Intel Core i5-4440S vs Intel Core i7-975

Compare Intel 4th Generation Core i5 4 core CPU vs Intel Core 4 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Benchmark Score

Overall Score

A combined score of all workloads

1854 points
1889 points
1% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

3417 points
13% slightly better gaming score
3014 points

Multitasking Score

Performance in workloads using up to 8 cores

1417 points
1556 points
9% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

1360 points
1494 points
9% slightly better heavy workload score

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Specifications

Cores

Number of physical processing units

4
Identical
4

Threads

Number of logical processing units

4
8
100% significantly more threads

Clock Speed

Base frequency at which the chip operates

2.8 GHz
3.33 GHz
18% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

3.3 GHz
3.6 GHz
9% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

65 W
100% significantly lower TDP
130 W

Memory Channels

Lanes for simultaneous memory access

2
3
49% significantly more memory channels

Supported Memory

Maximum amount of RAM supported by this CPU

32 GiB
33% slightly more supported memory
24 GiB

Other details

Rank

Ranking in the hardwareDB database

750th of 1,089
742nd of 1,089

Family

The product line

4th Generation Core i5
Core

Release date

The official date of release of this chip

2013 August
2009 May

Memory Type

The type of memory used by this chip

DDR3-1333
DDR3-1066

Supports ECC memory

Does this CPU support error correcting memory

No
No

Core i5-4440S vs Core i7-975 comparison

In our benchmarks, the Core i7-975 beats the Core i5-4440S in overall performance. Despite this, the Core i5-4440S has the advantage in our gaming benchmark.

Info from our database shows that they both have the same core count but the Core i7-975 has more threads. These CPUs have different clock speeds. Indeed, the Core i7-975 has a slightly higher clock speed compared to the Core i5-4440S. Also, the Core i7-975 has a slightly higher turbo speed. A Core i5-4440S CPU outputs less heat than a Core i7-975 CPU because of its significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption.

The more cores a CPU has, the better the overall performance will be in parallel workloads such as multitasking. Many CPUs have more threads than cores, this means that each physical core is split into multiple logical cores, making them more efficient. For instance, the Core i5-4440S has the same number of threads as cores. This means the the CPU does not support hyperthreading.

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