Intel Core i7-7820HK vs Intel Atom Z3740
The Core i7-7820HK has 712% better performance than the Atom Z3740 for the 3DMark 11 Performance Physics benchmark.
The Core i7-7820HK has 22% 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 i7-7820HK CPU
The Intel Core i7-7820HK is an end-of-life 4-core (8-thread) processor built for the mobile CPU market. It launched in Q1 2017 with a suggested retail price of $378. It is part of Intel's Core i7 lineup, which is based on the Kaby Lake-H microarchitecture. The i7-7820HK is compatible with Intel BGA 1440 motherboards and is fabricated on Intel's 14 nm manufacturing process. It features the Intel HD Graphics 630 integrated graphics solution.
Memory and Cache
The Core i7-7820HK supports DDR4-2400, DDR3 memory and features a dual-channel memory controller, allowing it to utilize 2 memory modules simultaneously. In terms of cache, the Core i7-7820HK 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 8 MB.
Cores and Clock Speeds
The Core i7-7820HK features 4 total cores which can process 8 threads simultaneously. The multi-threading capability allows the CPU to execute multiple computational tasks in parallel. The base clock speed of the CPU is 2.9 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 unlocked, enabling overclocking for those seeking to push the CPU's performance further.
Integrated Graphics
The Core i7-7820HK includes an integrated graphics solution called Intel HD Graphics 630. 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 i7-7820HK has the 246th best 3DMark 11 Performance Physics score among the 720 benchmarked CPUs in our database. It achieves 27.08% of the performance of the best benchmarked CPU, the AMD Ryzen 9 7950X3D. Its 10,019 score and $378 launch price (MSRP) gives it a performance per dollar of 26.51. This is the 137th best in value for the 3DMark 11 Perf. Physics benchmark.
About the Intel Atom Z3740 CPU
The Intel Atom Z3740 is an end-of-life 4-core (4-thread) processor built for the mobile CPU market. It launched in Q3 2013. It is part of Intel's Atom lineup, which is based on the Bay Trail-T microarchitecture. The Z3740 is compatible with Intel BGA 1380 motherboards and is fabricated on Intel's 22 nm manufacturing process. It features the HD Graphics integrated graphics solution.
Memory and Cache
The Atom Z3740 supports DDR3 memory and features a dual-channel memory controller, allowing it to utilize 2 memory modules simultaneously. In terms of cache, the Atom Z3740 has multiple levels of cache. Its L1 cache, which is the smallest and fastest, is 56 KB in size, providing rapid access to crucial instructions. Its L2 cache, at 2 MB, is larger but slower than the L1.
Cores and Clock Speeds
The Atom Z3740 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 1333.0 MHz, and it can boost up to 1867.0 MHz 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 Atom Z3740 includes an integrated graphics solution called HD Graphics. 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 Atom Z3740 has the 687th best 3DMark 11 Performance Physics score among the 720 benchmarked CPUs in our database. It achieves 3.34% 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 i7-7820HK | Atom Z3740 |
|---|---|---|
| Manufacturer | Intel | Intel |
| Series | Core i7 | Atom |
| Market Segment | Mobile | Mobile |
| Release Date | Q1 2017 | Q3 2013 |
| Launch Price (MSRP) | $378 | -- |
| Production Status | End-of-life | End-of-life |
| Shop | Check Price | Check Price |
Benchmark Performance
The Core i7-7820HK has 712% better performance than the Atom Z3740 for the 3DMark 11 Performance Physics benchmark.
The Core i7-7820HK is ranked 246th with a score of 10,019, and the Atom Z3740 is ranked 687th with a score of 1,234.
The Core i7-7820HK has 50% of the performance per dollar compared to the leader for the 3DMark 11 Performance Physics benchmark: AMD Ryzen 9 7950X3D.
