Intel Core2 Duo E6700 vs Intel Pentium 3558U

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CPU comparison with benchmarks


Intel Core2 Duo E6700 CPU1 vs CPU2 Intel Pentium 3558U
Intel Core2 Duo E6700 Intel Pentium 3558U

CPU comparison

In this CPU comparison, we compare the Intel Core2 Duo E6700 and the Intel Pentium 3558U and use benchmarks to check which processor is faster.

We compare the Intel Core2 Duo E6700 2 core processor released in Q3/2006 with the Intel Pentium 3558U which has 2 CPU cores and was introduced in Q4/2013.
Intel Core2 Duo (29) Family Intel Pentium (150)
Intel Core 2 Duo E4000/E6000 (15) CPU group Intel Pentium 3000 (8)
1 Generation 4
Conroe (Core) Architecture Haswell U
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core2 Duo E6700 is a 2 core processor with a clock frequency of 2.66 GHz. The processor can compute 2 threads at the same time. The Intel Pentium 3558U clocks with 1.70 GHz, has 2 CPU cores and can calculate 2 threads in parallel.

Intel Core2 Duo E6700 Characteristic Intel Pentium 3558U
2 Cores 2
2 Threads 2
normal Core architecture normal
No Hyperthreading No
Yes Overclocking ? No
2.66 GHz Frequency 1.70 GHz
-- Turbo Frequency (1 Core) --
-- Turbo Frequency (All Cores) --

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 Core2 Duo E6700 Characteristic Intel Pentium 3558U
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

no iGPU GPU Intel HD Graphics (Haswell GT1)
GPU frequency 0.20 GHz
-- GPU (Turbo) 1.00 GHz
-- GPU Generation 7.5
Technology 22 nm
Max. displays 3
-- Compute units 10
-- Shader 80
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 2 GB
-- DirectX Version 11.1

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 HD Graphics (Haswell GT1)
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 Decode / Encode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode

Memory & PCIe

Up to 16 GB of memory in a maximum of 2 memory channels is supported by the Intel Core2 Duo E6700, while the Intel Pentium 3558U supports a maximum of 16 GB of memory with a maximum memory bandwidth of 25.6 GB/s enabled.

Intel Core2 Duo E6700 Characteristic Intel Pentium 3558U
DDR3-1333, DDR2-1066 Memory LPDDR3-1333, LPDDR3-1600, DDR3L-1333, DDR3L-1600
16 GB Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 25.6 GB/s
No ECC No
4.00 MB L2 Cache --
-- L3 Cache 2.00 MB
-- PCIe version 2.0
-- PCIe lanes 10
-- PCIe Bandwidth 5.0 GB/s

Thermal Management

The Intel Core2 Duo E6700 has a TDP of 65 W. The TDP of the Intel Pentium 3558U is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core2 Duo E6700 Characteristic Intel Pentium 3558U
65 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 100 °C

Technical details

The Intel Core2 Duo E6700 has 4.00 MB cache and is manufactured in 65 nm. The cache of Intel Pentium 3558U is at 2.00 MB. The processor is manufactured in 22 nm.

Intel Core2 Duo E6700 Characteristic Intel Pentium 3558U
65 nm Technology 22 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
MMX, SSE, SSE2, SSE3 ISA extensions SSE4.1, SSE4.2
LGA 775 Socket BGA 1168
VT-x Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q3/2006 Release date Q4/2013
-- Release price 161 $
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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Core2 Duo E6700 (92%)
Intel Pentium 3558U (100%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Core2 Duo E6700 (91%)
Intel Pentium 3558U (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 Core2 Duo E6700 Intel Core2 Duo E6700
2C 2T @ 2.66 GHz
365 (92%)
Intel Pentium 3558U Intel Pentium 3558U
2C 2T @ 1.70 GHz
398 (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 Core2 Duo E6700 Intel Core2 Duo E6700
2C 2T @ 2.66 GHz
617 (84%)
Intel Pentium 3558U Intel Pentium 3558U
2C 2T @ 1.70 GHz
735 (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 Core2 Duo E6700 Intel Core2 Duo E6700
2C 2T @ 2.66 GHz
1014 (98%)
Intel Pentium 3558U Intel Pentium 3558U
2C 2T @ 1.70 GHz
1031 (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 Core2 Duo E6700 Intel Core2 Duo E6700
2C 2T @ 2.66 GHz
0 (0%)
Intel Pentium 3558U Intel Pentium 3558U
2C 2T @ 1.70 GHz
318 (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 Core2 Duo E6700 Intel Core2 Duo E6700
2C 2T @ 2.66 GHz
0 (0%)
Intel Pentium 3558U Intel Pentium 3558U
2C 2T @ 1.70 GHz
561 (100%)

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 Core2 Duo E6700 Intel Core2 Duo E6700
@ 0.00 GHz
0 (0%)
Intel Pentium 3558U Intel Pentium 3558U
Intel HD Graphics (Haswell GT1) @ 1.00 GHz
160 (100%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core2 Duo E6700 Intel Core2 Duo E6700
2C 2T @ 2.66 GHz
0 (0%)
Intel Pentium 3558U Intel Pentium 3558U
2C 2T @ 1.70 GHz
346 (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 Core2 Duo E6700 Intel Core2 Duo E6700
2C 2T @ 2.66 GHz
0 (0%)
Intel Pentium 3558U Intel Pentium 3558U
2C 2T @ 1.70 GHz
68 (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 Core2 Duo E6700 Intel Core2 Duo E6700
2C 2T @ 2.66 GHz
0 (0%)
Intel Pentium 3558U Intel Pentium 3558U
2C 2T @ 1.70 GHz
131 (100%)

Devices using this processor

Intel Core2 Duo E6700 Intel Pentium 3558U
Unknown Unknown

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