Radeon HD 6670 vs Radeon HD 7660G + HD 8670M Dual

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 HD 6670 vs Radeon HD 7660G + HD 8670M Dual 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 HD 6670 vs Radeon HD 7660G + HD 8670M Dual: 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 HD 6670

2010

Why buy it

✅5.0% more average FPS across 43 tracked games in our benchmark data.
✅Costs $51 less on MSRP ($99 MSRP vs $150 MSRP).
✅Delivers 54.5% more G3D Mark for each dollar spent, at 7.3 vs 4.7 G3D/$ ($99 MSRP vs $150 MSRP).
✅300% more VRAM for high-resolution textures and newer games (2 GB vs 512 MB).

Trade-offs

❌2010 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌400% higher power demand at 250W vs 50W.

Radeon HD 7660G + HD 8670M Dual

2013

Why buy it

✅Draws 50W instead of 250W, a 200W reduction.
✅More future proof: Unknown architecture on 28nm with a newer platform for upcoming games.

Trade-offs

❌Lower average FPS than Radeon HD 6670 across 43 tracked games in our benchmark data.
❌Less VRAM, with 512 MB vs 2 GB for high-resolution textures and newer games.
❌2013 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌
51.5% HIGHER MSRP
$150 MSRPvs$99 MSRP
❌Lower G3D Mark per dollar, at 4.7 vs 7.3 G3D/$ ($150 MSRP vs $99 MSRP).

Quick Answers

Which GPU is faster for gaming right now?

Radeon HD 6670 is the faster gaming card right now. In our data, it leads by 5.0% in average FPS across 43 tracked games in our benchmark data and by 2% in PassMark G3D (725 vs 711), so the answer here is pretty clean.

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

Radeon HD 6670 is the safer long-term pick for 2026 and beyond. The case is simple: 2 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?

Radeon HD 6670 makes the most sense to buy today. It is $51 cheaper on MSRP at $99 vs $150, and it leads G3D-per-dollar by 54.5% (7.3 vs 4.7), so the value case lines up with the gaming result.

Radeon HD 6670 vs Radeon HD 7660G + HD 8670M Dual Technical Specifications

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

Radeon HD 6670

The Radeon HD 6670 is manufactured by AMD. It was released in December 14 2010. It features the TeraScale 3 architecture. The boost clock speed is 880 MHz. It has 1536 shading units. The thermal design power (TDP) is 250W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 725 points. Launch price was $369.

Radeon HD 7660G + HD 8670M Dual

The Radeon HD 7660G + HD 8670M Dual is manufactured by AMD. It was released in August 1 2013. The core clock speed is 720 / 775 MHz. It has 768 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 711 points.

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Graphics Performance

The Radeon HD 6670 scores 725 and the Radeon HD 7660G + HD 8670M Dual reaches 711 in the G3D Mark benchmark — just a 2% difference, making them near-identical in rasterization performance. Shader units: 1,536 (Radeon HD 6670) vs 768 (Radeon HD 7660G + HD 8670M Dual).

Feature	Radeon HD 6670	Radeon HD 7660G + HD 8670M Dual
G3D Mark Score	725+2%	711
Process Node	40 nm	28 nm
Shading Units	1536+100%	768
Frame Generation	FSR upscaling	FSR upscaling

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Advanced Features (DLSS/FSR)

Feature	Radeon HD 6670	Radeon HD 7660G + HD 8670M Dual
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 HD 6670 has 2 GB of VRAM, while the Radeon HD 7660G + HD 8670M Dual carries 512 MB. Radeon HD 6670 gives you 300% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 128-bit on the Radeon HD 6670 and 128-bit on the Radeon HD 7660G + HD 8670M Dual.

Feature	Radeon HD 6670	Radeon HD 7660G + HD 8670M Dual
VRAM Capacity	2 GB+300%	0.5 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit	128-bit

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Display & API Support

DirectX support: 11.2 (11_0) (Radeon HD 6670) vs 11.2 (FL 11_0) (Radeon HD 7660G + HD 8670M Dual). OpenGL: 4.4 vs 4.4. Maximum simultaneous displays: 3 vs 4.

Feature	Radeon HD 6670	Radeon HD 7660G + HD 8670M Dual
DirectX	11.2 (11_0)	11.2 (FL 11_0)
OpenGL	4.4	4.4
Max Displays	3	4+33%

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Media & Encoding

Hardware encoder: None (Radeon HD 6670) vs VCE 1.0 (Radeon HD 7660G + HD 8670M Dual). Decoder: UVD 3.0 vs UVD 3.1. Supported codecs: H.264,VC-1,MPEG-2,MPEG-4 (Radeon HD 6670) vs H.264,VC-1,MPEG-2 (Radeon HD 7660G + HD 8670M Dual).

Feature	Radeon HD 6670	Radeon HD 7660G + HD 8670M Dual
Encoder	None	VCE 1.0
Decoder	UVD 3.0	UVD 3.1
Codecs	H.264,VC-1,MPEG-2,MPEG-4	H.264,VC-1,MPEG-2

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Power & Dimensions

The Radeon HD 6670 draws 250W versus the Radeon HD 7660G + HD 8670M Dual's 50W — a 133.3% difference. The Radeon HD 7660G + HD 8670M Dual is more power-efficient. Recommended PSU: 250W (Radeon HD 6670) vs 350W (Radeon HD 7660G + HD 8670M Dual). Power connectors: None vs 1x 6-pin.

Feature	Radeon HD 6670	Radeon HD 7660G + HD 8670M Dual
TDP	250W	50W-80%
Recommended PSU	250W-29%	350W
Power Connector	None	1x 6-pin
Length	168mm	—
Height	111mm	—
Slots	1	0-100%
Temp (Load)	75	—
Perf/Watt	2.9	14.2+390%

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Value Analysis

At launch, the Radeon HD 6670 came in at $99, while the Radeon HD 7660G + HD 8670M Dual launched at $150. On MSRP, Radeon HD 6670 was 34% cheaper ($51 less). Performance per dollar on MSRP (G3D Mark / MSRP): 7.3 (Radeon HD 6670) vs 4.7 (Radeon HD 7660G + HD 8670M Dual) — the Radeon HD 6670 offers 55.3% better value. The newer card here is Radeon HD 7660G + HD 8670M Dual (2013 vs 2010).

Feature	Radeon HD 6670	Radeon HD 7660G + HD 8670M Dual
MSRP	$99-34%	$150
Performance per Dollar	7.3+55%	4.7
Codename	Cayman	—
Release	December 14 2010	August 1 2013
Ranking	#596	#881

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