Radeon HD 6900M vs Radeon RX Vega 9

AMD

Radeon HD 6900M

2011Core: 680 MHz
Similar parts
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VS
AMD

Radeon RX Vega 9

2017Boost: 1300 MHz
Similar parts
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Radeon HD 6900M vs Radeon RX Vega 9 Performance Spectrum

About G3D Mark

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 6900M vs Radeon RX Vega 9 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 6900M vs Radeon RX Vega 9: 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 6900M

2011

Why buy it

  • 100+% more VRAM for high-resolution textures and newer games (512 MB vs Unknown).
  • Radeon RX Vega 9 is already obsolete for modern gaming, so Radeon HD 6900M is the less risky modern option long term.

Trade-offs

  • Lower average FPS than Radeon RX Vega 9 across 50 tracked games in our benchmark data.
  • 2011 hardware with 512 MB 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 16.8 G3D/$ (Unknown MSRP vs $99 MSRP).
  • 400% higher power demand at 75W vs 15W.

Radeon RX Vega 9

2017

Why buy it

  • 22.1% more average FPS across 50 tracked games in our benchmark data.
  • Delivers 100+% more G3D Mark for each dollar spent, at 16.8 vs 0 G3D/$ ($99 MSRP vs Unknown MSRP).
  • Draws 15W instead of 75W, a 60W reduction.

Trade-offs

  • Less VRAM, with Unknown vs 512 MB for high-resolution textures and newer games.
  • 2017 hardware with Unknown 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 RX Vega 9 is the faster gaming card right now. In our data, it leads by 22.1% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward Radeon HD 6900M instead at 1,707 vs 1,661, 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 6900M 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 RX Vega 9 makes the most sense today based on the pricing and value data we have for this matchup. If you are mainly targeting 1080p, Radeon RX Vega 9 is the easier value choice. If you care more about 1080p and some 1440p headroom, Radeon HD 6900M has the stronger long-term case.

Radeon HD 6900M vs Radeon RX Vega 9 Technical Specifications

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

AMD

Radeon HD 6900M

The Radeon HD 6900M is manufactured by AMD. It was released in January 4 2011. It features the TeraScale 2 architecture. The core clock speed is 680 MHz. It has 960 shading units. The thermal design power (TDP) is 75W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 1,707 points.

AMD

Radeon RX Vega 9

The Radeon RX Vega 9 is manufactured by AMD. It was released in October 26 2017. It features the Vega architecture. The boost clock speed is 1300 MHz. It has 576 shading units. The thermal design power (TDP) is 15W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 1,661 points.

Graphics Performance

The Radeon HD 6900M scores 1,707 and the Radeon RX Vega 9 reaches 1,661 in the G3D Mark benchmark — just a 2.8% difference, making them near-identical in rasterization performance. The Radeon HD 6900M is built on TeraScale 2 while the Radeon RX Vega 9 uses Vega, both on 40 nm vs 14 nm. Shader units: 960 (Radeon HD 6900M) vs 576 (Radeon RX Vega 9).

FeatureRadeon HD 6900MRadeon RX Vega 9
G3D Mark Score
1,707+3%
1,661
Architecture
TeraScale 2
Vega
Process Node
40 nm
14 nm
Shading Units
960+67%
576
Frame Generation
FSR upscaling
FSR upscaling

Advanced Features (DLSS/FSR)

FeatureRadeon HD 6900MRadeon RX Vega 9
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 6900M has 512 MB of VRAM, while the Radeon RX Vega 9 carries 0 MB. Radeon HD 6900M gives you 100+% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is System on the Radeon HD 6900M and System on the Radeon RX Vega 9.

FeatureRadeon HD 6900MRadeon RX Vega 9
VRAM Capacity
0.5 GB
Shared System RAM
Memory Type
Shared
Shared
Memory Bandwidth
System
System
Bus Width
System
System
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Power & Dimensions

The Radeon HD 6900M draws 75W versus the Radeon RX Vega 9's 15W — a 133.3% difference. The Radeon RX Vega 9 is more power-efficient. Recommended PSU: 350W (Radeon HD 6900M) vs 1W (Radeon RX Vega 9). Power connectors: 1x 6-pin vs Integrated.

FeatureRadeon HD 6900MRadeon RX Vega 9
TDP
75W
15W-80%
Recommended PSU
350W
1W-100%
Power Connector
1x 6-pin
Integrated
Perf/Watt
22.8
110.7+386%
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Value Analysis

The newer card here is Radeon RX Vega 9 (2017 vs 2011).

FeatureRadeon HD 6900MRadeon RX Vega 9
MSRP
$99
Codename
Blackcomb
Vega Raven Ridge
Release
January 4 2011
October 26 2017
Ranking
#654
#670

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