Mobility Radeon HD 3850 vs Radeon HD 7620G

AMD

Mobility Radeon HD 3850

2010Core: 700 MHz
Similar parts
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VS
AMD

Radeon HD 7620G

2012Core: 600 MHz
Similar parts
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Mobility Radeon HD 3850 vs Radeon HD 7620G 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.

Mobility Radeon HD 3850 vs Radeon HD 7620G: 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 3850

2010

Why buy it

  • Competitive enough if your priority is price, power, or specific feature preference.

Trade-offs

  • 2010 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
  • 200% HIGHER MSRP
    $150 MSRPvs$50 MSRP
  • Lower G3D Mark per dollar, at 2.4 vs 7.1 G3D/$ ($150 MSRP vs $50 MSRP).

Radeon HD 7620G

2012

Why buy it

  • Costs $100 less on MSRP ($50 MSRP vs $150 MSRP).
  • Delivers 192.6% more G3D Mark for each dollar spent, at 7.1 vs 2.4 G3D/$ ($50 MSRP vs $150 MSRP).
  • More future proof: TeraScale 2 (2009−2015) on 40nm with a newer platform for upcoming games.

Trade-offs

  • 2012 hardware with 512 MB 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?
Mobility Radeon HD 3850 is the faster gaming card right now based on the synthetic data we have. It leads by 2.5% in PassMark G3D (366 vs 357), 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 3850 is the safer long-term pick for 2026 and beyond because it comes out ahead on the available hardware-headroom signals for this matchup.
Which GPU is the better buy today?
Radeon HD 7620G makes the most sense to buy today. It is $100 cheaper on MSRP at $50 vs $150, and it leads G3D-per-dollar by 192.6% (7.1 vs 2.4), which is enough to swing the recommendation its way. If you are mainly targeting 1080p and some 1440p, Radeon HD 7620G is the easier value choice. If you care more about 1080p and some 1440p headroom, Mobility Radeon HD 3850 has the stronger long-term case.

Mobility Radeon HD 3850 vs Radeon HD 7620G Technical Specifications

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

AMD

Mobility Radeon HD 3850

The Mobility Radeon HD 3850 is manufactured by AMD. It was released in January 7 2010. It features the TeraScale 2 architecture. The core clock speed is 700 MHz. It has 800 shading units. The thermal design power (TDP) is 50W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 366 points.

AMD

Radeon HD 7620G

The Radeon HD 7620G is manufactured by AMD. It was released in January 5 2012. It features the TeraScale 2 architecture. The core clock speed is 600 MHz. It has 480 shading units. The thermal design power (TDP) is 45W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 357 points.

Graphics Performance

The Mobility Radeon HD 3850 scores 366 and the Radeon HD 7620G reaches 357 in the G3D Mark benchmark — just a 2.5% difference, making them near-identical in rasterization performance. The Mobility Radeon HD 3850 is built on TeraScale 2 while the Radeon HD 7620G uses TeraScale 2, both on a 40 nm process. Shader units: 800 (Mobility Radeon HD 3850) vs 480 (Radeon HD 7620G). Raw compute: 1.12 TFLOPS (Mobility Radeon HD 3850) vs 0.576 TFLOPS (Radeon HD 7620G).

FeatureMobility Radeon HD 3850Radeon HD 7620G
G3D Mark Score
366+3%
357
Architecture
TeraScale 2
TeraScale 2
Process Node
40 nm
40 nm
Shading Units
800+67%
480
Compute (TFLOPS)
1.12 TFLOPS+94%
0.576 TFLOPS
ROPs
16+100%
8
TMUs
40+67%
24
L1 Cache
80 KB+67%
48 KB
L2 Cache
256 KB
256 KB
Frame Generation
FSR upscaling
FSR upscaling

Advanced Features (DLSS/FSR)

FeatureMobility Radeon HD 3850Radeon HD 7620G
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)

Both cards ship with 512 MB of GDDR5. Memory bus width is 128-bit on the Mobility Radeon HD 3850 and 128-bit on the Radeon HD 7620G.

FeatureMobility Radeon HD 3850Radeon HD 7620G
VRAM Capacity
0.5 GB
0.5 GB
Memory Type
GDDR5
GDDR5
Memory Bandwidth
Unknown
Unknown
Bus Width
128-bit
128-bit
L2 Cache
256 KB
256 KB
🔌

Power & Dimensions

The Mobility Radeon HD 3850 draws 50W versus the Radeon HD 7620G's 45W — a 10.5% difference. The Radeon HD 7620G is more power-efficient. Recommended PSU: 350W (Mobility Radeon HD 3850) vs 350W (Radeon HD 7620G). Power connectors: PCIe-powered vs 1x 6-pin.

FeatureMobility Radeon HD 3850Radeon HD 7620G
TDP
50W
45W-10%
Recommended PSU
350W
350W
Power Connector
PCIe-powered
1x 6-pin
Length
1mm
Slots
0
Perf/Watt
7.3
7.9+8%
💰

Value Analysis

At launch, the Mobility Radeon HD 3850 came in at $150, while the Radeon HD 7620G launched at $50. On MSRP, Radeon HD 7620G was 66.7% cheaper ($100 less). Performance per dollar on MSRP (G3D Mark / MSRP): 2.4 (Mobility Radeon HD 3850) vs 7.1 (Radeon HD 7620G) — the Radeon HD 7620G offers 195.8% better value. The newer card here is Radeon HD 7620G (2012 vs 2010).

FeatureMobility Radeon HD 3850Radeon HD 7620G
MSRP
$150
$50-67%
Performance per Dollar
2.4
7.1+196%
Codename
Broadway
Turks
Release
January 7 2010
January 5 2012
Ranking
#846
#870

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