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Intel Atom Z3775 vs AMD Ryzen 5 8640HS
Last updated:
Benchmarks
Performance Overview
Average performance across multiple benchmarks
Single-core performance
Multi-core performance
Geekbench 5, 64bit Single-Core
Single-core performance
Intel Atom Z3775
13 %
4C / 4T · 2.39 GHz
AMD Ryzen 5 8640HS
100 %
6C / 12T · 5.00 GHz
iGPU - FP32 Performance (Single-precision GFLOPS)
Intel Atom Z3775
2 %
Intel HD Graphics (Bay Trail GT1)
AMD Ryzen 5 8640HS
100 %
AMD Radeon 760M
More benchmarks
Cinebench 2024 (SC)
427 entries
427 entries
Geekbench 6 (SC)
1,989 entries
1,989 entries
Geekbench 5 (SC)
2,512 entries
2,512 entries
Geekbench 5 (MC)
2,483 entries
2,483 entries
FP32 SP (iGPU)
2,219 entries
2,219 entries
3DMark Timespy (iGPU)
534 entries
534 entries
PassMark CPU-Mark
2,504 entries
2,504 entries
Geekbench 3 (SC)
945 entries
945 entries
Geekbench 3 (MC)
941 entries
941 entries
AI performance (NPU)
218 entries
218 entries
Specifications
At a glance
|
Wischen
|
Intel Atom Z3775 | AMD Ryzen 5 8640HS |
|---|---|---|
| Family | Intel Atom (108) | AMD Ryzen 5 (100) |
| CPU group | Intel Atom Z3700 (16) | AMD Ryzen 8040 (22) |
| Architecture | Bay Trail | Hawk Point (Zen 4) |
| Technology | 22 nm | 4 nm |
| Segment | Notebook | Notebook |
| Socket | BGA 1380 | FP8 |
| Predecessor | AMD Ryzen 5 7640HS | |
| Successor |
CPU Cores and Base Frequency
|
Wischen
|
Intel Atom Z3775 | AMD Ryzen 5 8640HS |
|---|---|---|
| CPU Cores / Threads | 4 / 4 | 6 / 12 |
| Hyperthreading / SMT | ✗ | ✓ |
| Core architecture | normal | normal |
| Cores: | 4x | 6x Zen 4 |
| Frequency: | 1.46 GHz | 3.80 GHz |
| Turbo (1 Core): | 2.39 GHz | 5.00 GHz |
| Turbo (All Cores): | ||
| L2-Cache | 6.00 MB | |
| L3-Cache | 2.00 MB | 16.00 MB |
| Overclocking | ✗ | ✗ |
Integrated graphics (iGPU)
|
Wischen
|
Intel Atom Z3775 | AMD Ryzen 5 8640HS |
|---|---|---|
| GPU name | Intel HD Graphics (Bay Trail GT1) | AMD Radeon 760M |
| GPU frequency | 0.31 - 0.78 GHz | 0.80 - 2.60 GHz |
| CUs / Shader | 4 / 32 | 8 / 512 |
| Raytracing | ✗ | ✓ |
| Max. displays | 2 | 4 |
| Max. GPU Memory | 2 GB | 32 GB |
| Technology | 22 nm | 4 nm |
| Release date | Q3/2013 | Q1/2023 |
NPU AI performance
|
Wischen
|
Intel Atom Z3775 | AMD Ryzen 5 8640HS |
|---|---|---|
| AI hardware | AMD Ryzen™ AI | |
| AI specifications | AMD Ryzen™ AI (XDNA) @ 16 TOPS | |
| NPU + CPU + iGPU |
Memory & PCIe
|
Wischen
|
Intel Atom Z3775 | AMD Ryzen 5 8640HS |
|---|---|---|
| Memory | LPDDR3-1066 (17.1 GB/s) | LPDDR5X-7500 (120.0 GB/s) LPDDR5-6400 (102.4 GB/s) DDR5-5600 (89.6 GB/s) DDR5-4800 (76.8 GB/s) |
| Max. Memory | 4 GB | 256 GB |
| Memory channels | 2 | 2 |
| ECC | No | No |
| PCIe | 4.0 x 20 | |
| PCIe Bandwidth | 39.4 GB/s |
Thermal Management
|
Wischen
|
Intel Atom Z3775 | AMD Ryzen 5 8640HS |
|---|---|---|
| TDP | 3.5 W | 28 W |
| TDP (PL2) | ||
| TDP up | 54 W | |
| TDP down | 35 W | |
| T. junction max. | 90 °C | 100 °C |
Technical details
|
Wischen
|
Intel Atom Z3775 | AMD Ryzen 5 8640HS |
|---|---|---|
| Chip design | Monolithic | Monolithic |
| AES-NI | ✓ | ✓ |
| Operating systems | Windows 10, Windows 11, Linux | |
| Instruction set | x86-64 (64 bit) | x86-64 (64 bit) |
| ISA extensions | SSE4.1, SSE4.2 | SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 |
| Release date | Q1/2014 | Q1/2024 |
| Release price | ||
| Documents | Technical data sheet | Technical data sheet |
User Reviews
Your rating
Here you can rate one or both of the processors. The average rating of Intel Atom Z3775 is 5.0 stars (1 ratings), while AMD Ryzen 5 8640HS has received 4.4 stars (35 ratings).
Click on the stars to rate one or both processors.
Most popular CPUs in both categories
1
Intel Atom Z3775
4C / 4T · 2.39 GHz
2
Apple M5 Max (18-CPU 32-GPU)
18C / 18T · 4.61 GHz
3
Apple M2 Ultra (76-GPU)
24C / 24T · 3.50 GHz
4
Apple M5 Max (18-CPU 40-GPU)
18C / 18T · 4.61 GHz
5
Apple M1 Ultra (48-GPU)
20C / 20T · 3.20 GHz
6
Apple M5 Pro (15-CPU 16-GPU)
15C / 15T · 4.61 GHz
7
Apple M2 Ultra (60-GPU)
24C / 24T · 3.50 GHz
8
Apple M1 Pro (8-CPU)
8C / 8T · 3.20 GHz
9
AMD Ryzen 5 8640HS
6C / 12T · 5.00 GHz
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