AMD Ryzen 7 7840U specifications and performance
AMD Ryzen 7 7840U is a 8 cores and 16 threads CPU processor produced by AMD. AMD Ryzen 7 7840U was released on 2023-05-03, the fabrication process is 4nm (nanometer), the CPU codename is Zen 4 (Phoenix), the instruction set architecture is x86-64, and the CPU's integrated graphics (iGPU) is Radeon 780M.
| Vendor / Supplier | AMD |
|---|---|
| Short name | r7 7840u |
| Release date | 2023-05-03 |
| CPU code name | Zen 4 (Phoenix) |
| Fabrication process | 4nm (nanometer) |
| Instruction set architecture | x86-64 |
| Market | Laptop |
| Integrated Graphics (iGPU) | Radeon 780M |
| Total number of cores | 8 cores |
|---|---|
| Total number of threads | 16 threads |
| Number of performance cores | 8 cores |
| Number of performance core threads | 16 threads |
| Performance core base frequency / main frequency | 3.3GHz |
| Performance core maximum turbo frequency | 5.1GHz |
| Number of energy efficiency cores | |
| Number of energy-efficient core threads | |
| Energy efficiency core basic frequency / main frequency | |
| Energy efficiency core maximum turbo frequency |
| Bus frequency | 100MHz |
|---|---|
| L1 Cache | 64 KB |
| L2 Cache | 1 MB |
| L3 Cache | 16 MB |
| Unlock multiplier | No |
| Maximum supported memory | 256GB |
|---|---|
| Memory frequency support |
|
| Maximum number of memory channels | 2 |
| Maximum memory bandwidth | |
| ECC support | No |
| CPU Socket | FP8 |
|---|---|
| Default thermal design power / TDP PL1 | 15W |
| Maximum Turbo Power Consumption / TDP PL2 | |
| Maximum temperature | 100°C |
| PCIe interface | PCIe 4.0 |
| PCIe lane count | 20 |
| Integrated Graphics (iGPU) | Radeon 780M |
|---|---|
| Base frequency | 1500MHz |
| Maximum acceleration frequency | 2700MHz |
| Number of execution units | 12 |
| Stream Processors / Shading Units | 768 |
| Texture Units / TMUs | 48 |
| Raster Operations Units / ROPs | 32 |
| Total Graphics Power / TGP | 15W |
| FP32 computing performance |
8.12TFLOPS
|
| Single core performance score |
1759
|
|---|---|
| Multi-core performance score |
12910
|
| Single core performance score |
|
|---|---|
| Multi-core performance score |
|
| Integer math | |
| Floating point math | |
| Find prime numbers | |
| Random string sorting | |
| Data encryption | |
| Data compression | |
| Physics simulation | |
| Extended instruction test |
| Single core performance |
2482
|
|---|---|
| Multi-core performance |
11509
|
| File compression | 825.1 MB/sec (megabits per second) |
| clang compilation | 79 Klines/sec (thousands lines per second) |
| HTML5 browsing | 157.1 pages/sec (pages per second) |
| PDF rendering | 269 Mpixels/sec (megapixels per second) |
| Text processing | 242.5 pages/sec (pages per second) |
| Background blur | 47.5 images/sec (images per second) |
| Photo processing | 65.9 images/sec (images per second) |
| Ray tracing | 18.1 Mpixels/sec (megapixels per second) |