Mobile Sempron 3500+ vs i7-975

Aggregate performance score

Core i7-975
2009
4 cores / 8 threads, 130 Watt
2.20
+1275%
Mobile Sempron 3500+
1 core / 1 thread, 25 Watt
0.16

Core i7-975 outperforms Mobile Sempron 3500+ by a whopping 1275% based on our aggregate benchmark results.

Primary details

Comparing Core i7-975 and Mobile Sempron 3500+ processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking18363276
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.12no data
Market segmentDesktop processorLaptop
SeriesCore i7 (Desktop)Mobile Sempron
Power efficiency1.600.61
Architecture codenameBloomfield (2008−2010)Keene
Release date2 June 2009 (15 years ago)no data (2024 years ago)
Launch price (MSRP)$476no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-975 and Mobile Sempron 3500+ 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)1 (Single-Core)
Threads81
Base clock speed3.33 GHzno data
Boost clock speed3.6 GHz1.8 GHz
Bus rate1333 MHz800 MHz
L1 cache64 KB (per core)no data
L2 cache256 KB (per core)no data
L3 cache8 MB (shared)no data
Chip lithography45 nm90 nm
Die size263 mm2no data
Maximum case temperature (TCase)68 °Cno data
Number of transistors731 millionno data
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Core i7-975 and Mobile Sempron 3500+ 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 configuration1no data
SocketFCLGA1366no data
Power consumption (TDP)130 Watt25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-975 and Mobile Sempron 3500+. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2no data
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology1.0no data
Hyper-Threading Technology+no data
Idle States+no data
Demand Based Switching-no data
PAE36 Bitno data

Security technologies

Core i7-975 and Mobile Sempron 3500+ 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 i7-975 and Mobile Sempron 3500+ are enumerated here.

VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-975 and Mobile Sempron 3500+. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data
Maximum memory size24 GBno data
Max memory channels3no data
Maximum memory bandwidth25.6 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/Ano data

Peripherals

Specifications and connection of peripherals supported by Core i7-975 and Mobile Sempron 3500+.

PCIe version2.0no 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.

i7-975 2.20
+1275%
Mobile Sempron 3500+ 0.16

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.

i7-975 3494
+1249%
Mobile Sempron 3500+ 259

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

i7-975 5837
+729%
Mobile Sempron 3500+ 704

Gaming performance

Pros & cons summary


Performance score 2.20 0.16
Physical cores 4 1
Threads 8 1
Chip lithography 45 nm 90 nm
Power consumption (TDP) 130 Watt 25 Watt

i7-975 has a 1275% higher aggregate performance score, 300% more physical cores and 700% more threads, and a 100% more advanced lithography process.

Mobile Sempron 3500+, on the other hand, has 420% lower power consumption.

The Core i7-975 is our recommended choice as it beats the Mobile Sempron 3500+ in performance tests.

Note that Core i7-975 is a desktop processor while Mobile Sempron 3500+ is a notebook one.


Should you still have questions on choice between Core i7-975 and Mobile Sempron 3500+, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core i7-975
Core i7-975
AMD Mobile Sempron 3500+
Mobile Sempron 3500+

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Community ratings

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Questions & comments

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