R3 Graphics
จำนวนพาธไลน์no data128
Enduro-+
Switchable graphics-+
UVD-+
VCE-+

Graphics interfaces

Available interfaces and connections of Core 2 Quad Q8400 and Sempron 3850 integrated GPUs.

DisplayPort-+
HDMI-+

Graphics API support

APIs supported by Core 2 Quad Q8400 and Sempron 3850 integrated GPUs, sometimes API versions are included.

DirectXno dataDirectX® 12
Vulkan-+

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q8400 and Sempron 3850.

PCIe version2.02.0
PCI Express lanesno data4

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.

Core 2 Quad Q8400 1.30
+78.1%
Sempron 3850 0.73

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.

Core 2 Quad Q8400 2068
+78.9%
Sempron 3850 1156

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.

Core 2 Quad Q8400 328
+105%
Sempron 3850 160

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.

Core 2 Quad Q8400 898
+67.9%
Sempron 3850 535

Gaming performance

Pros & cons summary


Performance score 1.30 0.73
Recency 19 April 2009 9 April 2014
Chip lithography 45 nm 28 nm
Power consumption (TDP) 95 Watt 25 Watt

Core 2 Quad Q8400 has a 78.1% higher aggregate performance score.

Sempron 3850, on the other hand, has an age advantage of 4 years, a 60.7% more advanced lithography process, and 280% lower power consumption.

The Core 2 Quad Q8400 is our recommended choice as it beats the Sempron 3850 in performance tests.


Should you still have questions on choice between Core 2 Quad Q8400 and Sempron 3850, ask them in Comments section, and we shall answer.

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Intel Core 2 Quad Q8400
Core 2 Quad Q8400
AMD Sempron 3850
Sempron 3850

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Community ratings

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Questions & comments

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