GeForce GT 540M vs Mobility Radeon HD 3870 X2

NVIDIA

GeForce GT 540M

2013Core: 941 MHzBoost: 967 MHz
VS
AMD

Mobility Radeon HD 3870 X2

2008Core: 660 MHz

GeForce GT 540M vs Mobility Radeon HD 3870 X2 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.

GeForce GT 540M vs Mobility Radeon HD 3870 X2: Pros, Cons & Final Verdict

See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.

GeForce GT 540M

2013

Why buy it

  • 49900% more VRAM for high-resolution textures and newer games (1 GB vs 2 MB).
  • Mobility Radeon HD 3870 X2 is already obsolete for modern gaming, so GeForce GT 540M is the less risky modern option long term.
  • Draws 50W instead of 110W, a 60W reduction.

Trade-offs

  • 2013 hardware with 1 GB 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 1.1 G3D/$ (Unknown MSRP vs $449 MSRP).

Mobility Radeon HD 3870 X2

2008

Why buy it

  • Delivers 100+% more G3D Mark for each dollar spent, at 1.1 vs 0 G3D/$ ($449 MSRP vs Unknown MSRP).

Trade-offs

  • Less VRAM, with 2 MB vs 1 GB for high-resolution textures and newer games.
  • 2008 hardware with 2 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
  • 120% higher power demand at 110W vs 50W.

Quick Answers

Which GPU is faster for gaming right now?
Mobility Radeon HD 3870 X2 is the faster gaming card right now based on the synthetic data we have. It leads by 0.8% in PassMark G3D (478 vs 474), which is the best performance signal available in this matchup.
Which GPU is the safer long-term pick for 2026 and beyond?
GeForce GT 540M is the safer long-term pick for 2026 and beyond. The case is simple: 1 GB vs 2 MB of VRAM, a 28nm process instead of 55nm, and a newer 2013 generation instead of 2008. That gives it more room for heavier textures and higher settings over time.
Which GPU is the better buy today?
Mobility Radeon HD 3870 X2 makes the most sense today based on the pricing and value data we have for this matchup. If you are mainly targeting 1080p, Mobility Radeon HD 3870 X2 is the easier value choice. If you care more about 1080p and some 1440p headroom, GeForce GT 540M has the stronger long-term case.

GeForce GT 540M vs Mobility Radeon HD 3870 X2 Technical Specifications

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

NVIDIA

GeForce GT 540M

The GeForce GT 540M is manufactured by NVIDIA. It was released in January 9 2013. It features the Kepler architecture. The core clock ranges from 941 MHz to 967 MHz. It has 384 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 474 points.

AMD

Mobility Radeon HD 3870 X2

The Mobility Radeon HD 3870 X2 is manufactured by AMD. It was released in September 1 2008. It features the TeraScale architecture. The core clock speed is 660 MHz. It has 320 ×2 shading units. The thermal design power (TDP) is 110W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 478 points.

Graphics Performance

The GeForce GT 540M scores 474 and the Mobility Radeon HD 3870 X2 reaches 478 in the G3D Mark benchmark — just a 0.8% difference, making them near-identical in rasterization performance. The GeForce GT 540M is built on Kepler while the Mobility Radeon HD 3870 X2 uses TeraScale, both on 28 nm vs 55 nm. Shader units: 384 (GeForce GT 540M) vs 320 (Mobility Radeon HD 3870 X2). Raw compute: 0.7427 TFLOPS (GeForce GT 540M) vs 0.4224 TFLOPS ×2 (Mobility Radeon HD 3870 X2).

FeatureGeForce GT 540MMobility Radeon HD 3870 X2
G3D Mark Score
474
478
Architecture
Kepler
TeraScale
Process Node
28 nm
55 nm
Shading Units
384+20%
320 ×2
Compute (TFLOPS)
0.7427 TFLOPS+76%
0.4224 TFLOPS ×2
ROPs
16
16 ×2
TMUs
32+100%
16 ×2
L2 Cache
256 KB
256 KB

Advanced Features (DLSS/FSR)

The GeForce GT 540M gets NVIDIA DLSS, which still tends to look cleaner in motion. The Mobility Radeon HD 3870 X2 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

FeatureGeForce GT 540MMobility Radeon HD 3870 X2
Upscaling Tech
Upscaling support
FSR Upscaling / FSR 4
Frame Generation
Not Supported
Not Supported
Ray Reconstruction
No
No
Low Latency
NVIDIA Reflex
AMD Anti-Lag
💾

Video Memory (VRAM)

The GeForce GT 540M has 1 GB of VRAM, while the Mobility Radeon HD 3870 X2 carries 2 MB. GeForce GT 540M gives you 49900% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 128-bit on the GeForce GT 540M and 64-bit on the Mobility Radeon HD 3870 X2.

FeatureGeForce GT 540MMobility Radeon HD 3870 X2
VRAM Capacity
1 GB+49900%
0.002 GB
Memory Type
GDDR5
GDDR5
Memory Bandwidth
Unknown
Unknown
Bus Width
128-bit+100%
64-bit
L2 Cache
256 KB
256 KB
🖥️

Display & API Support

DirectX support: 11.0 (GeForce GT 540M) vs 10.1 (Mobility Radeon HD 3870 X2). Maximum simultaneous displays: 1 vs 0.

FeatureGeForce GT 540MMobility Radeon HD 3870 X2
DirectX
11.0+9%
10.1
Max Displays
1
0
🎬

Media & Encoding

Hardware encoder: No (GeForce GT 540M) vs UVD (Mobility Radeon HD 3870 X2). Decoder: PureVideo HD VP4 vs UVD.

FeatureGeForce GT 540MMobility Radeon HD 3870 X2
Encoder
No
UVD
Decoder
PureVideo HD VP4
UVD
Codecs
MPEG-2,H.264,VC-1,MPEG-4 ASP
🔌

Power & Dimensions

The GeForce GT 540M draws 50W versus the Mobility Radeon HD 3870 X2's 110W — a 75% difference. The GeForce GT 540M is more power-efficient. Recommended PSU: 350W (GeForce GT 540M) vs 350W (Mobility Radeon HD 3870 X2). Power connectors: PCIe-powered vs PCIe-powered. Card length: 0mm vs 1mm, occupying 0 vs 0 slots.

FeatureGeForce GT 540MMobility Radeon HD 3870 X2
TDP
50W-55%
110W
Recommended PSU
350W
350W
Power Connector
PCIe-powered
PCIe-powered
Length
0mm
1mm
Height
0mm
Slots
0
0
Temp (Load)
85°C
Perf/Watt
9.5+121%
4.3
💰

Value Analysis

The newer card here is GeForce GT 540M (2013 vs 2008).

FeatureGeForce GT 540MMobility Radeon HD 3870 X2
MSRP
$449
Codename
GK107
M88
Release
January 9 2013
September 1 2008
Ranking
#792
#919

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