Intel Core i7-3960X vs Intel Xeon X5647

Compare Intel Core X-series 6 core CPU vs Intel Xeon 4 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Price

The cheapest price from our partner retailers

$ 250.00
$ 98.02
$ 151.98 significantly less expensive

Benchmark Score

Overall Score

A combined score of all workloads

3693 points
16% slightly better overall score
3170 points

Gaming Score

The raw gaming performance with a fast GPU

4998 points
32% slightly better gaming score
3778 points

Multitasking Score

Performance in workloads using up to 8 cores

3261 points
10% slightly better multitasking score
2955 points

Heavy Workload Score

Performance in workloads using up to 16 cores

3155 points
9% slightly better heavy workload score
2885 points

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Specifications

Cores

Number of physical processing units

6
49% significantly more cores
4

Threads

Number of logical processing units

12
49% significantly more threads
8

Clock Speed

Base frequency at which the chip operates

3.3 GHz
12% slightly higher clock speed
2.93 GHz

Turbo Speed

Higher frequency used for heavy workloads

3.9 GHz
21% slightly higher turbo speed
3.2 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

130 W
Identical
130 W

Memory Channels

Lanes for simultaneous memory access

4
33% slightly more memory channels
3

Supported Memory

Maximum amount of RAM supported by this CPU

64 GiB
288 GiB
350% significantly more supported memory

Other details

Rank

Ranking in the hardwareDB database

464th of 1,089
516th of 1,089

Family

The product line

Core X-series
Xeon

Release date

The official date of release of this chip

2011 November
2011 February

Memory Type

The type of memory used by this chip

DDR3-1066
DDR3-1066

Supports ECC memory

Does this CPU support error correcting memory

No
Yes

Core i7-3960X vs Xeon X5647 specs and performance

According to the hardwareDB Benchmark tool, the Core i7-3960X is faster than the Xeon X5647. Furthermore, our gaming benchmark shows that it also outperforms the Xeon X5647 in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Core i7-3960X has significantly more cores than the Xeon X5647. Indeed, the Core i7-3960X has 6 cores compared to 4 cores found in the Xeon X5647. It also has more threads than the Xeon X5647. These CPUs have different clock speeds. Indeed, the Core i7-3960X has a slightly higher clock speed compared to the Xeon X5647. Also, the Core i7-3960X has a slightly higher turbo speed. Both these chips have an identical TDP (Thermal Design Power). This measures the amount of heat they output and can be used to estimate power consumption.

Modern CPUs generally have more logical cores than physical cores, this means that each core is split into multiple virtual cores, improving efficiency for parallel workloads. Indeed, the Core i7-3960X has more threads than cores. Each physical core is split into multiple threads.

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