AMD Radeon 840M vs AMD Radeon RX Vega 8

Compared 2 processors: AMD Radeon 840M, vs AMD Radeon RX Vega 8. Below are specs, tests, pros and cons for each device

Review

Key Specs AMD Radeon 840M and AMD Radeon RX Vega 8
Games
Performance in DirectX, OpenCL, Vulkan
AI/ML
AI workload testing
Professional Apps
3D modeling, video editing, rendering
Energy Efficiency
Power usage in various scenarios
NanoReview Score
Overall score by NanoReview

Tests & specs

Specs & test comparison

Games

FPS Table
Game title
1080p (High)
1080p (Ultra)
1440p (Ultra)
4K (Ultra)
Forza Horizon 5
n/a
n/a
n/a
n/a
24
12
9
n/a
The Witcher 3
n/a
n/a
n/a
n/a
9
11
n/a
n/a
Counter-Strike 2
n/a
n/a
n/a
n/a
27
17
12
n/a
Far Cry 6
n/a
n/a
n/a
n/a
19
17
10
n/a
Hogwarts Legacy
n/a
n/a
n/a
n/a
10
n/a
n/a
n/a
COD Modern Warfare 3
n/a
n/a
n/a
n/a
20
15
13
n/a
Ghost of Tsushima
n/a
n/a
n/a
n/a
12
n/a
n/a
n/a
Cyberpunk 2077
n/a
n/a
n/a
n/a
9
n/a
n/a
n/a
Shadow of the Tomb Raider
n/a
n/a
n/a
n/a
15
15
10
n/a
Avg FPS
1080p Highn/a16
1080p Ultran/a12
1440p Ultran/a9
4K Ultran/a-
Deviationn/aLow

Benchmarks

CPU performance comparison across tasks
3DMark
Steel Nomad Lite Score
AMD Radeon 840M
n/a
AMD Radeon RX Vega 8
1248
Time Spyn/a1413
Fire Striken/a4515
Night Raidn/a17937
GeekBench v6
GB6 Compute Score
AMD Radeon 840M
n/a
AMD Radeon RX Vega 8
10472
Background Blurn/a21.2 frames/s
Face Detectionn/a10.9 frames/s
Horizon Detectionn/a0.34 Gpix/sec
Edge Detectionn/a0.65 Gpix/sec
Gaussian Blurn/a0.51 Gpix/sec
Feature Matchingn/a0.13 Gpix/sec
Stereo Matchingn/a34.9 Gpix/sec
Particle Physicsn/a1322.9 fps
APIn/aOpenCL
PassMark
PassMark Graphics
AMD Radeon 840M
n/a
AMD Radeon RX Vega 8
1580
G2D Markn/a409
DirectX 11n/a10 fps
DirectX 12n/a8 fps
GPU Computen/a874 Ops/s
GFXBench 5
Aztec Ruins (High 4K)
AMD Radeon 840M
n/a
AMD Radeon RX Vega 8
12.4 fps
Aztec Ruins (Normal)n/a77 fps
Car Chasen/a68.4 fps
Manhattan 3.1.1 (1440p)n/a58.9 fps
T-Rexn/a293.7 fps
ALU 2n/a318 fps
Driver Overhead 2n/a98.4 fps
APIn/aOpenGL
OSn/aWindows
Tessellationn/a340.4

Tech Specs

Specs & test comparison

General Info

Manufacturer AMD AMD
Build Integrated Integrated
Announced January, 7, 2025 February, 13, 2018
Form Factor Laptop use Laptop use
Use case Universal Universal
Segment Entry-level Entry-level
Architecture RDNA 3.5 GCN 5.0
Codename Krackan Point Raven

GPU

GPU Frequency n/a 300 MHz
Boost GPU Frequency 2900 MHz 1100-2100 MHz
Shader Units 256 512
TMUs 16 32
ROPs 8 8
Execution Units 4 8
Ray Tracing Cores 4 No
Tensor Cores n/a No
Instructions per Clock 4 IPC 2 IPC

Performance

Pixel Fill Rate 23 Gpix/sec 9-17 Gpix/sec
Texture Fill Rate 46 GTex/s 35-67 GTex/s
FLOPS 3 TFLOPS 1.1-2.2 TFLOPS

Process

Interface PCIe 4.0 x16 IGP
TGP 15-54 W 15 W
Process TSMC TSMC
Process tech. 4 nm 7 nm
Max temperature 100 °C n/a
Transistor Size n/a 210 mm²
Transistor count n/a 4.94 billion
Transistor density n/a 23.52 MTr/mm²

Memory

Interface System Shared System Shared
ECC support n/a No

API

DirectX 12 12
Vulkan 1.4 1.3
OpenGL 4.6 4.6
DisplayPort 2.1 n/a
Ray Tracing Yes No
DLSS No No

Results

After analyzing the data, we consider AMD Radeon 840M the clear winner in this comparison.

Survey

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