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 4870 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.

Mobility Radeon HD 4870 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.

Mobility Radeon HD 4870

2009

Why buy it

✅100% more VRAM for high-resolution textures and newer games (1 GB vs 512 MB).
✅Draws 30W instead of 50W, a 20W 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.
❌
99.3% HIGHER MSRP
$299 MSRPvs$150 MSRP
❌Lower G3D Mark per dollar, at 2.4 vs 4.7 G3D/$ ($299 MSRP vs $150 MSRP).

Radeon HD 7660G + HD 8670M Dual

2013

Why buy it

✅Costs $149 less on MSRP ($150 MSRP vs $299 MSRP).
✅Delivers 96.8% more G3D Mark for each dollar spent, at 4.7 vs 2.4 G3D/$ ($150 MSRP vs $299 MSRP).
✅More future proof: Unknown architecture 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.
❌2013 hardware with 512 MB 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.

Quick Answers

Which GPU is faster for gaming right now?

Mobility Radeon HD 4870 is the faster gaming card right now based on the synthetic data we have. It leads by 1.3% in PassMark G3D (720 vs 711), 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 4870 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?

Radeon HD 7660G + HD 8670M Dual makes the most sense to buy today. It is $149 cheaper on MSRP at $150 vs $299, and it leads G3D-per-dollar by 96.8% (4.7 vs 2.4), which is enough to swing the recommendation its way. If you are mainly targeting 1080p and some 1440p, Radeon HD 7660G + HD 8670M Dual is the easier value choice. If you care more about 1080p and some 1440p headroom, Mobility Radeon HD 4870 has the stronger long-term case.

Mobility Radeon HD 4870 vs Radeon HD 7660G + HD 8670M Dual Technical Specifications

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

Mobility Radeon HD 4870

The Mobility Radeon HD 4870 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: 720 points.

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.

⚡

Graphics Performance

The Mobility Radeon HD 4870 scores 720 and the Radeon HD 7660G + HD 8670M Dual reaches 711 in the G3D Mark benchmark — just a 1.3% difference, making them near-identical in rasterization performance. Shader units: 800 (Mobility Radeon HD 4870) vs 768 (Radeon HD 7660G + HD 8670M Dual).

Feature	Mobility Radeon HD 4870	Radeon HD 7660G + HD 8670M Dual
G3D Mark Score	720+1%	711
Process Node	55 nm	28 nm
Shading Units	800+4%	768
Frame Generation	FSR upscaling	FSR upscaling

✨

Advanced Features (DLSS/FSR)

Feature	Mobility Radeon HD 4870	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

💾

Video Memory (VRAM)

The Mobility Radeon HD 4870 has 1 GB of VRAM, while the Radeon HD 7660G + HD 8670M Dual carries 512 MB. Mobility Radeon HD 4870 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 4870 and 128-bit on the Radeon HD 7660G + HD 8670M Dual.

Feature	Mobility Radeon HD 4870	Radeon HD 7660G + HD 8670M Dual
VRAM Capacity	1 GB+100%	0.5 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	64-bit	128-bit+100%

🖥️

Display & API Support

DirectX support: 10.1 (Mobility Radeon HD 4870) vs 11.2 (FL 11_0) (Radeon HD 7660G + HD 8670M Dual). OpenGL: 3.3 vs 4.4. Maximum simultaneous displays: 2 vs 4.

Feature	Mobility Radeon HD 4870	Radeon HD 7660G + HD 8670M Dual
DirectX	10.1	11.2 (FL 11_0)+11%
OpenGL	3.3	4.4+33%
Max Displays	2	4+100%

🎬

Media & Encoding

Decoder: UVD 2.0 vs UVD 3.1. Supported codecs: H.264,VC-1,MPEG-2 (Mobility Radeon HD 4870) vs H.264,VC-1,MPEG-2 (Radeon HD 7660G + HD 8670M Dual).

Feature	Mobility Radeon HD 4870	Radeon HD 7660G + HD 8670M Dual
Encoder	—	VCE 1.0
Decoder	UVD 2.0	UVD 3.1
Codecs	H.264,VC-1,MPEG-2	H.264,VC-1,MPEG-2

🔌

Power & Dimensions

The Mobility Radeon HD 4870 draws 30W versus the Radeon HD 7660G + HD 8670M Dual's 50W — a 50% difference. The Mobility Radeon HD 4870 is more power-efficient. Recommended PSU: 350W (Mobility Radeon HD 4870) vs 350W (Radeon HD 7660G + HD 8670M Dual). Power connectors: PCIe-powered vs 1x 6-pin.

Feature	Mobility Radeon HD 4870	Radeon HD 7660G + HD 8670M Dual
TDP	30W-40%	50W
Recommended PSU	350W	350W
Power Connector	PCIe-powered	1x 6-pin
Slots	0	0
Perf/Watt	24.0+69%	14.2

💰

Value Analysis

At launch, the Mobility Radeon HD 4870 came in at $299, while the Radeon HD 7660G + HD 8670M Dual launched at $150. On MSRP, Radeon HD 7660G + HD 8670M Dual was 49.8% cheaper ($149 less). Performance per dollar on MSRP (G3D Mark / MSRP): 2.4 (Mobility Radeon HD 4870) vs 4.7 (Radeon HD 7660G + HD 8670M Dual) — the Radeon HD 7660G + HD 8670M Dual offers 95.8% better value. The newer card here is Radeon HD 7660G + HD 8670M Dual (2013 vs 2009).

Feature	Mobility Radeon HD 4870	Radeon HD 7660G + HD 8670M Dual
MSRP	$299	$150-50%
Performance per Dollar	2.4	4.7+96%
Codename	M98	—
Release	January 9 2009	August 1 2013
Ranking	#927	#881

Search Mobility Radeon HD 4870 on Amazon

Search Radeon HD 7660G + HD 8670M Dual on Amazon

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.