AMD Ryzen 7 7840U vs AMD Ryzen 7 3700U

VS

AMD Ryzen 7 7840U

AMD Ryzen 7 3700U

We compared two laptop CPUs: AMD Ryzen 7 7840U with 8 cores 3.3GHz and AMD Ryzen 7 3700U with 4 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 7 7840U 's Advantages

Released 4 years and 4 months late

Better graphics card performance

Higher specification of memory (7500 vs 2400)

Larger memory bandwidth (89.6GB/s vs 35.76GB/s)

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (3.3GHz vs 2.3GHz)

Larger L3 cache size (16MB vs 4MB)

More modern manufacturing process (4nm vs 12nm)

Lower TDP (30W vs 35W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 7840U +89%

1745

AMD Ryzen 7 3700U

920

Cinebench R23 Multi Core

AMD Ryzen 7 7840U +237%

12789

AMD Ryzen 7 3700U

3792

Geekbench 6 Single Core

AMD Ryzen 7 7840U +206%

2480

AMD Ryzen 7 3700U

809

Geekbench 6 Multi Core

AMD Ryzen 7 7840U +383%

11518

AMD Ryzen 7 3700U

2380

Blender

AMD Ryzen 7 7840U +363%

227

AMD Ryzen 7 3700U

49

Geekbench 5 Single Core

AMD Ryzen 7 7840U +121%

1907

AMD Ryzen 7 3700U

860

Geekbench 5 Multi Core

AMD Ryzen 7 7840U +277%

10387

AMD Ryzen 7 3700U

2751

Passmark CPU Single Core

AMD Ryzen 7 7840U +81%

3593

AMD Ryzen 7 3700U

1976

Passmark CPU Multi Core

AMD Ryzen 7 7840U +246%

24968

AMD Ryzen 7 3700U

7197

AMD Ryzen 7 7840U

VS

AMD Ryzen 7 3700U

General Parameters

May 2023

Release Date

Jan 2019

Amd

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Phoenix)

Core Architecture

Picasso

FP8

Socket

FP5

Radeon 780M

Integrated Graphics

Radeon Vega 10

Package

25 billions

Transistor Count

4.9 billions

4 nm

Manufacturing Process

12 nm

15-30 W

Power Consumption

12-35 W

100 °C

Peak Operating Temperature

105 °C

CPU Performance

8

Performance Cores

4

16

Performance Core Threads

8

3.3 GHz

Performance Core Base Frequency

2.3 GHz

5.1 GHz

Performance Core Turbo Frequency

4 GHz

8

Total Core Count

4

16

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

33

Multiplier

23x

64 K per core

L1 Cache

96 K per core

8 MB

L2 Cache

512 K per core

16 MB

L3 Cache

4 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

DDR4-2400

256 GB

Max Memory Size

32 GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

35.76 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

800 MHz

GPU Base Frequency

300 MHz

2700 MHz

GPU Max Dynamic Frequency

1400 MHz

768

Shader Units

640

48

Texture Units

40

32

Raster Operation Units

8

12

Execution Units

10

15 W

Power Consumption

10 W

7680x4320 - 60 Hz

Max Resolution

3840x2160 - 60 Hz

4.15 TFLOPS

Graphics Performance

1.664 TFLOPS

AI Accelerator

AMD Ryzen™ AI

NPU

-

10 TOPS

Theoretical performance

-

Miscellaneous

AMD Ryzen 7 7840U

Official Website

AMD Ryzen 7 3700U

4.0

PCIe Version

3.0

20

PCIe Lanes

12

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