FirePro 3D V7750 vs Mobility Radeon HD 3870

FirePro 3D V7750

2014Core: 850 MHz
Similar parts
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VS
AMD

Mobility Radeon HD 3870

2010Core: 700 MHz
Similar parts
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FirePro 3D V7750 vs Mobility Radeon HD 3870 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.

FirePro 3D V7750 vs Mobility Radeon HD 3870: Pros, Cons & Final Verdict

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

FirePro 3D V7750

2014

Why buy it

  • 100% more VRAM for high-resolution textures and newer games (1 GB vs 512 MB).
  • More future proof: GCN 1.0 (2012−2020) on 28nm with a newer platform for upcoming games.

Trade-offs

  • 2014 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
  • 519.4% HIGHER MSRP
    $799 MSRPvs$129 MSRP
  • Lower G3D Mark per dollar, at 0.7 vs 4.2 G3D/$ ($799 MSRP vs $129 MSRP).
  • 448% higher power demand at 274W vs 50W.
  • 23300% longer card at 234mm vs 1mm.

Mobility Radeon HD 3870

2010

Why buy it

  • Costs $670 less on MSRP ($129 MSRP vs $799 MSRP).
  • Delivers 522.8% more G3D Mark for each dollar spent, at 4.2 vs 0.7 G3D/$ ($129 MSRP vs $799 MSRP).
  • Draws 50W instead of 274W, a 224W reduction.
  • Measures 1mm instead of 234mm, a 233mm shorter card that is more SFF-friendly.

Trade-offs

  • Less VRAM, with 512 MB vs 1 GB for high-resolution textures and newer games.
  • 2010 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 3870 is the faster gaming card right now based on the synthetic data we have. It leads by 0.6% in PassMark G3D (548 vs 545), which is the best performance signal available in this matchup.
Which GPU is the safer long-term pick for 2026 and beyond?
FirePro 3D V7750 is the safer long-term pick for 2026 and beyond. The case is simple: 1 GB vs 512 MB of VRAM, a 28nm process instead of 40nm, and a newer 2014 generation instead of 2010. That gives it more room for heavier textures and higher settings over time.
Which GPU is the better buy today?
Mobility Radeon HD 3870 makes the most sense to buy today. It is $670 cheaper on MSRP at $129 vs $799, and it leads G3D-per-dollar by 522.8% (4.2 vs 0.7), so the value case lines up with the gaming result. If you are mainly targeting 1080p and some 1440p, Mobility Radeon HD 3870 is the easier value choice. If you care more about 1080p and some 1440p headroom, FirePro 3D V7750 has the stronger long-term case.

FirePro 3D V7750 vs Mobility Radeon HD 3870 Technical Specifications

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

AMD

FirePro 3D V7750

The FirePro 3D V7750 is manufactured by AMD. It was released in January 18 2014. It features the GCN 1.0 architecture. The core clock speed is 850 MHz. It has 2048 shading units. The thermal design power (TDP) is 274W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 545 points.

AMD

Mobility Radeon HD 3870

The Mobility Radeon HD 3870 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: 548 points.

Graphics Performance

The FirePro 3D V7750 scores 545 and the Mobility Radeon HD 3870 reaches 548 in the G3D Mark benchmark — just a 0.6% difference, making them near-identical in rasterization performance. The FirePro 3D V7750 is built on GCN 1.0 while the Mobility Radeon HD 3870 uses TeraScale 2, both on 28 nm vs 40 nm. Shader units: 2,048 (FirePro 3D V7750) vs 800 (Mobility Radeon HD 3870). Raw compute: 3.482 TFLOPS (FirePro 3D V7750) vs 1.12 TFLOPS (Mobility Radeon HD 3870).

FeatureFirePro 3D V7750Mobility Radeon HD 3870
G3D Mark Score
545
548
Architecture
GCN 1.0
TeraScale 2
Process Node
28 nm
40 nm
Shading Units
2048+156%
800
Compute (TFLOPS)
3.482 TFLOPS+211%
1.12 TFLOPS
ROPs
32+100%
16
TMUs
128+220%
40
L1 Cache
512 KB+540%
80 KB
L2 Cache
768 KB+200%
256 KB

Advanced Features (DLSS/FSR)

FeatureFirePro 3D V7750Mobility Radeon HD 3870
Upscaling Tech
Upscaling support
FSR Upscaling / FSR 4
Frame Generation
Not Supported
Not Supported
Ray Reconstruction
No
No
Low Latency
Standard
AMD Anti-Lag
💾

Video Memory (VRAM)

The FirePro 3D V7750 has 1 GB of VRAM, while the Mobility Radeon HD 3870 carries 512 MB. FirePro 3D V7750 gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 64-bit on the FirePro 3D V7750 and 128-bit on the Mobility Radeon HD 3870. L2 Cache: 768 KB (FirePro 3D V7750) vs 256 KB (Mobility Radeon HD 3870) — the FirePro 3D V7750 has significantly larger on-die cache to reduce VRAM reliance.

FeatureFirePro 3D V7750Mobility Radeon HD 3870
VRAM Capacity
1 GB+100%
0.5 GB
Memory Type
GDDR5
GDDR5
Bus Width
64-bit
128-bit+100%
L2 Cache
768 KB+200%
256 KB
🖥️

Display & API Support

DirectX support: 10.1 (FirePro 3D V7750) vs 10.1 (Mobility Radeon HD 3870). Maximum simultaneous displays: 2 vs 0.

FeatureFirePro 3D V7750Mobility Radeon HD 3870
DirectX
10.1
10.1
Max Displays
2
0
🎬

Media & Encoding

Hardware encoder: UVD 2 (FirePro 3D V7750) vs UVD (Mobility Radeon HD 3870). Decoder: UVD 2 vs UVD.

FeatureFirePro 3D V7750Mobility Radeon HD 3870
Encoder
UVD 2
UVD
Decoder
UVD 2
UVD
Codecs
MPEG-2,H.264,VC-1
🔌

Power & Dimensions

The FirePro 3D V7750 draws 274W versus the Mobility Radeon HD 3870's 50W — a 138.3% difference. The Mobility Radeon HD 3870 is more power-efficient. Recommended PSU: 350W (FirePro 3D V7750) vs 350W (Mobility Radeon HD 3870). Power connectors: PCIe-powered vs PCIe-powered. Card length: 234mm vs 1mm, occupying 1 vs 0 slots.

FeatureFirePro 3D V7750Mobility Radeon HD 3870
TDP
274W
50W-82%
Recommended PSU
350W
350W
Power Connector
PCIe-powered
PCIe-powered
Length
234mm
1mm
Height
111mm
Slots
1
0-100%
Temp (Load)
80°C
Perf/Watt
2.0
11.0+450%
💰

Value Analysis

At launch, the FirePro 3D V7750 came in at $799, while the Mobility Radeon HD 3870 launched at $129. On MSRP, Mobility Radeon HD 3870 was 83.9% cheaper ($670 less). Performance per dollar on MSRP (G3D Mark / MSRP): 0.7 (FirePro 3D V7750) vs 4.2 (Mobility Radeon HD 3870) — the Mobility Radeon HD 3870 offers 500% better value. The newer card here is FirePro 3D V7750 (2014 vs 2010).

FeatureFirePro 3D V7750Mobility Radeon HD 3870
MSRP
$799
$129-84%
Performance per Dollar
0.7
4.2+500%
Codename
Tahiti
Broadway
Release
January 18 2014
January 7 2010
Ranking
#423
#846

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