Intel Pentium D 915 vs Intel Core i7-7660U

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CPU comparison with benchmarks


Intel Pentium D 915 CPU1 vs CPU2 Intel Core i7-7660U
Intel Pentium D 915 Intel Core i7-7660U

CPU comparison

Intel Pentium D 915 or Intel Core i7-7660U - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Pentium D 915 has 2 cores with 2 threads and clocks with a maximum frequency of 2.80 GHz. Up to GB of memory is supported in 0 memory channels. The Intel Pentium D 915 was released in Q3/2006.

The Intel Core i7-7660U has 2 cores with 4 threads and clocks with a maximum frequency of 4.00 GHz. The CPU supports up to 32 GB of memory in 2 memory channels. The Intel Core i7-7660U was released in Q4/2016.
Intel Pentium (150) Family Intel Core i7 (293)
Intel Pentium D (6) CPU group Intel Core i 7000U (18)
0 Generation 7
Presler Architecture Kaby Lake U
Desktop / Server Segment Mobile
-- Predecessor Intel Core i7-6660U
-- Successor --

CPU Cores and Base Frequency

The Intel Pentium D 915 has 2 CPU cores and can calculate 2 threads in parallel. The clock frequency of the Intel Pentium D 915 is 2.80 GHz while the Intel Core i7-7660U has 2 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Core i7-7660U is at 2.50 GHz (4.00 GHz).

Intel Pentium D 915 Characteristic Intel Core i7-7660U
2 Cores 2
2 Threads 4
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
2.80 GHz Frequency 2.50 GHz
-- Turbo Frequency (1 Core) 4.00 GHz
-- Turbo Frequency (All Cores) 3.80 GHz

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Pentium D 915 Characteristic Intel Core i7-7660U
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Pentium D 915 or Intel Core i7-7660U has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

no iGPU GPU Intel Iris Plus Graphics 640
GPU frequency 0.30 GHz
-- GPU (Turbo) 1.05 GHz
-- GPU Generation 9.5
Technology 14 nm
Max. displays 3
-- Compute units 48
-- Shader 384
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 32 GB
-- DirectX Version 12

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

no iGPU GPU Intel Iris Plus Graphics 640
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
No Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode / Encode
No Codec AV1 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The Intel Pentium D 915 can use up to GB of memory in 0 memory channels. The maximum memory bandwidth is --. The Intel Core i7-7660U supports up to 32 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 34.1 GB/s.

Intel Pentium D 915 Characteristic Intel Core i7-7660U
DDR2 Memory DDR4-2133, DDR3-1866
Max. Memory 32 GB
0 Memory channels 2 (Dual Channel)
-- Max. Bandwidth 34.1 GB/s
No ECC No
4.00 MB L2 Cache --
-- L3 Cache 4.00 MB
-- PCIe version 3.0
-- PCIe lanes 12
-- PCIe Bandwidth 11.8 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Pentium D 915 is 95 W, while the Intel Core i7-7660U has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Pentium D 915 Characteristic Intel Core i7-7660U
95 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Pentium D 915 is manufactured in 65 nm and has 4.00 MB cache. The Intel Core i7-7660U is manufactured in 14 nm and has a 4.00 MB cache.

Intel Pentium D 915 Characteristic Intel Core i7-7660U
65 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- ISA extensions SSE4.1, SSE4.2, AVX2
LGA 775 Socket BGA 1356
None Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q3/2006 Release date Q4/2016
74 $ Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks
⌀ Multi core performance in 4 CPU benchmarks

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Pentium D 915 Intel Pentium D 915
2C 2T @ 2.80 GHz
174 (17%)
Intel Core i7-7660U Intel Core i7-7660U
2C 4T @ 4.00 GHz
1040 (100%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Pentium D 915 Intel Pentium D 915
2C 2T @ 2.80 GHz
316 (18%)
Intel Core i7-7660U Intel Core i7-7660U
2C 4T @ 3.80 GHz
1759 (100%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Pentium D 915 Intel Pentium D 915
2C 2T @ 2.80 GHz
208 (23%)
Intel Core i7-7660U Intel Core i7-7660U
2C 4T @ 4.00 GHz
919 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Pentium D 915 Intel Pentium D 915
2C 2T @ 2.80 GHz
381 (18%)
Intel Core i7-7660U Intel Core i7-7660U
2C 4T @ 3.80 GHz
2088 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Pentium D 915 Intel Pentium D 915
2C 2T @ 2.80 GHz
430 (10%)
Intel Core i7-7660U Intel Core i7-7660U
2C 4T @ 3.80 GHz
4132 (100%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Pentium D 915 Intel Pentium D 915
2C 2T @ 2.80 GHz
33 (19%)
Intel Core i7-7660U Intel Core i7-7660U
2C 4T @ 4.00 GHz
170 (100%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Pentium D 915 Intel Pentium D 915
2C 2T @ 2.80 GHz
62 (15%)
Intel Core i7-7660U Intel Core i7-7660U
2C 4T @ 3.80 GHz
405 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Pentium D 915 Intel Pentium D 915
2C 2T @ 2.80 GHz
0 (0%)
Intel Core i7-7660U Intel Core i7-7660U
2C 4T @ 4.00 GHz
1258 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Pentium D 915 Intel Pentium D 915
2C 2T @ 2.80 GHz
0 (0%)
Intel Core i7-7660U Intel Core i7-7660U
2C 4T @ 3.80 GHz
2637 (100%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Pentium D 915 Intel Pentium D 915
2C 2T @ 2.80 GHz
72 (100%)
Intel Core i7-7660U Intel Core i7-7660U
2C 4T @ 4.00 GHz
0 (0%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Pentium D 915 Intel Pentium D 915
2C 2T @ 2.80 GHz
126 (100%)
Intel Core i7-7660U Intel Core i7-7660U
2C 4T @ 3.80 GHz
0 (0%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Pentium D 915 Intel Pentium D 915
@ 0.00 GHz
0 (0%)
Intel Core i7-7660U Intel Core i7-7660U
Intel Iris Plus Graphics 640 @ 1.05 GHz
806 (100%)

Devices using this processor

Intel Pentium D 915 Intel Core i7-7660U
Unknown Apple MacBook Pro 13 (2017)

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