Intel Celeron 3755U vs Intel Core i7-975

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CPU comparison with benchmarks


Intel Celeron 3755U CPU1 vs CPU2 Intel Core i7-975
Intel Celeron 3755U Intel Core i7-975

CPU comparison

In this CPU comparison, we compare the Intel Celeron 3755U and the Intel Core i7-975 and use benchmarks to check which processor is faster.

We compare the Intel Celeron 3755U 2 core processor released in Q1/2015 with the Intel Core i7-975 which has 4 CPU cores and was introduced in Q4/2008.
Intel Celeron (165) Family Intel Core i7 Extreme Edition (24)
Intel Celeron 3000 (10) CPU group Intel Core i7 900 (7)
7 Generation 1
Kaby Lake U Architecture Bloomfield
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Celeron 3755U is a 2 core processor with a clock frequency of 1.70 GHz. The processor can compute 2 threads at the same time. The Intel Core i7-975 clocks with 3.33 GHz (3.60 GHz), has 4 CPU cores and can calculate 8 threads in parallel.

Intel Celeron 3755U Characteristic Intel Core i7-975
2 Cores 4
2 Threads 8
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? Yes
1.70 GHz Frequency 3.33 GHz
-- Turbo Frequency (1 Core) 3.60 GHz
-- 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 Celeron 3755U Characteristic Intel Core i7-975
-- 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.

Intel HD Graphics (Broadwell GT1) GPU no iGPU
0.10 GHz GPU frequency --
0.80 GHz GPU (Turbo) --
8 GPU Generation --
14 nm Technology
3 Max. displays
12 Compute units --
96 Shader --
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory --
11.2 DirectX Version --

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.

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

Memory & PCIe

Up to 16 GB of memory in a maximum of 2 memory channels is supported by the Intel Celeron 3755U, while the Intel Core i7-975 supports a maximum of 24 GB of memory with a maximum memory bandwidth of 25.6 GB/s enabled.

Intel Celeron 3755U Characteristic Intel Core i7-975
LPDDR3-1600, DDR3L-1600 Memory DDR3-1066
16 GB Max. Memory 24 GB
2 (Dual Channel) Memory channels 3
25.6 GB/s Max. Bandwidth 25.6 GB/s
No ECC No
-- L2 Cache 1.00 MB
2.00 MB L3 Cache 8.00 MB
2.0 PCIe version --
12 PCIe lanes --
6.0 GB/s PCIe Bandwidth --

Thermal Management

The Intel Celeron 3755U has a TDP of 15 W. The TDP of the Intel Core i7-975 is 130 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Celeron 3755U Characteristic Intel Core i7-975
15 W TDP (PL1 / PBP) 130 W
-- TDP (PL2) --
-- TDP up --
10 W TDP down --
105 °C Tjunction max. --

Technical details

The Intel Celeron 3755U has 2.00 MB cache and is manufactured in 14 nm. The cache of Intel Core i7-975 is at 9.00 MB. The processor is manufactured in 45 nm.

Intel Celeron 3755U Characteristic Intel Core i7-975
14 nm Technology 45 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions SSE4.1, SSE4.2
BGA 1168 Socket LGA 1366
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT
Yes AES-NI No
Windows 10, Linux Operating systems Windows 10, Linux
Q1/2015 Release date Q4/2008
-- Release price 1059 $
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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Celeron 3755U (59%)
Intel Core i7-975 (100%)
⌀ Multi core performance in 3 CPU benchmarks
Intel Celeron 3755U (32%)
Intel Core i7-975 (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 Celeron 3755U Intel Celeron 3755U
2C 2T @ 1.70 GHz
394 (65%)
Intel Core i7-975 Intel Core i7-975
4C 8T @ 3.60 GHz
607 (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 Celeron 3755U Intel Celeron 3755U
2C 2T @ 1.70 GHz
830 (34%)
Intel Core i7-975 Intel Core i7-975
4C 8T @ 3.33 GHz
2460 (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 Celeron 3755U Intel Celeron 3755U
2C 2T @ 1.70 GHz
335 (53%)
Intel Core i7-975 Intel Core i7-975
4C 8T @ 3.60 GHz
635 (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 Celeron 3755U Intel Celeron 3755U
2C 2T @ 1.70 GHz
625 (28%)
Intel Core i7-975 Intel Core i7-975
4C 8T @ 3.33 GHz
2225 (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 Celeron 3755U Intel Celeron 3755U
2C 2T @ 1.70 GHz
1180 (35%)
Intel Core i7-975 Intel Core i7-975
4C 8T @ 3.33 GHz
3396 (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 Celeron 3755U Intel Celeron 3755U
Intel HD Graphics (Broadwell GT1) @ 0.80 GHz
154 (100%)
Intel Core i7-975 Intel Core i7-975
@ 0.00 GHz
0 (0%)

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 Celeron 3755U Intel Celeron 3755U
2C 2T @ 1.70 GHz
0 (0%)
Intel Core i7-975 Intel Core i7-975
4C 8T @ 3.33 GHz
1598 (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 Celeron 3755U Intel Celeron 3755U
2C 2T @ 1.70 GHz
69 (100%)
Intel Core i7-975 Intel Core i7-975
4C 8T @ 3.60 GHz
0 (0%)

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 Celeron 3755U Intel Celeron 3755U
2C 2T @ 1.70 GHz
133 (100%)
Intel Core i7-975 Intel Core i7-975
4C 8T @ 3.33 GHz
0 (0%)

Devices using this processor

Intel Celeron 3755U Intel Core i7-975
Unknown Unknown

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