AMD Ryzen 7 7840HS vs AMD Ryzen 9 7940H Full Specs

Summary

8 Cores 16 Threads 3.8GHz	8 Cores 16 Threads 4GHz
TDP 45W	TDP 45W
Bandwidth 120GB/s LPDDR5X·DDR5	Bandwidth 120GB/s LPDDR5X·DDR5
iGPU Radeon 780M 2700MHz	iGPU Radeon 780M 2800MHz
Peak·FP32·FP16 8.29 TFLOPSFP16	Peak·FP32·FP16 8.6 TFLOPSFP16
Socket FP8	Socket FP8

Highlights

Geekbench 6 Single

Geekbench 6 Single Geekbench 6 Multi Max Bandwidth iGPU Peak iGPU FP32 iGPU FP16 NPU TOPS TDP

Ryzen 7 7840HS2,604

x1

Ryzen 9 7940H2,651

x1.02

Show Top Score

Core Config

8 Cores	8 Cores
16 Threads	16 Threads

Clocks

Base Clock 3.8GHz	Base Clock 4GHz
Boost Clock 5.1GHz	Boost Clock 5.2GHz
Overclocking Locked	Overclocking Locked

Cache

L1i 32KB	L1i 32KB
L1d 32KB	L1d 32KB
L2 1MB	L2 1MB
L3 16MB	L3 16MB

Memory

Type LPDDR5X·DDR5	Type LPDDR5X·DDR5
Max Memory 256GB	Max Memory 256GB
ECC No	ECC No
Channels 2	Channels 2
Bus Width 128-bit	Bus Width 128-bit
Speed 7500MT/s	Speed 7500MT/s
Bandwidth 120GB/s	Bandwidth 120GB/s
Bandwidth Calculator Channels Transfer Rate7500MT/s Calculated Bandwidth 120GB/s	Bandwidth Calculator Channels Transfer Rate7500MT/s Calculated Bandwidth 120GB/s

Power & Thermals

TDP 45W	TDP 45W
cTDP-down 35W	cTDP-down 35W
cTDP-up 54W	cTDP-up 54W
Max Operating Temp 100°C Max	Max Operating Temp 100°C Max

Chipset Bus

Bus Type PCIe	Bus Type PCIe
Bus Config 4 lanes	Bus Config 4 lanes
Bus Speed 16GT/s	Bus Speed 16GT/s
Bus Bandwidth 8GB/s	Bus Bandwidth 8GB/s

Expansion

PCIe PCIe 4.0 x20 39.4GB/sBandwidth

PCIe PCIe 4.0 x20 39.4GB/sBandwidth

iGPU

iGPU Radeon 780M 2700MHz	iGPU Radeon 780M 2800MHz
Shaders 768	Shaders 768
Boost Clock 2.7GHz	Boost Clock 2.8GHz
Peak·FP32·FP16 8.29 TFLOPSFP16	Peak·FP32·FP16 8.6 TFLOPSFP16

NPU

NPU Model Ryzen AI	NPU Model Ryzen AI
Performance 10 TOPS	Performance 10 TOPS

Chip

Manufacturer AMD	Manufacturer AMD
ISA x86-64	ISA x86-64
Architecture Zen 4	Architecture Zen 4
Family Ryzen 7000	Family Ryzen 7000
Branding	Branding
Codename Phoenix Point	Codename Phoenix Point
Market Segment Laptop	Market Segment Laptop
Release Date Jan 3, 2023	Release Date Jan 3, 2023

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node N4	Fabrication Node N4
Die Size 178mm²	Die Size 178mm²
Transistor Count 25 Billion	Transistor Count 25 Billion
Transistor Density 140 MTr/mm²	Transistor Density 140 MTr/mm²

Images

No images available

No images available

Used In

Laptops Framework 16(Mid 2023)G15(5535, Mid 2023)

Laptops -

Competitors

AMDRyzen 7 7840HS vs CPU AMDRyzen AI 7 PRO 350 AMDRyzen 7 7840HS vs CPU AMDRyzen AI 7 350 AMDRyzen 7 7840HS vs CPU AMDRyzen AI Max 385 Show 12 more

AMDRyzen 9 7940H vs CPU AMDRyzen AI 7 PRO 350 AMDRyzen 9 7940H vs CPU AMDRyzen AI 7 350 AMDRyzen 9 7940H vs CPU AMDRyzen AI Max 385 Show 12 more