Intel Core i3-8145U vs AMD A8-7100
The Core i3-8145U has 150% better performance than the A8-7100 for the 3DMark 11 Performance Physics benchmark.
The Core i3-8145U has 12% of the performance per dollar compared to the leader for the 3DMark 11 Performance Physics benchmark: Intel Core i5-13400F.
Summary
About the Intel Core i3-8145U CPU
The Intel Core i3-8145U is an end-of-life 2-core (4-thread) processor built for the mobile CPU market. It launched in Q4 2018 with a suggested retail price of $281. It is part of Intel's Core i3 lineup, which is based on the Whiskey Lake microarchitecture. The i3-8145U is compatible with Intel BGA 1528 motherboards and is fabricated on Intel's 10 nm manufacturing process. It features the UHD Graphics 620 integrated graphics solution.
Memory and Cache
The Core i3-8145U supports DDR4 memory and features a dual-channel memory controller, allowing it to utilize 2 memory modules simultaneously. In terms of cache, the Core i3-8145U has multiple levels of cache. Its L1 cache, which is the smallest and fastest, is 64 KB in size, providing rapid access to crucial instructions. Its L2 cache, at 256 KB, is larger but slower than the L1. Its L3 cache, a shared resource among the CPU's cores, has a capacity of 4 MB.
Cores and Clock Speeds
The Core i3-8145U features 2 total cores which can process 4 threads simultaneously. The multi-threading capability allows the CPU to execute multiple computational tasks in parallel. The base clock speed of the CPU is 2.1 GHz, and it can boost up to 3.9 GHz under heavy workloads. Higher clock speeds result in better performance for the same microarchitecture. The multiplier is locked, making it incapable of overclocking for pushing performance further.
Integrated Graphics
The Core i3-8145U includes an integrated graphics solution called UHD Graphics 620. This graphics processor is directly integrated into the CPU and is not as powerful as a dedicated graphics card. While integrated graphics can handle basic tasks like web browsing and office applications, it is not suitable for more demanding activities such as gaming or video editing, where a dedicated graphics card offers superior performance.
Benchmark Performance & Value
The Core i3-8145U has the 433rd best 3DMark 11 Performance Physics score among the 720 benchmarked CPUs in our database. It achieves 11.54% of the performance of the best benchmarked CPU, the AMD Ryzen 9 7950X3D. Its 4,267.5 score and $281 launch price (MSRP) gives it a performance per dollar of 15.19. This is the 178th best in value for the 3DMark 11 Perf. Physics benchmark.
About the AMD A8-7100 CPU
The AMD A8-7100 is a 4-core (4-thread) processor built for the mobile CPU market. The A8-7100 is compatible with Socket FP3 (906) motherboards and is fabricated on a 28 nm manufacturing process. It features the Radeon R5 Series integrated graphics solution.
Memory and Cache
In terms of cache, the A8-7100 has a L2 cache of 4 MB in size which provides fast access to instructions and data.
Cores and Clock Speeds
The A8-7100 features 4 total cores which can process 4 threads simultaneously. The multi-threading capability allows the CPU to execute multiple computational tasks in parallel. The base clock speed of the CPU is 1800.0 MHz, and it can boost up to 3000.0 MHz under heavy workloads. Higher clock speeds result in better performance for the same microarchitecture.
Integrated Graphics
The A8-7100 includes an integrated graphics solution called Radeon R5 Series. This graphics processor is directly integrated into the CPU and is not as powerful as a dedicated graphics card. While integrated graphics can handle basic tasks like web browsing and office applications, it is not suitable for more demanding activities such as gaming or video editing, where a dedicated graphics card offers superior performance.
Benchmark Performance
The A8-7100 has the 647th best 3DMark 11 Performance Physics score among the 720 benchmarked CPUs in our database. It achieves 4.62% of the performance of the best benchmarked CPU, the AMD Ryzen 9 7950X3D.
General Info
General overview of the CPU, including details like its manufacturer, release date, launch price, and current production status.
| Info | Core i3-8145U | A8-7100 |
|---|---|---|
| Manufacturer | Intel | AMD |
| Series | Core i3 | -- |
| Market Segment | Mobile | Mobile |
| Release Date | Q4 2018 | -- |
| Launch Price (MSRP) | $281 | -- |
| Production Status | End-of-life | -- |
| Shop | Check Price | Check Price |
Benchmark Performance
The Core i3-8145U has 150% better performance than the A8-7100 for the 3DMark 11 Performance Physics benchmark.
The Core i3-8145U is ranked 433rd with a score of 4,267.5, and the A8-7100 is ranked 647th with a score of 1,710.
The Core i3-8145U has 29% of the performance per dollar compared to the leader for the 3DMark 11 Performance Physics benchmark: AMD Ryzen 9 7950X3D.
Core i3-8145U's 15.19 performance per dollar ranks it 178th among the other benchmarked CPUs in our database.