Core i7-7820HK's 26.51 performance per dollar ranks it 137th 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 i5-11300H | 10,532 | +5% |
| Core i7-1195G7 | 10,438.5 | +4% |
| Core i7-7820HK | 10,019 | |
| Core i7-7920HQ | 10,006 | -0% |
| Xeon E3-1535M v5 | 9,866 | -2% |
| Atom Z3745 | 1,261 | -87% |
| E2-9010 | 1,241 | -88% |
| Atom Z3740 | 1,234 | -88% |
| A6-4455M | 1,212 | -88% |
| Atom Z3735D | 1,202 | -88% |
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 i7-1355U | 28.03 | +6% |
| Xeon E-2276M | 27.93 | +5% |
| Core i7-11370H | 27.51 | +4% |
| Core i7-11375H | 26.88 | +1% |
| Core i5-8259U | 26.65 | +1% |
| Core i7-7820HK | 26.51 | |
| Core i5-7440HQ | 26.33 | -1% |
| Xeon E-2176M | 26.06 | -2% |
| Core i9-10885H | 25.7 | -3% |
| Core i7-11390H | 24.89 | -6% |
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 i7-7820HK | Atom Z3740 |
|---|---|---|
| 3DMark 11 Performance Physics | 10,019 (+711.91%) | 1,234 |
| 3DMark Time Spy CPU | 4,447 | -- |
| Cinebench R15 Multi-Core | 770 | -- |
| Cinebench R15 Single-Core | 162 | -- |
| Geekbench 6.2 Multi-Core | 4,139 | -- |
| Geekbench 6.2 Single-Core | 1,260 | -- |
| CPU Mark Multi-Thread | 7,402 (+1,067.51%) | 634 |
| CPU Mark Single-Thread | 2,118 (+405.49%) | 419 |
Technical Specs
Manufacturing Details
Information about the CPU's manufacturing like its foundry, process size, and transistor count.
| Spec | Core i7-7820HK | Atom Z3740 |
|---|---|---|
| Manufacturer | Intel | Intel |
| Foundry | Intel | Intel |
| Process Size | 14 nm | 22 nm |
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 i7-7820HK | Atom Z3740 |
|---|---|---|
| Series | Core i7 | Atom |
| Microarchitecture | Kaby Lake-H | Bay Trail-T |
| Codename | Kaby Lake-H | Bay Trail-T |
| Memory Support | DDR4-2400, DDR3 | DDR3 |
| Memory Channels | Dual-channel | Dual-channel |
| ECC Memory | No | 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 i7-7820HK | Atom Z3740 |
|---|---|---|
| Cores | 4 | 4 |
| Threads | 8 | 4 |
| Clock Speed | 2.9 GHz | 1333.0 MHz |
| Turbo Clock | 3.9 GHz | 1867.0 MHz |
| Base Clock | 100 MHz | 133 MHz |
| Multiplier | 29.0x | 10.0x |
| Multiplier Unlocked | Yes | 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 i7-7820HK | Atom Z3740 |
|---|---|---|
| L1 Cache | 64 KB | 56 KB |
| L2 Cache | 256 KB | 2 MB |
| L3 Cache | 8 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 i7-7820HK | Atom Z3740 |
|---|---|---|
| Socket | Intel BGA 1440 | Intel BGA 1380 |
| PCI Express | PCIe 3.0 x16 | -- |
| Thermal Design Power (TDP) | 45 W | 2 W |
| TJ Max | 100 °C | -- |
Graphics, Features, & Extensions
Additional CPU features like its bundled coolers, integrated graphics, and extensions/technologies.
| Spec | Core i7-7820HK | Atom Z3740 |
|---|---|---|
| Integrated Graphics | Intel HD Graphics 630 | HD Graphics |
| Extensions / Technologies | MMX, SSE, SSE2, SSE3, SSSE3, SSE4.2, AVX, AVX2, EIST, Intel 64, XD bit, TXT, VT-x, VT-d, AES-NI, TBT 2.0 | MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AES-NI, EIST, XD bit, BPT, SMEP, RDRAND, Boost |
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* Performance rating, performance per dollar, and rankings are based on the 3DMark 11 Performance Physics benchmark and MSRP.