Mobility Radeon HD 3450 vs Mobility Radeon HD 4270

AMD

Mobility Radeon HD 3450

2010Core: 700 MHz
Similar parts
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VS
AMD

Mobility Radeon HD 4270

2009Core: 550 MHz
Similar parts
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Mobility Radeon HD 3450 vs Mobility Radeon HD 4270 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 3450 vs Mobility Radeon HD 4270: 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 3450

2010

Why buy it

  • More future proof: TeraScale 2 (2009−2015) on 40nm with a newer platform for upcoming games.

Trade-offs

  • Less VRAM, with 256 MB vs 512 MB for high-resolution textures and newer games.
  • 2010 hardware with 256 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
  • 104.1% HIGHER MSRP
    $100 MSRPvs$49 MSRP
  • Lower G3D Mark per dollar, at 0.9 vs 1.9 G3D/$ ($100 MSRP vs $49 MSRP).
  • 66.7% higher power demand at 50W vs 30W.

Mobility Radeon HD 4270

2009

Why buy it

  • Costs $51 less on MSRP ($49 MSRP vs $100 MSRP).
  • Delivers 108.6% more G3D Mark for each dollar spent, at 1.9 vs 0.9 G3D/$ ($49 MSRP vs $100 MSRP).
  • 100% more VRAM for high-resolution textures and newer games (512 MB vs 256 MB).
  • Draws 30W instead of 50W, a 20W reduction.

Trade-offs

  • 2009 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 4270 is the faster gaming card right now based on the synthetic data we have. It leads by 2.2% in PassMark G3D (93 vs 91), 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 3450 is the safer long-term pick for 2026 and beyond. The case is simple: a 40nm process instead of 55nm and a newer 2010 generation instead of 2009. That makes it the less risky pick as game demands keep moving.
Which GPU is the better buy today?
Mobility Radeon HD 4270 makes the most sense to buy today. It is $51 cheaper on MSRP at $49 vs $100, and it leads G3D-per-dollar by 108.6% (1.9 vs 0.9), so the value case lines up with the gaming result. If you are mainly targeting 1080p and some 1440p, Mobility Radeon HD 4270 is the easier value choice. If you care more about 1080p and some 1440p headroom, Mobility Radeon HD 3450 has the stronger long-term case.

Mobility Radeon HD 3450 vs Mobility Radeon HD 4270 Technical Specifications

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

AMD

Mobility Radeon HD 3450

The Mobility Radeon HD 3450 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: 91 points.

AMD

Mobility Radeon HD 4270

The Mobility Radeon HD 4270 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: 93 points.

Graphics Performance

The Mobility Radeon HD 3450 scores 91 and the Mobility Radeon HD 4270 reaches 93 in the G3D Mark benchmark — just a 2.2% difference, making them near-identical in rasterization performance. The Mobility Radeon HD 3450 is built on TeraScale 2 while the Mobility Radeon HD 4270 uses TeraScale, both on 40 nm vs 55 nm. Shader units: 800 (Mobility Radeon HD 3450) vs 800 (Mobility Radeon HD 4270). Raw compute: 1.12 TFLOPS (Mobility Radeon HD 3450) vs 0.88 TFLOPS (Mobility Radeon HD 4270).

FeatureMobility Radeon HD 3450Mobility Radeon HD 4270
G3D Mark Score
91
93+2%
Architecture
TeraScale 2
TeraScale
Process Node
40 nm
55 nm
Shading Units
800
800
Compute (TFLOPS)
1.12 TFLOPS+27%
0.88 TFLOPS
ROPs
16
16
TMUs
40
40
L1 Cache
80 KB
160 KB+100%
L2 Cache
256 KB
256 KB
Frame Generation
FSR upscaling
FSR upscaling

Advanced Features (DLSS/FSR)

FeatureMobility Radeon HD 3450Mobility Radeon HD 4270
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 3450 has 256 MB of VRAM, while the Mobility Radeon HD 4270 carries 512 MB. Mobility Radeon HD 4270 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 Mobility Radeon HD 3450 and 64-bit on the Mobility Radeon HD 4270.

FeatureMobility Radeon HD 3450Mobility Radeon HD 4270
VRAM Capacity
0.25 GB
0.5 GB+100%
Memory Type
GDDR5
GDDR5
Memory Bandwidth
Unknown
Unknown
Bus Width
128-bit+100%
64-bit
L2 Cache
256 KB
256 KB
🔌

Power & Dimensions

The Mobility Radeon HD 3450 draws 50W versus the Mobility Radeon HD 4270's 30W — a 50% difference. The Mobility Radeon HD 4270 is more power-efficient. Recommended PSU: 350W (Mobility Radeon HD 3450) vs 350W (Mobility Radeon HD 4270). Power connectors: PCIe-powered vs PCIe-powered.

FeatureMobility Radeon HD 3450Mobility Radeon HD 4270
TDP
50W
30W-40%
Recommended PSU
350W
350W
Power Connector
PCIe-powered
PCIe-powered
Slots
1
Perf/Watt
1.8
3.1+72%
💰

Value Analysis

At launch, the Mobility Radeon HD 3450 came in at $100, while the Mobility Radeon HD 4270 launched at $49. On MSRP, Mobility Radeon HD 4270 was 51% cheaper ($51 less). Performance per dollar on MSRP (G3D Mark / MSRP): 0.9 (Mobility Radeon HD 3450) vs 1.9 (Mobility Radeon HD 4270) — the Mobility Radeon HD 4270 offers 111.1% better value. The newer card here is Mobility Radeon HD 3450 (2010 vs 2009).

FeatureMobility Radeon HD 3450Mobility Radeon HD 4270
MSRP
$100
$49-51%
Performance per Dollar
0.9
1.9+111%
Codename
Broadway
M98
Release
January 7 2010
January 9 2009
Ranking
#846
#927

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