Radeon R6 vs Radeon R6 M255DX

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.

Radeon R6 vs Radeon R6 M255DX 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.

Radeon R6 vs Radeon R6 M255DX: Pros, Cons & Final Verdict

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

Radeon R6

2019

Why buy it

✅More future proof: GCN 4.0 (2016−2020) on 14nm with a newer platform for upcoming games.

Trade-offs

❌Lower average FPS than Radeon R6 M255DX across 50 tracked games in our benchmark data.
❌Less VRAM, with Unknown vs 512 MB for high-resolution textures and newer games.
❌2019 hardware with Unknown of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌66.7% higher power demand at 50W vs 30W.

Radeon R6 M255DX

2014

Why buy it

✅30.6% more average FPS across 50 tracked games in our benchmark data.
✅100+% more VRAM for high-resolution textures and newer games (512 MB vs Unknown).
✅Radeon R6 is already obsolete for modern gaming, so Radeon R6 M255DX is the less risky modern option long term.
✅Draws 30W instead of 50W, a 20W reduction.

Trade-offs

❌2014 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

Quick Answers

Which GPU is faster for gaming right now?

Radeon R6 M255DX is the faster gaming card right now. In our data, it leads by 30.6% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward Radeon R6 instead at 612 vs 605, so for this question the real-game FPS result matters more than the synthetic split.

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

Radeon R6 M255DX is the safer long-term pick for 2026 and beyond. The case is simple: 512 MB vs Unknown of VRAM. That gives it more room for heavier textures and higher settings over time.

Which GPU is the better buy today?

Radeon R6 makes the most sense today based on the pricing and value data we have for this matchup. If you are mainly targeting 1080p, Radeon R6 is the easier value choice. If you care more about 1080p and some 1440p headroom, Radeon R6 M255DX has the stronger long-term case.

Radeon R6 vs Radeon R6 M255DX Technical Specifications

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

Radeon R6

The Radeon R6 is manufactured by AMD. It was released in May 13 2019. It features the GCN 4.0 architecture. The core clock ranges from 1082 MHz to 1218 MHz. It has 512 shading units. The thermal design power (TDP) is 50W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 612 points.

Radeon R6 M255DX

The Radeon R6 M255DX is manufactured by AMD. It was released in June 4 2014. It features the GCN architecture. It has 896 shading units. The thermal design power (TDP) is 30W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 605 points.

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Graphics Performance

The Radeon R6 scores 612 and the Radeon R6 M255DX reaches 605 in the G3D Mark benchmark — just a 1.2% difference, making them near-identical in rasterization performance. The Radeon R6 is built on GCN 4.0 while the Radeon R6 M255DX uses GCN, both on 14 nm vs 28 nm. Shader units: 512 (Radeon R6) vs 896 (Radeon R6 M255DX).

Feature	Radeon R6	Radeon R6 M255DX
G3D Mark Score	612+1%	605
Architecture	GCN 4.0	GCN
Process Node	14 nm	28 nm
Shading Units	512	896+75%
Frame Generation	FSR upscaling	FSR upscaling

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Advanced Features (DLSS/FSR)

Feature	Radeon R6	Radeon R6 M255DX
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

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Video Memory (VRAM)

The Radeon R6 has 0 MB of VRAM, while the Radeon R6 M255DX carries 512 MB. Radeon R6 M255DX 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 Radeon R6 and 64-bit on the Radeon R6 M255DX.

Feature	Radeon R6	Radeon R6 M255DX
VRAM Capacity	0 GB	0.5 GB
Memory Type	GDDR5	GDDR5
Bus Width	64-bit	64-bit

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Display & API Support

DirectX support: 12 (12_0) (Radeon R6) vs 12_0 (Radeon R6 M255DX). Maximum simultaneous displays: 4 vs 0.

Feature	Radeon R6	Radeon R6 M255DX
DirectX	12 (12_0)	12_0
Max Displays	4	0

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Media & Encoding

Hardware encoder: VCE 2.0 (Radeon R6) vs VCE 2.0 (Radeon R6 M255DX). Decoder: UVD 4.2 vs UVD 4.2.

Feature	Radeon R6	Radeon R6 M255DX
Encoder	VCE 2.0	VCE 2.0
Decoder	UVD 4.2	UVD 4.2
Codecs	H.264,VC-1,MPEG-2,DivX	—

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Power & Dimensions

The Radeon R6 draws 50W versus the Radeon R6 M255DX's 30W — a 50% difference. The Radeon R6 M255DX is more power-efficient. Recommended PSU: 350W (Radeon R6) vs 350W (Radeon R6 M255DX). Power connectors: PCIe-powered vs PCIe-powered.

Feature	Radeon R6	Radeon R6 M255DX
TDP	50W	30W-40%
Recommended PSU	350W	350W
Power Connector	PCIe-powered	PCIe-powered
Length	—	1mm
Slots	0	0
Temp (Load)	65°C	—
Perf/Watt	12.2	20.2+66%

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Value Analysis

At launch, the Radeon R6 came in at $0, while the Radeon R6 M255DX launched at $0. Performance per dollar on MSRP (G3D Mark / MSRP): Infinity (Radeon R6) vs Infinity (Radeon R6 M255DX) — the Radeon R6 M255DX offers NaN% better value. The newer card here is Radeon R6 (2019 vs 2014).

Feature	Radeon R6	Radeon R6 M255DX
MSRP	$0	$0
Performance per Dollar	Infinity	Infinity
Codename	Polaris 23	—
Release	May 13 2019	June 4 2014
Ranking	#757	#800

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