Intel Core i5-1145GRE vs Intel Core2 Duo E7300

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CPU comparison with benchmarks


Intel Core i5-1145GRE CPU1 vs CPU2 Intel Core2 Duo E7300
Intel Core i5-1145GRE Intel Core2 Duo E7300

CPU comparison

Intel Core i5-1145GRE or Intel Core2 Duo E7300 - 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 i5-1145GRE has 4 cores with 8 threads and clocks with a maximum frequency of 4.10 GHz. Up to 64 GB of memory is supported in 2 memory channels. The Intel Core i5-1145GRE was released in Q3/2020.

The Intel Core2 Duo E7300 has 2 cores with 2 threads and clocks with a maximum frequency of 2.66 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core2 Duo E7300 was released in Q3/2008.
Intel Core i5 (331) Family Intel Core2 Duo (29)
Intel Core i 1100G/11000U (19) CPU group Intel Core 2 Duo E7000/E8000 (14)
11 Generation 2
Tiger Lake U Architecture Wolfdale (Penryn)
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i5-1145GRE is a 4 core processor with a clock frequency of 1.50 GHz (4.10 GHz). The Intel Core2 Duo E7300 has 2 CPU cores with a clock frequency of 2.66 GHz.

Intel Core i5-1145GRE Characteristic Intel Core2 Duo E7300
4 Cores 2
8 Threads 2
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? Yes
1.50 GHz Frequency 2.66 GHz
4.10 GHz Turbo Frequency (1 Core) --
2.80 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 Core i5-1145GRE Characteristic Intel Core2 Duo E7300
-- AI hardware --
-- AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

Intel Iris Xe Graphics 80 (Tiger Lake) GPU no iGPU
0.40 GHz GPU frequency --
1.30 GHz GPU (Turbo) --
12 GPU Generation --
10 nm Technology
4 Max. displays
80 Compute units --
640 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 Iris Xe Graphics 80 (Tiger Lake) 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 / Encode Codec VP9 No
Decode Codec VP8 No
Decode Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

The Intel Core i5-1145GRE supports a maximum of 64 GB of memory in 2 memory channels. The Intel Core2 Duo E7300 can connect up to 16 GB of memory in 2 memory channels.

Intel Core i5-1145GRE Characteristic Intel Core2 Duo E7300
LPDDR4X-4266, DDR4-3200 Memory DDR3-1333, DDR2-1066
64 GB Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
68.2 GB/s Max. Bandwidth 21.3 GB/s
Yes ECC No
-- L2 Cache 3.00 MB
8.00 MB L3 Cache --
4.0 PCIe version --
4 PCIe lanes --
7.9 GB/s PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i5-1145GRE has a TDP of 15 W, that of the Intel Core2 Duo E7300 is 65 W.

Intel Core i5-1145GRE Characteristic Intel Core2 Duo E7300
15 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
28 W TDP up --
12 W TDP down --
100 °C Tjunction max. --

Technical details

The Intel Core i5-1145GRE has a 8.00 MB cache, while the Intel Core2 Duo E7300 cache has a total of 3.00 MB.

Intel Core i5-1145GRE Characteristic Intel Core2 Duo E7300
10 nm Technology 45 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 MMX, SSE, SSE2, SSE3, SSE 4.1
BGA 1526 Socket LGA 775
VT-x, VT-x EPT, VT-d Virtualization VT-x
Yes AES-NI No
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q3/2020 Release date Q3/2008
362 $ Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Core i5-1145GRE (100%)
Intel Core2 Duo E7300 (31%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Core i5-1145GRE (100%)
Intel Core2 Duo E7300 (13%)

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 i5-1145GRE Intel Core i5-1145GRE
4C 8T @ 4.10 GHz
1326 (100%)
Intel Core2 Duo E7300 Intel Core2 Duo E7300
2C 2T @ 2.66 GHz
412 (31%)

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 i5-1145GRE Intel Core i5-1145GRE
4C 8T @ 2.80 GHz
4617 (100%)
Intel Core2 Duo E7300 Intel Core2 Duo E7300
2C 2T @ 2.66 GHz
725 (16%)

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 i5-1145GRE Intel Core i5-1145GRE
4C 8T @ 2.80 GHz
9390 (100%)
Intel Core2 Duo E7300 Intel Core2 Duo E7300
2C 2T @ 2.66 GHz
984 (10%)

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 i5-1145GRE Intel Core i5-1145GRE
4C 8T @ 4.10 GHz
1656 (100%)
Intel Core2 Duo E7300 Intel Core2 Duo E7300
2C 2T @ 2.66 GHz
0 (0%)

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 i5-1145GRE Intel Core i5-1145GRE
4C 8T @ 2.80 GHz
4965 (100%)
Intel Core2 Duo E7300 Intel Core2 Duo E7300
2C 2T @ 2.66 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 Core i5-1145GRE Intel Core i5-1145GRE
Intel Iris Xe Graphics 80 (Tiger Lake) @ 1.30 GHz
1611 (100%)
Intel Core2 Duo E7300 Intel Core2 Duo E7300
@ 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 Core i5-1145GRE Intel Core i5-1145GRE
4C 8T @ 1.50 GHz
0 (0%)
Intel Core2 Duo E7300 Intel Core2 Duo E7300
2C 2T @ 2.66 GHz
428 (100%)

Devices using this processor

Intel Core i5-1145GRE Intel Core2 Duo E7300
Unknown Unknown

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