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GeForce 920MX vs Mobility Radeon HD 5870

CPUCPUGPUGPU
NVIDIA

GeForce 920MX

2016Core: 965 MHzBoost: 993 MHz
Similar parts
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VS
AMD

Mobility Radeon HD 5870

2010Core: 700 MHz
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Buy on Amazon

GeForce 920MX vs Mobility Radeon HD 5870 Performance Spectrum

GeForce 920MX
0.5 GB 16
1,064
0.0%
brand logoGeForce GTX 260M SLI
brand logoGeForce GT 740A
brand logoGeForce 920A
brand logoGeForce GT 645M
brand logoGeForce GTX 970M
brand logoGeForce GTX 1070 (móvel)
brand logoRTX 2000 Ada Generation Mobile
brand logoGeForce RTX 4060
Mobility Radeon HD 5870
1 GB 50
1,088
+2.3%
brand logoRadeon HD 7570
brand logoRadeon HD 6670
brand logoRadeon R7 A8-7670K
brand logoRadeon HD 6770M
brand logoRadeon RX 5500M
brand logoRadeon RX 7600M
brand logoRadeon RX 6700S
brand logoRadeon RX 6700 XT

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 920MX vs Mobility Radeon HD 5870: 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 920MX

2016

Why buy it

  • ✅Costs $299 less on MSRP ($100 MSRP vs $399 MSRP).
  • ✅Delivers 290.2% more G3D Mark for each dollar spent, at 10.6 vs 2.7 G3D/$ ($100 MSRP vs $399 MSRP).
  • ✅Draws 16W instead of 50W, a 34W reduction.

Trade-offs

  • ❌Less VRAM, with 512 MB vs 1 GB for high-resolution textures and newer games.
  • ❌2016 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

Mobility Radeon HD 5870

2010

Why buy it

  • ✅100% more VRAM for high-resolution textures and newer games (1 GB vs 512 MB).

Trade-offs

  • ❌2010 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
  • ❌
    299% HIGHER MSRP
    $399 MSRPvs$100 MSRP
  • ❌Lower G3D Mark per dollar, at 2.7 vs 10.6 G3D/$ ($399 MSRP vs $100 MSRP).
  • ❌212.5% higher power demand at 50W vs 16W.

Quick Answers

Which GPU is faster for gaming right now?
Mobility Radeon HD 5870 is the faster gaming card right now based on the synthetic data we have. It leads by 2.3% in PassMark G3D (1,088 vs 1,064), which is the best performance signal available in this matchup.
Which GPU is the safer long-term pick for 2026 and beyond?
GeForce 920MX is the safer long-term pick for 2026 and beyond. The case is simple: a 28nm process instead of 40nm and a newer 2016 generation instead of 2010. That makes it the less risky pick as game demands keep moving.
Which GPU is the better buy today?
GeForce 920MX makes the most sense to buy today. It is $299 cheaper on MSRP at $100 vs $399, and it leads G3D-per-dollar by 290.2% (10.6 vs 2.7), which is enough to swing the recommendation its way. Mobility Radeon HD 5870 still makes more sense if max raw gaming performance matters more than value.

GeForce 920MX vs Mobility Radeon HD 5870 Technical Specifications

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

NVIDIA

GeForce 920MX

The GeForce 920MX is manufactured by NVIDIA. It was released in March 25 2016. It features the Maxwell architecture. The core clock ranges from 965 MHz to 993 MHz. It has 256 shading units. The thermal design power (TDP) is 16W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,064 points.

AMD

Mobility Radeon HD 5870

The Mobility Radeon HD 5870 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: 1,088 points.

⚡

Graphics Performance

The GeForce 920MX scores 1,064 and the Mobility Radeon HD 5870 reaches 1,088 in the G3D Mark benchmark — just a 2.3% difference, making them near-identical in rasterization performance. The GeForce 920MX is built on Maxwell while the Mobility Radeon HD 5870 uses TeraScale 2, both on 28 nm vs 40 nm. Shader units: 256 (GeForce 920MX) vs 800 (Mobility Radeon HD 5870). Raw compute: 0.5084 TFLOPS (GeForce 920MX) vs 1.12 TFLOPS (Mobility Radeon HD 5870).

