Radeon 840M
VS
Radeon R9 M485X

Radeon 840M vs Radeon R9 M485X

AMD

Radeon 840M

2024Boost: 2900 MHz
VS
AMD

Radeon R9 M485X

2016Core: 723 MHz

Performance Spectrum - GPU

About G3D Mark

G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (G3D Mark) per dollar. Components placed above yours deliver better value for money. The Radeon 840M is positioned at rank 24 and the Radeon R9 M485X is on rank 393, so the Radeon 840M offers better cost-efficiency for playing games.

MSRP is the manufacturer's suggested retail price.
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Radeon 840M

#14
Radeon RX 550X (móvel)
MSRP: $35|Avg: $35
143%
#16
129%
#17
129%
#21
GeForce GTX 1050 (Mobile)
MSRP: N/A|Avg: $50
117%
#22
Radeon RX 6300
MSRP: $60|Avg: $40
117%
#24
Radeon 840M
MSRP: N/A|Avg: N/A
100%
#35
GeForce GTX 960M
MSRP: N/A|Avg: $50
89%
#37
87%
Based on actual market prices and performance benchmarks.

Performance Per Dollar Radeon R9 M485X

#383
Radeon RX 550X (móvel)
MSRP: $35|Avg: $35
1285%
#385
1165%
#386
1162%
#390
GeForce GTX 1050 (Mobile)
MSRP: N/A|Avg: $50
1056%
#391
Radeon RX 6300
MSRP: $60|Avg: $40
1049%
#393
Radeon R9 M485X
MSRP: $450|Avg: $150
100%
#394
Radeon HD 8570D + HD 6670 Dual
MSRP: $150|Avg: $100
100%
#395
Radeon HD 6650A
MSRP: $100|Avg: $50
99%
#396
GeForce 920A
MSRP: $100|Avg: $15
98%
#397
GeForce 930A
MSRP: $150|Avg: $20
98%
#398
Mobility Radeon HD 4650
MSRP: $49|Avg: $15
97%
#399
Radeon R9 M290X
MSRP: $400|Avg: $60
95%
#401
Radeon HD 7670
MSRP: $100|Avg: $25
95%
#402
Radeon HD 8550G + 8750M Dual
MSRP: $100|Avg: $100
94%
#403
Iris Pro Graphics 5200
MSRP: $150|Avg: $40
92%
#404
Mobility Radeon HD 5000
MSRP: $99|Avg: $20
92%
#406
92%
#407
Radeon HD 8650G + 7700M Dual
MSRP: $150|Avg: $30
89%
#408
Radeon R9 M290X Crossfire
MSRP: $800|Avg: $200
89%
Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

⚠️ Generational Difference

The Radeon 840M is significantly newer (2024 vs 2016). The Radeon 840M likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon R9 M485X lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.

🚀 Performance Leadership

The Radeon 840M is the superior choice for raw performance. It leads with a 0.1% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon R9 M485X.

InsightRadeon 840MRadeon R9 M485X
Performance
Leading raw performance (+0.1%)
Lower raw frame rates (-0.1%)
Longevity
RDNA 3+ (2024) (4nm)
🛑Obsolete Architecture (2016 / GCN 3.0 (2014−2019))
Ecosystem
Supports FSR Upscaling
Supports FSR Upscaling
VRAM
❌ Less VRAM capacity
✅ More VRAM (+0%)
Efficiency
💡 Excellent Perf/Watt
⚡ Higher Power Consumption
Case Fit

💎 Value Proposition

While current pricing data is unavailable, the Radeon 840M remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.

Performance Check

Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 7800X3D reference profile to minimize specific CPU bottlenecks.

Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.

Technical Specifications

Side-by-side comparison of Radeon 840M and Radeon R9 M485X

AMD

Radeon 840M

The Radeon 840M is manufactured by AMD. It was released in June 2 2024. It features the RDNA 3+ architecture. The boost clock speed is 2900 MHz. It has 256 shading units. The thermal design power (TDP) is 30W. Manufactured using 4 nm process technology. G3D Mark benchmark score: 3,803 points.

AMD

Radeon R9 M485X

The Radeon R9 M485X is manufactured by AMD. It was released in May 15 2016. It features the GCN 3.0 architecture. The core clock speed is 723 MHz. It has 2048 shading units. The thermal design power (TDP) is 250W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 3,801 points.

Graphics Performance

The Radeon 840M scores 3,803 and the Radeon R9 M485X reaches 3,801 in the G3D Mark benchmark — just a 0.1% difference, making them near-identical in rasterization performance. The Radeon 840M is built on RDNA 3+ while the Radeon R9 M485X uses GCN 3.0, both on 4 nm vs 28 nm. Shader units: 256 (Radeon 840M) vs 2,048 (Radeon R9 M485X).

FeatureRadeon 840MRadeon R9 M485X
G3D Mark Score
3,803
3,801
Architecture
RDNA 3+
GCN 3.0
Process Node
4 nm
28 nm
Shading Units
256
2048+700%

Advanced Features (DLSS/FSR)

FeatureRadeon 840MRadeon R9 M485X
Upscaling Tech
FSR 1.0 (Software)
FSR 1.0 (Software)
Frame Generation
Not Supported
Not Supported
Ray Reconstruction
No
No
Low Latency
AMD Anti-Lag
AMD Anti-Lag
💾

Video Memory (VRAM)

Both cards feature 2 GB of video memory. Bus width: System vs 128-bit.

FeatureRadeon 840MRadeon R9 M485X
VRAM Capacity
2 GB
2 GB
Memory Type
Shared
GDDR5
Memory Bandwidth
System
Unknown
Bus Width
System
128-bit
🖥️

Display & API Support

DirectX support: 12 Ultimate (12_2) (Radeon 840M) vs 12 (Radeon R9 M485X). Vulkan: 1.3 vs 1.2. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.

FeatureRadeon 840MRadeon R9 M485X
DirectX
12 Ultimate (12_2)
12
Vulkan
1.3+8%
1.2
OpenGL
4.6
4.6
Max Displays
4
4
🎬

Media & Encoding

Hardware encoder: VCN 4.0 (Radeon 840M) vs VCE 3.0 (Radeon R9 M485X). Decoder: VCN 4.0 vs UVD 6.0. Supported codecs: H.264,H.265,AV1,VP9 (Radeon 840M) vs H.264,HEVC,VP9 (Radeon R9 M485X).

FeatureRadeon 840MRadeon R9 M485X
Encoder
VCN 4.0
VCE 3.0
Decoder
VCN 4.0
UVD 6.0
Codecs
H.264,H.265,AV1,VP9
H.264,HEVC,VP9
🔌

Power & Dimensions

The Radeon 840M draws 30W versus the Radeon R9 M485X's 250W — a 157.1% difference. The Radeon 840M is more power-efficient. Recommended PSU: 350W (Radeon 840M) vs 350W (Radeon R9 M485X). Power connectors: PCIe-powered vs Mobile. Typical load temperature: 90 vs 80°C.

FeatureRadeon 840MRadeon R9 M485X
TDP
30W-88%
250W
Recommended PSU
350W
350W
Power Connector
PCIe-powered
Mobile
Slots
0
Temp (Load)
90
80°C-11%
Perf/Watt
126.8+734%
15.2
💰

Value Analysis

The Radeon 840M is the newer GPU (2024 vs 2016).

FeatureRadeon 840MRadeon R9 M485X
MSRP
$450
Avg Price (30d)
$150
Codename
Krackan Point
Amethyst
Release
June 2 2024
May 15 2016
Ranking
#516
#519