Intel Core i3-1125G4 vs Intel Core i7-3970X

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CPU comparison with benchmarks


Intel Core i3-1125G4 CPU1 vs CPU2 Intel Core i7-3970X
Intel Core i3-1125G4 Intel Core i7-3970X

CPU comparison

Intel Core i3-1125G4 or Intel Core i7-3970X - 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 Core i3-1125G4 has 4 cores with 8 threads and clocks with a maximum frequency of 3.70 GHz. Up to 64 GB of memory is supported in 2 memory channels. The Intel Core i3-1125G4 was released in Q4/2020.

The Intel Core i7-3970X has 6 cores with 12 threads and clocks with a maximum frequency of 4.00 GHz. The CPU supports up to 64 GB of memory in 4 memory channels. The Intel Core i7-3970X was released in Q4/2012.
Intel Core i3 (205) Family Intel Core i7 Extreme Edition (24)
Intel Core i 1100G/11000U (19) CPU group Intel Core i 3000X (4)
11 Generation 3
Tiger Lake U Architecture Sandy Bridge E
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i3-1125G4 has 4 CPU cores and can calculate 8 threads in parallel. The clock frequency of the Intel Core i3-1125G4 is 2.00 GHz (3.70 GHz) while the Intel Core i7-3970X has 6 CPU cores and 12 threads can calculate simultaneously. The clock frequency of the Intel Core i7-3970X is at 3.50 GHz (4.00 GHz).
Intel Core i3-1125G4 Characteristic Intel Core i7-3970X
4 Cores 6
8 Threads 12
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? Yes
2.00 GHz Frequency 3.50 GHz
3.70 GHz Turbo Frequency (1 Core) 4.00 GHz
3.30 GHz Turbo Frequency (All Cores) 4.00 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 Core i3-1125G4 Characteristic Intel Core i7-3970X
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Core i3-1125G4 or Intel Core i7-3970X 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.
Intel UHD Graphics (Tiger Lake G4) GPU no iGPU
0.30 GHz GPU frequency --
1.25 GHz GPU (Turbo) --
11 GPU Generation --
10 nm Technology
4 Max. displays
48 Compute units --
384 Shader --
No Hardware Raytracing No
No Frame Generation No
32 GB Max. GPU Memory --
12 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 UHD Graphics (Tiger Lake G4) GPU no iGPU
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
Decode Codec VP9 No
Decode Codec VP8 No
Decode Codec AV1 No
Decode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

The Intel Core i3-1125G4 can use up to 64 GB of memory in 2 memory channels. The maximum memory bandwidth is 59.6 GB/s. The Intel Core i7-3970X supports up to 64 GB of memory in 4 memory channels and achieves a memory bandwidth of up to 51.2 GB/s.
Intel Core i3-1125G4 Characteristic Intel Core i7-3970X
LPDDR4-3733, DDR4-3200 Memory DDR3-1600
64 GB Max. Memory 64 GB
2 (Dual Channel) Memory channels 4 (Quad Channel)
59.6 GB/s Max. Bandwidth 51.2 GB/s
No ECC No
-- L2 Cache --
8.00 MB L3 Cache 15.00 MB
4.0 PCIe version 2.0
4 PCIe lanes 40
7.9 GB/s PCIe Bandwidth 20.0 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Core i3-1125G4 is 15 W, while the Intel Core i7-3970X has a TDP of 150 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
Intel Core i3-1125G4 Characteristic Intel Core i7-3970X
15 W TDP (PL1 / PBP) 150 W
-- TDP (PL2) --
28 W TDP up --
12 W TDP down --
100 °C Tjunction max. --

Technical details

The Intel Core i3-1125G4 is manufactured in 10 nm and has 8.00 MB cache. The Intel Core i7-3970X is manufactured in 32 nm and has a 15.00 MB cache.
Intel Core i3-1125G4 Characteristic Intel Core i7-3970X
10 nm Technology 32 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX-512 ISA extensions SSE4.1, SSE4.2, AVX
BGA 1526 Socket LGA 2011
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d (C2 Stepping)
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q4/2020 Release date Q4/2012
309 $ Release price 820 $
show more data show more data


Rate these processors

Here you can rate the Intel Core i3-1125G4 to help other visitors make their purchasing decisions. The average rating is 2.4 stars (5 ratings). Rate now:
Here you can rate the Intel Core i7-3970X to help other visitors make their purchasing decisions. The average rating is 3.0 stars (2 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Core i3-1125G4 (100%)
Intel Core i7-3970X (59%)
⌀ Multi core performance in 4 CPU benchmarks
Intel Core i3-1125G4 (94%)
Intel Core i7-3970X (90%)

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 Core i3-1125G4 Intel Core i3-1125G4
4C 8T @ 3.70 GHz
1159 (100%)
Intel Core i7-3970X Intel Core i7-3970X
6C 12T @ 4.00 GHz
812 (70%)

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 Core i3-1125G4 Intel Core i3-1125G4
4C 8T @ 3.30 GHz
4486 (90%)
Intel Core i7-3970X Intel Core i7-3970X
6C 12T @ 4.00 GHz
4981 (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 Core i3-1125G4 Intel Core i3-1125G4
4C 8T @ 3.70 GHz
1560 (100%)
Intel Core i7-3970X Intel Core i7-3970X
6C 12T @ 4.00 GHz
742 (48%)

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 Core i3-1125G4 Intel Core i3-1125G4
4C 8T @ 3.30 GHz
4770 (100%)
Intel Core i7-3970X Intel Core i7-3970X
6C 12T @ 4.00 GHz
3512 (74%)

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 Core i3-1125G4 Intel Core i3-1125G4
4C 8T @ 3.30 GHz
9890 (100%)
Intel Core i7-3970X Intel Core i7-3970X
6C 12T @ 4.00 GHz
8517 (86%)

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 Core i3-1125G4 Intel Core i3-1125G4
4C 8T @ 2.00 GHz
2211 (84%)
Intel Core i7-3970X Intel Core i7-3970X
6C 12T @ 3.50 GHz
2623 (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 Core i3-1125G4 Intel Core i3-1125G4
Intel UHD Graphics (Tiger Lake G4) @ 1.25 GHz
960 (100%)
Intel Core i7-3970X Intel Core i7-3970X
@ 0.00 GHz
0 (0%)

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 Core i3-1125G4 Intel Core i3-1125G4
4C 8T @ 3.70 GHz
0 (0%)
Intel Core i7-3970X Intel Core i7-3970X
6C 12T @ 4.00 GHz
135 (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 Core i3-1125G4 Intel Core i3-1125G4
4C 8T @ 3.30 GHz
0 (0%)
Intel Core i7-3970X Intel Core i7-3970X
6C 12T @ 4.00 GHz
1065 (100%)

Devices using this processor
Intel Core i3-1125G4 Intel Core i7-3970X
Unknown Unknown

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