Radeon HD 8870M vs Radeon Vega 8 Ryzen 5 3580U

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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, raw graphics performance, VRAM, feature set, power efficiency, pricing context, and long-term value so you can see which GPU actually makes more sense.

Radeon HD 8870M

2013

Why buy it

✅100+% more VRAM for high-resolution textures and newer games (2 GB vs Unknown).

Trade-offs

❌Very weak future-proofing: 2013-era hardware with 2 GB of VRAM is already obsolete for modern gaming and is hard to recommend today.
❌233.3% higher power demand at 50W vs 15W.

Radeon Vega 8 Ryzen 5 3580U

2020

Why buy it

✅Draws 15W instead of 50W, a 35W reduction.
✅More future proof: Vega (2017−2020) on 7nm with a newer platform for upcoming games.

Trade-offs

❌Less VRAM, with Unknown vs 2 GB for high-resolution textures and newer games.
❌Very weak future-proofing: 2020-era hardware with Unknown of VRAM is already obsolete for modern gaming and is hard to recommend today.

Radeon HD 8870M

2013

Radeon Vega 8 Ryzen 5 3580U

2020

Why buy it

✅100+% more VRAM for high-resolution textures and newer games (2 GB vs Unknown).

Why buy it

✅Draws 15W instead of 50W, a 35W reduction.
✅More future proof: Vega (2017−2020) on 7nm with a newer platform for upcoming games.

Trade-offs

❌Very weak future-proofing: 2013-era hardware with 2 GB of VRAM is already obsolete for modern gaming and is hard to recommend today.
❌233.3% higher power demand at 50W vs 15W.

Trade-offs

❌Less VRAM, with Unknown vs 2 GB for high-resolution textures and newer games.
❌Very weak future-proofing: 2020-era hardware with Unknown of VRAM is already obsolete for modern gaming and is hard to recommend today.

Quick Answers

So, is Radeon HD 8870M better than Radeon Vega 8 Ryzen 5 3580U?

Yes, but this is not really about a huge raw performance gap. The broader synthetic picture is also very close at 1,638 vs 1,621 in G3D Mark. The bigger reason to prefer Radeon HD 8870M is the overall package: you are getting FSR upscaling.

Which one is more future-proof for 2026 and beyond?

Radeon HD 8870M is the more future-proof choice for 2026 and beyond. You are getting more VRAM at 2 GB instead of Unknown. That extra memory headroom makes it the safer pick for newer games, heavier textures, and higher settings over time.

Which one is the smarter buy today, not just the cheaper card?

Radeon HD 8870M can still make sense if you find it at the right price, especially around Unknown MSRP. Radeon HD 8870M is still the smarter buy for most people, though, because the raw performance is close while the overall package is cleaner. Radeon HD 8870M is priced in an unclear MSRP range at an unclear MSRP versus an unclear MSRP, and you are getting 1.0% higher G3D Mark. Radeon Vega 8 Ryzen 5 3580U is the newer 2020 card, so it still has a real case if you care more about newer architecture and lower power draw (15W vs 50W) than about squeezing out the strongest gaming value today.

When does Radeon Vega 8 Ryzen 5 3580U make more sense than Radeon HD 8870M?

Yes. Radeon Vega 8 Ryzen 5 3580U is still an excellent gaming GPU in 2026: it is still fine for 1080p, but 1440p and especially 4K require more compromise. It makes more sense if your priority is newer architecture, lower power draw (15W vs 50W), and staying closer to an unclear MSRP more than squeezing out the extra headroom of Radeon HD 8870M. The trade-off is that Radeon HD 8870M currently gives you 1.0% higher G3D Mark. G3D-per-dollar is basically tied between them.

Games Benchmarks

Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 9800X3D reference profile to minimize specific CPU bottlenecks.

Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.

Radeon HD 8870M Benchmark Check

Radeon Vega 8 Ryzen 5 3580U Benchmark Check

Path of Exile 2

Preset	Radeon HD 8870M	Radeon Vega 8 Ryzen 5 3580U
1080p
low	22 FPS	73 FPS
medium	13 FPS	58 FPS
high	8 FPS	49 FPS
ultra	4 FPS	36 FPS
1440p
low	10 FPS	55 FPS
medium	5 FPS	44 FPS
high	3 FPS	36 FPS
ultra	1 FPS	27 FPS
4K
low	4 FPS	27 FPS
medium	2 FPS	25 FPS
high	1 FPS	17 FPS
ultra	1 FPS	15 FPS

Open Radeon HD 8870M Open Radeon Vega 8 Ryzen 5 3580U

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Radeon HD 8870M	Radeon Vega 8 Ryzen 5 3580U
1080p
low	69 FPS	73 FPS
medium	46 FPS	58 FPS
high	32 FPS	49 FPS
ultra	24 FPS	36 FPS
1440p
low	50 FPS	55 FPS
medium	29 FPS	44 FPS
high	21 FPS	36 FPS
ultra	16 FPS	26 FPS
4K
low	25 FPS	36 FPS
medium	16 FPS	25 FPS
high	12 FPS	20 FPS
ultra	8 FPS	14 FPS

