Intel Core i7-7660U vs Intel Xeon E3-1245 v3

Compare Intel 7th Generation Core i7 2 core CPU vs Intel Xeon E3 v3 Family 4 core processor, specs and benchmark score. Which is the better CPU for gaming?

CPU Comparison

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Benchmark Score

Overall Score

A combined score of all workloads

1397 points
2437 points
74% significantly better overall score

Gaming Score

The raw gaming performance with a fast GPU

2731 points
4011 points
46% significantly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

1046 points
1975 points
88% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

1003 points
1896 points
89% significantly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i7-7660U and the Xeon E3-1245 v3? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

27.65 points
58.49 points
111% significantly higher Blender score
Geekbench 5 (multi) score

Geekbench 5 (multi) score

Multi threaded benchmark

2293 points
3734 points
62% significantly higher Geekbench 5 (multi) score
Geekbench 5 (single) score

Geekbench 5 (single) score

Single threaded benchmark

1141 points
1146 points
0.44% slightly higher Geekbench 5 (single) score
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

2285 points
3820 points
67% significantly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1149 points
1203 points
4% slightly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

2
4
100% significantly more cores

Threads

Number of logical processing units

4
8
100% significantly more threads

Clock Speed

Base frequency at which the chip operates

2.5 GHz
3.4 GHz
36% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

4 GHz
5% slightly higher turbo speed
3.8 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

15 W
459% significantly lower TDP
84 W

PCIe Lanes

Number of physical connections between the CPU and expansion slots

12
16
33% slightly more pcie lanes

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

Supported Memory

Maximum amount of RAM supported by this CPU

32 GiB
Identical
32 GiB

Other details

Rank

Ranking in the hardwareDB database

841st of 1,092
639th of 1,092

Family

The product line

7th Generation Core i7
Xeon E3 v3 Family

Release date

The official date of release of this chip

2017 February
2013 May

Memory Type

The type of memory used by this chip

DDR4-2133
DDR3-1333

Supports ECC memory

Does this CPU support error correcting memory

No
Yes

Core i7-7660U vs Xeon E3-1245 v3 specs and performance

According to the hardwareDB Benchmark tool, the Xeon E3-1245 v3 is faster than the Core i7-7660U. Furthermore, our gaming benchmark shows that it also outperforms the Core i7-7660U in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Xeon E3-1245 v3 has significantly more cores than the Core i7-7660U. Indeed, the Xeon E3-1245 v3 has 4 cores compared to 2 cores found in the Core i7-7660U. It also has more threads than the Core i7-7660U. With our hardware info, we find that the Xeon E3-1245 v3 has a slightly higher clock speed than the Core i7-7660U. Despite this, the Core i7-7660U has a slightly higher turbo speed. A Core i7-7660U CPU outputs less heat than a Xeon E3-1245 v3 CPU because of its significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption.

Most CPUs have more threads than cores. This technology, colloquially called hyperthreading, improves performance by splitting a core into multiple virtual ones. This provides more efficient utilisation of a core. Indeed, the Core i7-7660U has more threads than cores. Each physical core is split into multiple threads.

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