Radeon HD 7640G + HD 8670M Dual vs Radeon RX Vega 3

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 7640G + HD 8670M Dual vs Radeon RX Vega 3 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 7640G + HD 8670M Dual vs Radeon RX Vega 3: 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 7640G + HD 8670M Dual

2013

Why buy it

✅31.6% more average FPS across 50 tracked games in our benchmark data.
✅Delivers 100+% more G3D Mark for each dollar spent, at 4.5 vs 0 G3D/$ ($150 MSRP vs Unknown MSRP).
✅100+% more VRAM for high-resolution textures and newer games (512 MB vs Unknown).
✅Radeon RX Vega 3 is already obsolete for modern gaming, so Radeon HD 7640G + HD 8670M Dual is the less risky modern option long term.

Trade-offs

❌2013 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌233.3% higher power demand at 50W vs 15W.

Radeon RX Vega 3

2019

Why buy it

✅Draws 15W instead of 50W, a 35W reduction.
✅More future proof: GCN 5.0 (2017−2020) on 14nm with a newer platform for upcoming games.

Trade-offs

❌Lower average FPS than Radeon HD 7640G + HD 8670M Dual 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.
❌Lower G3D Mark per dollar, at 0 vs 4.5 G3D/$ (Unknown MSRP vs $150 MSRP).

Quick Answers

Which GPU is faster for gaming right now?

Radeon HD 7640G + HD 8670M Dual is the faster gaming card right now. In our data, it leads by 31.6% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward Radeon RX Vega 3 instead at 684 vs 677, 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 HD 7640G + HD 8670M Dual 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 HD 7640G + HD 8670M Dual makes the most sense today based on the pricing and value data we have for this matchup.

Radeon HD 7640G + HD 8670M Dual vs Radeon RX Vega 3 Technical Specifications

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

Radeon HD 7640G + HD 8670M Dual

The Radeon HD 7640G + 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: 677 points.

Radeon RX Vega 3

The Radeon RX Vega 3 is manufactured by AMD. It was released in January 6 2019. It features the GCN 5.0 architecture. The core clock ranges from 300 MHz to 1001 MHz. It has 192 shading units. The thermal design power (TDP) is 15W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 684 points.

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Graphics Performance

The Radeon HD 7640G + HD 8670M Dual scores 677 and the Radeon RX Vega 3 reaches 684 in the G3D Mark benchmark — just a 1% difference, making them near-identical in rasterization performance. Shader units: 768 (Radeon HD 7640G + HD 8670M Dual) vs 192 (Radeon RX Vega 3).

Feature	Radeon HD 7640G + HD 8670M Dual	Radeon RX Vega 3
G3D Mark Score	677	684+1%
Process Node	28 nm	14 nm
Shading Units	768+300%	192
Frame Generation	FSR upscaling	FSR upscaling

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Advanced Features (DLSS/FSR)

Feature	Radeon HD 7640G + HD 8670M Dual	Radeon RX Vega 3
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 7640G + HD 8670M Dual has 512 MB of VRAM, while the Radeon RX Vega 3 carries 0 MB. Radeon HD 7640G + HD 8670M Dual gives you 100+% 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 7640G + HD 8670M Dual and System on the Radeon RX Vega 3.

Feature	Radeon HD 7640G + HD 8670M Dual	Radeon RX Vega 3
VRAM Capacity	0.5 GB	Shared System RAM
Memory Type	GDDR5	Shared
Memory Bandwidth	Unknown	System
Bus Width	128-bit	System

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Power & Dimensions

The Radeon HD 7640G + HD 8670M Dual draws 50W versus the Radeon RX Vega 3's 15W — a 107.7% difference. The Radeon RX Vega 3 is more power-efficient. Recommended PSU: 350W (Radeon HD 7640G + HD 8670M Dual) vs 1W (Radeon RX Vega 3). Power connectors: 1x 6-pin vs Integrated.

Feature	Radeon HD 7640G + HD 8670M Dual	Radeon RX Vega 3
TDP	50W	15W-70%
Recommended PSU	350W	1W-100%
Power Connector	1x 6-pin	Integrated
Length	—	0mm
Height	—	0mm
Slots	—	0
Temp (Load)	—	75
Perf/Watt	13.5	45.6+238%

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Value Analysis

At launch, the Radeon HD 7640G + HD 8670M Dual came in at $150, while the Radeon RX Vega 3 launched at $0. On MSRP, Radeon RX Vega 3 was 100+% cheaper ($150 less). Performance per dollar on MSRP (G3D Mark / MSRP): 4.5 (Radeon HD 7640G + HD 8670M Dual) vs Infinity (Radeon RX Vega 3) — the Radeon RX Vega 3 offers Infinity% better value. The newer card here is Radeon RX Vega 3 (2019 vs 2013).

Feature	Radeon HD 7640G + HD 8670M Dual	Radeon RX Vega 3
MSRP	$150	$0-100%
Performance per Dollar	4.5	Infinity
Codename	—	Picasso
Release	August 1 2013	January 6 2019
Ranking	#881	#845

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