Open Radeon HD 8870M Open Radeon Vega 8 Ryzen 5 3580U

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Radeon HD 8870M	Radeon Vega 8 Ryzen 5 3580U
1080p
low	74 FPS	73 FPS
medium	59 FPS	58 FPS
high	49 FPS	49 FPS
ultra	37 FPS	36 FPS
1440p
low	55 FPS	55 FPS
medium	44 FPS	44 FPS
high	37 FPS	36 FPS
ultra	28 FPS	27 FPS
4K
low	37 FPS	36 FPS
medium	29 FPS	29 FPS
high	25 FPS	24 FPS
ultra	18 FPS	18 FPS

Open Radeon HD 8870M Open Radeon Vega 8 Ryzen 5 3580U

League of Legends

League of Legends

Valorant

Preset	Radeon HD 8870M	Radeon Vega 8 Ryzen 5 3580U
1080p
low	74 FPS	73 FPS
medium	59 FPS	58 FPS
high	49 FPS	49 FPS
ultra	37 FPS	36 FPS
1440p
low	55 FPS	55 FPS
medium	44 FPS	44 FPS
high	37 FPS	36 FPS
ultra	27 FPS	27 FPS
4K
low	35 FPS	36 FPS
medium	25 FPS	29 FPS
high	20 FPS	24 FPS
ultra	14 FPS	18 FPS

Open Radeon HD 8870M Open Radeon Vega 8 Ryzen 5 3580U

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Radeon HD 8870M and Radeon Vega 8 Ryzen 5 3580U

Radeon HD 8870M

The Radeon HD 8870M is manufactured by AMD. It was released in April 1 2013. It features the GCN 1.0 architecture. The core clock ranges from 725 MHz to 775 MHz. It has 640 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,638 points.

Radeon Vega 8 Ryzen 5 3580U

The Radeon Vega 8 Ryzen 5 3580U is manufactured by AMD. It was released in January 7 2020. It features the Vega architecture. The boost clock speed is 2100 MHz. It has 512 shading units. The thermal design power (TDP) is 15W. Manufactured using 7 nm process technology. G3D Mark benchmark score: 1,621 points.

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Graphics Performance

The Radeon HD 8870M scores 1,638 and the Radeon Vega 8 Ryzen 5 3580U reaches 1,621 in the G3D Mark benchmark — just a 1% difference, making them near-identical in rasterization performance. The Radeon HD 8870M is built on GCN 1.0 while the Radeon Vega 8 Ryzen 5 3580U uses Vega, both on 28 nm vs 7 nm. Shader units: 640 (Radeon HD 8870M) vs 512 (Radeon Vega 8 Ryzen 5 3580U). Boost clocks: 775 MHz vs 2100 MHz.

Feature	Radeon HD 8870M	Radeon Vega 8 Ryzen 5 3580U
G3D Mark Score	1,638+1%	1,621
Architecture	GCN 1.0	Vega
Process Node	28 nm	7 nm
Shading Units	640+25%	512
Boost Clock	775 MHz	2100 MHz+171%
Frame Generation	FSR upscaling	FSR upscaling

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Advanced Features (DLSS/FSR)

Feature	Radeon HD 8870M	Radeon Vega 8 Ryzen 5 3580U
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 8870M comes with 2 GB of VRAM, while the Radeon Vega 8 Ryzen 5 3580U has 0 MB. The Radeon HD 8870M offers 100+% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: System vs System.

Feature	Radeon HD 8870M	Radeon Vega 8 Ryzen 5 3580U
VRAM Capacity	2 GB	Shared System RAM
Memory Type	Shared	Shared
Memory Bandwidth	System	System
Bus Width	System	System

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Display & API Support

DirectX support: 11.1 (Radeon HD 8870M) vs 12 (FL 12_1) (Radeon Vega 8 Ryzen 5 3580U). OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.

Feature	Radeon HD 8870M	Radeon Vega 8 Ryzen 5 3580U
DirectX	11.1	12 (FL 12_1)+8%
OpenGL	4.6	4.6
Max Displays	4	4

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Media & Encoding

Hardware encoder: VCE 1.0 (Radeon HD 8870M) vs VCN 1.0 (Radeon Vega 8 Ryzen 5 3580U). Decoder: UVD 3.0 vs VCN 1.0. Supported codecs: H.264,MPEG-2,VC-1,MVC (Radeon HD 8870M) vs H.264,H.265/HEVC (Radeon Vega 8 Ryzen 5 3580U).

Feature	Radeon HD 8870M	Radeon Vega 8 Ryzen 5 3580U
Encoder	VCE 1.0	VCN 1.0
Decoder	UVD 3.0	VCN 1.0
Codecs	H.264,MPEG-2,VC-1,MVC	H.264,H.265/HEVC

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Power & Dimensions

The Radeon HD 8870M draws 50W versus the Radeon Vega 8 Ryzen 5 3580U's 15W — a 107.7% difference. The Radeon Vega 8 Ryzen 5 3580U is more power-efficient. Recommended PSU: 350W (Radeon HD 8870M) vs 1W (Radeon Vega 8 Ryzen 5 3580U). Power connectors: 1x 6-pin vs Integrated.