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Radeon 840M vs Radeon 820M

Radeon 840M
VS
Radeon 820M
AMD Radeon 840M
Krackan Point
AMD Radeon 820M
Krackan Point

We compared two integrated laptop GPUs: the Radeon 840M with 4 pipelines and 256 shaders against the Radeon 820M that utilizes 2 pipelines and 128 shaders. Here you will find complete details about specs, efficiency, performance tests, and more.

  1. Review
  2. Differences
  3. Gaming performance
  4. Benchmarks
  5. AI
  6. Specs
  7. Comments

Review

General comparison of performance in games, applications, power efficiency, and other metrics
Gaming
Performance in DirectX, OpenCL, and Vulkan games
Workstation
Perf. in 3D modeling, video editing and rendering apps
Energy Efficiency
Power consumption efficiency in different scenarios
NanoReview Final Score
Overall video card score

Key differences

Key distinctions and advantages of Radeon 820M over Radeon 840M
Reasons to consider the Radeon 840M
  • 2.1x higher maximum theoretical performance (1.5 vs 0.7 TFLOPS)
  • Has 2x more shading units (256 vs 128)

Gaming Performance

Frame rate comparison across popular AAA titles at different resolutions
GPU
Radeon 840M
vs
Radeon 820M

Games

FPS Table
Forza Horizon 5
25
14
12
-
-
The Witcher 3
11
12
-
-
-
Counter-Strike 2
27
20
14
-
-
Far Cry 6
21
17
12
-
-
Hogwarts Legacy
11
-
-
-
-
CoD: Modern Warfare III
22
19
14
9
 -
Ghost of Tsushima
13
10
-
-
-
Cyberpunk 2077
10
10
-
-
-
Shadow of the Tomb Raider
16
18
11
-
-
Average FPS by Resolution
1080p High 17 -
1080p Ultra 14 -
1440p Ultra 10 -
4K Ultra - -
Margin of Error High High

Benchmarks

Graphics cards’ performance in recent benchmarking apps

3D Mark

Multiplatform graphics benchmark suite that directly correlates with performance in modern games
Steel Nomad Lite Score
Time Spy 1699 -
Solar Bay 6960 -
Port Royal 553 -
Fire Strike 5303 -
Wild Life Extreme 2671 -
Night Raid 22563 -
Sources: 3DMark [1]

GeekBench 6 GPU Compute

GPU test for computational tasks (image processing, photography, computer vision, and ML)
GB6 Compute Score
Background Blur 31.8 img/sec -
Face Detection 16.8 img/sec -
Horizon Detection 0.46 Gpixels/sec -
Edge Detection 0.58 Gpixels/sec -
Gaussian Blur 0.42 Gpixels/sec -
Feature Matching 0.18 Gpixels/sec -
Stereo Matching 52.5 Gpixels/sec -
Particle Physics 2048.6 FPS -
API OpenCL -
Sources: Geekbench [3]

Passmark Graphics

Videocard test that focuses on compute shaders, multi-texturing, tessellation, and other features
G3D Mark Score
Radeon 840M +67%
3674
Radeon 820M
2199
G2D Mark 870 756
DirectX 11 32 FPS 21 FPS
DirectX 12 17 FPS 10 FPS
GPU Compute 1697 Ops/s 986 Ops/s
Sources: PassMark [5], [6] – 1020 & 85 samples

Blender

Rendering performance test for 3D modeling
Blender GPU
Sources: Blender [9] – 12 samples
Add your GPU benchmark result

Artificial Intelligence Tests

Performance in machine learning and artificial intelligence tasks

GeekBench 6 ML

Tests throughput of AI operations in single, half, and quantized precision
GB6 ML Single Precision
GB6 ML Half Precision
GB6 ML Quantized
Image Classification (SP) 1988 -
Image Segmentation (HP) 2184 -
Image Super Resolution (Q) 4788 -
Face Detection (HP) 6857 -
Pose Estimation (Q) 17396 -
Text Classification (SP) 1628 -
Machine Translation (HP) 2053 -
Object Detection (SP) 1825 -
Depth Estimation (Q) 8471 -
Style Transfer (SP) 31032 -
Framework ONNX -
Backend DirectML -
Sources: Geekbench [9]

Specifications

Technical specifications of Radeon 840M and Radeon 820M

General

Vendor Amd Amd
Build Integrated Integrated
Released January 7, 2025 January 6, 2025
Case Laptop Laptop
Purpose Generic Generic
Segment Entry-level Entry-level
Architecture RDNA 3.5 RDNA 3.5
GPU Codename Krackan Point Krackan Point
Rival Equivalent - Intel Arc 130T - Intel Xe3 Graphics (2-Core)
Recommended CPU - AMD Ryzen AI 5 340 or above - AMD Ryzen AI 5 330 or above
Used in CPUs - AMD Ryzen AI 7 345
- AMD Ryzen AI 5 430
- AMD Ryzen AI 7 445
- AMD Ryzen AI 5 435
- AMD Ryzen AI 5 440
- AMD Ryzen AI 5 340		 - AMD Ryzen AI 5 330
Laptop GPU ranking (107th and 62nd place)

Graphics Processing Unit

Base Clock 400 MHz 400 MHz
Boost Clock 2900 MHz 2800 MHz
Shading Units 256 128
Texture Mapping Units (TMUs) 16 8
Render Output Units (ROPs) 8 4
Compute Units (Pipelines) 4 2
Tensor Cores No No
Ray-tracing Cores 4 2
L1 Cache 128KB per cluster 128KB per cluster
L2 Cache 1MB shared 1MB shared
Instructions Per Cycle 2 IPC 2 IPC

Raw Performance

Pixel Fill Rate 23 GPixel/s 11 GPixel/s
Texture Fill Rate 46 GTexel/s 22 GTexel/s
FLOPS (FP32)
Radeon 840M +114%
1.5 TFLOPS
Radeon 820M
0.7 TFLOPS

Physical

Interface PCIe 4.0 x8 PCIe 4.0 x8
TGP 15 W 15 W
Manufacturing TSMC TSMC
Fabrication Process 4 nm 4 nm
Die Size 195 mm² 195 mm²
Max. Temperature 100°C 100°C

Memory

Memory Type System Shared System Shared
ECC No No

API

DirectX 12 12
Vulkan 1.4 1.4
OpenGL 4.6 4.6
OpenCL 2.1 2.1
CUDA No No
Ray Tracing Yes Yes
DLSS No No
DisplayPort 2.1 2.1

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