Relative Performance
The average score in the benchmark test can be compared to similar CPUs to assess relative performance. Generally, powerful CPUs tend to have higher scores.
| CPU | Benchmark Performance | |
|---|---|---|
| Core i7-5557U | 4,423 | +4% |
| Celeron J4025 | 4,284 | +0% |
| Core i3-8145U | 4,267.5 | |
| Core i7-5500U | 4,008 | -6% |
| Core i7-820QM | 4,002 | -6% |
| E2-7110 | 1,725 | -60% |
| Celeron N4000 | 1,712.5 | -60% |
| A8-7100 | 1,710 | -60% |
| Celeron N2930 | 1,679 | -61% |
| A8-4555M | 1,654 | -61% |
Relative Value For Money
The average performance per dollar in the benchmark test can be compared to similar CPUs to assess relative value. A higher score implies a better value for your money.
| CPU | Performance Per Dollar | |
|---|---|---|
| Core i7-8665U | 16.52 | +9% |
| Core i7-8565U | 16.48 | +8% |
| Core i3-N300 | 16.13 | +6% |
| Xeon E3-1535M v5 | 15.84 | +4% |
| Core i7-4910MQ | 15.27 | +1% |
| Core i3-8145U | 15.19 | |
| Core i7-4900MQ | 14.89 | -2% |
| Core i5-5257U | 12.37 | -19% |
| Core i5-5200U | 11.98 | -21% |
| Core i7-740QM | 11.77 | -22% |
Benchmark Scores
This table showcases the average performance scores achieved by both CPUs across industry-standard benchmark tests. These scores provide a valuable insight into overall performance. Powerful CPUs tend to have higher scores.
- Popular
| Benchmark | Core i3-8145U | A8-7100 |
|---|---|---|
| 3DMark 11 Performance Physics | 4,267.5 (+149.56%) | 1,710 |
| 3DMark Time Spy CPU | 1,806 | -- |
| Cinebench R15 Multi-Core | 351.5 (+164.29%) | 133 |
| Cinebench R15 Single-Core | 148.5 (+237.5%) | 44 |
| Geekbench 6.2 Multi-Core | -- | 584 |
| Geekbench 6.2 Single-Core | -- | 263 |
| CPU Mark Multi-Thread | 3,791 | -- |
| CPU Mark Single-Thread | 2,099 | -- |
Technical Specs
Manufacturing Details
Information about the CPU's manufacturing like its foundry, process size, and transistor count.
| Spec | Core i3-8145U | A8-7100 |
|---|---|---|
| Manufacturer | Intel | AMD |
| Foundry | Intel | -- |
| Process Size | 10 nm | 28 nm |
| Transistors | -- | 2,410 million |
Architecture
CPU architecture specs like its memory channels, memory support, and microarchitecture. Newer CPU architectures can minimize bottlenecks and improve execution efficiency using more advanced techniques.
| Spec | Core i3-8145U | A8-7100 |
|---|---|---|
| Series | Core i3 | -- |
| Microarchitecture | Whiskey Lake | -- |
| Codename | Whiskey Lake-U | Bald Eagle |
| Memory Support | DDR4 | -- |
| Memory Channels | Dual-channel | -- |
| ECC Memory | No | -- |
Cores & Clock Speeds
Processing power information like its cores and clock speed. These specs impact how fast they can handle instructions and tasks. These have a strong impact on the CPU's performance.
| Spec | Core i3-8145U | A8-7100 |
|---|---|---|
| Cores | 2 | 4 |
| Threads | 4 | 4 |
| Clock Speed | 2.1 GHz | 1800.0 MHz |
| Turbo Clock | 3.9 GHz | 3000.0 MHz |
| Base Clock | 100 MHz | -- |
| Multiplier | 21.0x | -- |
| Multiplier Unlocked | No | -- |
Cache
CPU cache specs like its L1 & L2 cache. These provide the CPU with a small, but super-fast memory access. A larger cache can improve a CPU's performance.
| Spec | Core i3-8145U | A8-7100 |
|---|---|---|
| L1 Cache | 64 KB | -- |
| L2 Cache | 256 KB | 4 MB |
| L3 Cache | 4 MB | -- |
Compatibility & Power Consumption
Compatibility and power consumption information like its socket type, thermal design power, power limits. These can help verify the CPU's compatibility with other PC components.
| Spec | Core i3-8145U | A8-7100 |
|---|---|---|
| Socket | Intel BGA 1528 | Socket FP3 (906) |
| PCI Express | PCIe 3.0 x16 | -- |
| Thermal Design Power (TDP) | 15 W | 19 W |
| TJ Max | 100 °C | -- |
Graphics, Features, & Extensions
Additional CPU features like its bundled coolers, integrated graphics, and extensions/technologies.
| Spec | Core i3-8145U | A8-7100 |
|---|---|---|
| Integrated Graphics | UHD Graphics 620 | Radeon R5 Series |
| Extensions / Technologies | MMX, SSE, SSE2, SSE3, SSSE3, SSE4.2, AVX, AVX2, EIST, Intel 64, XD bit, VT-x, VT-d, HTT, AES-NI, CLMUL, FMA3, F16C, BMI1, BMI2, Boost 2.0 | -- |
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* Performance rating, performance per dollar, and rankings are based on the 3DMark 11 Performance Physics benchmark and MSRP.