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.

Mobility Radeon HD 4830 vs Radeon R5 M420 FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.

Search any supported game below to compare 1080p FPS for both components.

Mobility Radeon HD 4830 vs Radeon R5 M420: Pros, Cons & Final Verdict

See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.

Mobility Radeon HD 4830

2009

Why buy it

✅Costs $170 less on MSRP ($130 MSRP vs $300 MSRP).
✅Delivers 134.4% more G3D Mark for each dollar spent, at 3.9 vs 1.7 G3D/$ ($130 MSRP vs $300 MSRP).
✅100% more VRAM for high-resolution textures and newer games (1 GB vs 512 MB).
✅Draws 30W instead of 75W, a 45W reduction.

Trade-offs

❌2009 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

Radeon R5 M420

2016

Why buy it

✅More future proof: GCN 2.0 (2013−2017) on 28nm with a newer platform for upcoming games.

Trade-offs

❌Less VRAM, with 512 MB vs 1 GB for high-resolution textures and newer games.
❌2016 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌
130.8% HIGHER MSRP
$300 MSRPvs$130 MSRP
❌Lower G3D Mark per dollar, at 1.7 vs 3.9 G3D/$ ($300 MSRP vs $130 MSRP).
❌150% higher power demand at 75W vs 30W.

Quick Answers

Which GPU is faster for gaming right now?

Mobility Radeon HD 4830 is the faster gaming card right now based on the synthetic data we have. It leads by 1.6% in PassMark G3D (512 vs 504), which is the best performance signal available in this matchup.

Which GPU is the safer long-term pick for 2026 and beyond?

Mobility Radeon HD 4830 is the safer long-term pick for 2026 and beyond. The case is simple: 1 GB vs 512 MB of VRAM. That gives it more room for heavier textures and higher settings over time.

Which GPU is the better buy today?

Mobility Radeon HD 4830 makes the most sense to buy today. It is $170 cheaper on MSRP at $130 vs $300, and it leads G3D-per-dollar by 134.4% (3.9 vs 1.7), so the value case lines up with the gaming result.

Mobility Radeon HD 4830 vs Radeon R5 M420 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Mobility Radeon HD 4830

The Mobility Radeon HD 4830 is manufactured by AMD. It was released in January 9 2009. It features the TeraScale architecture. The core clock speed is 550 MHz. It has 800 shading units. The thermal design power (TDP) is 30W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 512 points.

Radeon R5 M420

The Radeon R5 M420 is manufactured by AMD. It was released in May 15 2016. It features the GCN 2.0 architecture. The core clock ranges from 900 MHz to 1000 MHz. It has 768 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 504 points.

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Graphics Performance

The Mobility Radeon HD 4830 scores 512 and the Radeon R5 M420 reaches 504 in the G3D Mark benchmark — just a 1.6% difference, making them near-identical in rasterization performance. The Mobility Radeon HD 4830 is built on TeraScale while the Radeon R5 M420 uses GCN 2.0, both on 55 nm vs 28 nm. Shader units: 800 (Mobility Radeon HD 4830) vs 768 (Radeon R5 M420). Raw compute: 0.88 TFLOPS (Mobility Radeon HD 4830) vs 1.536 TFLOPS (Radeon R5 M420).

Feature	Mobility Radeon HD 4830	Radeon R5 M420
G3D Mark Score	512+2%	504
Architecture	TeraScale	GCN 2.0
Process Node	55 nm	28 nm
Shading Units	800+4%	768
Compute (TFLOPS)	0.88 TFLOPS	1.536 TFLOPS+75%
ROPs	16	16
TMUs	40	48+20%
L1 Cache	160 KB	192 KB+20%
L2 Cache	256 KB	256 KB
Frame Generation	FSR upscaling	FSR upscaling

✨

Advanced Features (DLSS/FSR)

Feature	Mobility Radeon HD 4830	Radeon R5 M420
Upscaling Tech	FSR Upscaling / FSR 4	FSR Upscaling / FSR 4
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	AMD Anti-Lag	AMD Anti-Lag

💾

Video Memory (VRAM)

The Mobility Radeon HD 4830 has 1 GB of VRAM, while the Radeon R5 M420 carries 512 MB. Mobility Radeon HD 4830 gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 64-bit on the Mobility Radeon HD 4830 and 128-bit on the Radeon R5 M420.

Feature	Mobility Radeon HD 4830	Radeon R5 M420
VRAM Capacity	1 GB+100%	0.5 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	64-bit	128-bit+100%
L2 Cache	256 KB	256 KB

🖥️

Display & API Support

DirectX support: 10.1 (Mobility Radeon HD 4830) vs 12 (11_1) (Radeon R5 M420). OpenGL: 3.3 vs 4.6. Maximum simultaneous displays: 2 vs 2.

Feature	Mobility Radeon HD 4830	Radeon R5 M420
DirectX	10.1	12 (11_1)+19%
OpenGL	3.3	4.6+39%
Max Displays	2	2

🎬

Media & Encoding

Hardware encoder: Avivo HD (Mobility Radeon HD 4830) vs VCE 1.0 (Radeon R5 M420). Decoder: UVD 2 vs UVD 4.0. Supported codecs: H.264,MPEG-2,VC-1 (Mobility Radeon HD 4830) vs H.264,MPEG-4,VC-1,MPEG-2 (Radeon R5 M420).

Feature	Mobility Radeon HD 4830	Radeon R5 M420
Encoder	Avivo HD	VCE 1.0
Decoder	UVD 2	UVD 4.0
Codecs	H.264,MPEG-2,VC-1	H.264,MPEG-4,VC-1,MPEG-2

🔌

Power & Dimensions

The Mobility Radeon HD 4830 draws 30W versus the Radeon R5 M420's 75W — a 85.7% difference. The Mobility Radeon HD 4830 is more power-efficient. Recommended PSU: 350W (Mobility Radeon HD 4830) vs 350W (Radeon R5 M420). Power connectors: PCIe-powered vs Mobile. Typical load temperature: 85°C vs 80.

Feature	Mobility Radeon HD 4830	Radeon R5 M420
TDP	30W-60%	75W
Recommended PSU	350W	350W
Power Connector	PCIe-powered	Mobile
Length	—	0mm
Height	—	0mm
Slots	1	0-100%
Temp (Load)	85°C	80-6%
Perf/Watt	17.1+155%	6.7

💰

Value Analysis

At launch, the Mobility Radeon HD 4830 came in at $130, while the Radeon R5 M420 launched at $300. On MSRP, Mobility Radeon HD 4830 was 56.7% cheaper ($170 less). Performance per dollar on MSRP (G3D Mark / MSRP): 3.9 (Mobility Radeon HD 4830) vs 1.7 (Radeon R5 M420) — the Mobility Radeon HD 4830 offers 129.4% better value. The newer card here is Radeon R5 M420 (2016 vs 2009).

Feature	Mobility Radeon HD 4830	Radeon R5 M420
MSRP	$130-57%	$300
Performance per Dollar	3.9+129%	1.7
Codename	M98	Emerald
Release	January 9 2009	May 15 2016
Ranking	#927	#649

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