AMD Ryzen 5 7640HS

The Ryzen 5 7640HS is an upper mid-range processor (APU) of the Phoenix product family. It was brought to life in H1 2023 and it has 6 SMT-enabled Zen 4 cores (12 threads) running at 4.3 GHz to 5.0 GHz. The laptop chip is one of the first to feature Ryzen AI, AMD's answer to Intel's DL Boost and GNA technologies. The Radeon 760M iGPU is responsible for carrying out 3D calculations and similar duties.

Architecture & Features

Phoenix family chips are powered by the Zen 4 architecture, much like Dragon Range family chips are. The latter however lacks hardware AI workload acceleration capabilities that Phoenix has.

More importantly, Zen 4 introduces AVX512 support (Zen 3-powered chips did not have that) and, thanks to a plethora of other improvements including larger caches/registers/buffers across the board, is set to bring a double-digit IPC improvement.

Elsewhere, the 7640HS has 16 MB of L3 cache and a super-fast DDR5-5600 / LPDDR5x-7500 RAM controller. USB 4 (and thus Thunderbolt) is supported natively and so is PCIe 4. In fact, 20 PCIe 4 lanes are on offer; data transfer speeds of up to 7.8 GB/s will be possible provided a sufficiently fast NVMe SSD is used.

Systems powered by this Ryzen 5 series chip are expected to run 64-bit Windows 11, 64-bit Windows 10, or Linux. Please note that the APU is not overclockable and neither will you be able to replace it with a faster one as it gets soldered down permanently (FP7, FP7r2, FP8 socket interfaces).

Performance

The average 7640HS in our database is about as fast as the Ryzen 9 5900HX, Ryzen 7 6800H, Ryzen 7 7736U and also the Core i5-12500H, as far as multi-thread benchmark scores are concerned. This is a good if not record-breaking result as of mid 2023. Such a CPU will handle pretty much any task you can throw at it, gaming included.

Your mileage may vary depending on how high the CPU power limits are and how competent the cooling solution of your system is.

Graphics

The Radeon 760M has 8 CUs (512 shaders) running at up to 2,600 MHz. While this is not the best graphics adapter for gaming as it's only just fast enough for low quality settings and resolutions such as 1600 x 900, it will let you connect up to four SUHD 4320p monitors and it also HW-encodes and HW-decodes the most widely used video codecs such as AV1, HEVC and AVC.

Power consumption

The 7640HS has a long-term power limit (default TDP) of 35 W to 54 W, giving laptop makers a choice between improving battery life and giving the system they are working on more oomph. Either way, an active cooling solution is a must for any system powered by this chip.

The APU is built with TSMC's 4 nm process for high, as of late 2023, energy efficiency.

Series

AMD Phoenix (Zen 4, Ryzen 7040)

Codename

Phoenix-HS (Zen 4)

Series: Phoenix (Zen 4, Ryzen 7040) Phoenix-HS (Zen 4)

AMD Ryzen 9 7940HS	4 - 5.2 GHz	8 / 16	16 MB L3
AMD Ryzen 9 PRO 7940HS	4 - 5.2 GHz	8 / 16	16 MB L3
AMD Ryzen 7 7840HS	3.8 - 5.1 GHz	8 / 16	16 MB L3
AMD Ryzen 7 7840S	3.8 - 5.1 GHz	8 / 16	16 MB L3
AMD Ryzen 7 PRO 7840HS	3.8 - 5.1 GHz	8 / 16	16 MB L3
AMD Ryzen 5 7640HS «	4.3 - 5 GHz	6 / 12	16 MB L3

Clock Rate

4300 - 5000 MHz

Level 1 Cache

384 KB

Level 2 Cache

6 MB

Level 3 Cache

16 MB

Number of Cores / Threads

6 / 12

Power Consumption (TDP = Thermal Design Power)

45 Watt

Manufacturing Technology

4 nm

Die Size

178 mm²

Max. Temperature

100 °C

Socket

FP7/FP7r2/FP8

Features

DDR5-5600/LPDDR5x-7500 RAM, PCIe 4, Ryzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3

GPU

AMD Radeon 760M ( - 2600 MHz)

64 Bit

64 Bit support

Architecture

x86

Announcement Date

01/05/2023

Product Link (external)

www.amd.com