FeatureGeForce 920MXMobility Radeon HD 5870
G3D Mark Score
1,064
1,088+2%
Architecture
Maxwell
TeraScale 2
Process Node
28 nm
40 nm
Shading Units
256
800+213%
Compute (TFLOPS)
0.5084 TFLOPS
1.12 TFLOPS+120%
ROPs
8
16+100%
TMUs
24
40+67%
L1 Cache
128 KB+60%
80 KB
L2 Cache
1 MB+300%
0.25 MB
✨

Advanced Features (DLSS/FSR)

The GeForce 920MX gets NVIDIA DLSS, which still tends to look cleaner in motion. The Mobility Radeon HD 5870 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

FeatureGeForce 920MXMobility Radeon HD 5870
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 920MX has 512 MB of VRAM, while the Mobility Radeon HD 5870 carries 1 GB. Mobility Radeon HD 5870 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 GeForce 920MX and 128-bit on the Mobility Radeon HD 5870. L2 Cache: 1 MB (GeForce 920MX) vs 0.25 MB (Mobility Radeon HD 5870) — the GeForce 920MX has significantly larger on-die cache to reduce VRAM reliance.

FeatureGeForce 920MXMobility Radeon HD 5870
VRAM Capacity
0.5 GB
1 GB+100%
Memory Type
GDDR5
GDDR5
Memory Bandwidth
Unknown
Unknown
Bus Width
128-bit
128-bit
L2 Cache
1 MB+300%
0.25 MB
🖥️

Display & API Support

DirectX support: 12 (11_0) (GeForce 920MX) vs 11 (5.0) (Mobility Radeon HD 5870). Vulkan: 1.1 vs N/A. OpenGL: 4.6 vs 4.4. Maximum simultaneous displays: 0 vs 0.

FeatureGeForce 920MXMobility Radeon HD 5870
DirectX
12 (11_0)+9%
11 (5.0)
Vulkan
1.1
N/A
OpenGL
4.6+5%
4.4
Max Displays
0
0
🎬

Media & Encoding

Hardware encoder: None (GeForce 920MX) vs None (Mobility Radeon HD 5870). Decoder: PureVideo HD VP6 vs UVD 2.2. Supported codecs: H.264,VC-1,MPEG-2 (GeForce 920MX) vs H.264,VC-1,MPEG-2 (Mobility Radeon HD 5870).

FeatureGeForce 920MXMobility Radeon HD 5870
Encoder
None
None
Decoder
PureVideo HD VP6
UVD 2.2
Codecs
H.264,VC-1,MPEG-2
H.264,VC-1,MPEG-2
🔌

Power & Dimensions

The GeForce 920MX draws 16W versus the Mobility Radeon HD 5870's 50W — a 103% difference. The GeForce 920MX is more power-efficient. Recommended PSU: 350W (GeForce 920MX) vs 350W (Mobility Radeon HD 5870). Power connectors: PCIe-powered vs PCIe-powered.

FeatureGeForce 920MXMobility Radeon HD 5870
TDP
16W-68%
50W
Recommended PSU
350W
350W
Power Connector
PCIe-powered
PCIe-powered
Length
—
0mm
Height
—
0mm
Slots
—
0
Temp (Load)
—
85
Perf/Watt
66.5+205%
21.8
💰

Value Analysis

At launch, the GeForce 920MX came in at $100, while the Mobility Radeon HD 5870 launched at $399. On MSRP, GeForce 920MX was 74.9% cheaper ($299 less). Performance per dollar on MSRP (G3D Mark / MSRP): 10.6 (GeForce 920MX) vs 2.7 (Mobility Radeon HD 5870) — the GeForce 920MX offers 292.6% better value. The newer card here is GeForce 920MX (2016 vs 2010).

FeatureGeForce 920MXMobility Radeon HD 5870
MSRP
$100-75%
$399
Performance per Dollar
10.6+293%
2.7
Codename
GM108
Broadway
Release
March 25 2016
January 7 2010
Ranking
#864
#846
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