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GeForce 7900 GTX vs Mobility Radeon HD 4650

CPUCPUGPUGPU
NVIDIA

GeForce 7900 GTX

2008Core: 500 MHz
Similar parts
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VS
AMD

Mobility Radeon HD 4650

2010Core: 700 MHz
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Buy on Amazon

GeForce 7900 GTX vs Mobility Radeon HD 4650 Performance Spectrum

GeForce 7900 GTX
0.5 GB 150
388
0.0%
brand logoGeForce GT 230M
brand logoGeForce 7900 GT
brand logoGeForce 610M
brand logoGeForce GT 610
brand logoGeForce GTX 1050 3GB
brand logoGeForce GTX 1060 3GB
brand logoGeForce GTX 1070 Ti
brand logoGeForce RTX 3080 Ti Laptop GPU
Mobility Radeon HD 4650
1 GB 50
401
+3.4%
brand logoRadeon HD 7450
brand logoRadeon HD 5470
brand logoRadeon HD 2900 GT
brand logoMobility Radeon HD 565v
brand logoRadeon R9 M395X
brand logoRadeon 8040S
brand logoRadeon RX 7600M XT
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 7900 GTX vs Mobility Radeon HD 4650: 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 7900 GTX

2008

Why buy it

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

Trade-offs

  • ❌Less VRAM, with 512 MB vs 1 GB for high-resolution textures and newer games.
  • ❌2008 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
  • ❌
    918.4% HIGHER MSRP
    $499 MSRPvs$49 MSRP
  • ❌Lower G3D Mark per dollar, at 0.8 vs 8.2 G3D/$ ($499 MSRP vs $49 MSRP).
  • ❌200% higher power demand at 150W vs 50W.

Mobility Radeon HD 4650

2010

Why buy it

  • ✅Costs $450 less on MSRP ($49 MSRP vs $499 MSRP).
  • ✅Delivers 952.5% more G3D Mark for each dollar spent, at 8.2 vs 0.8 G3D/$ ($49 MSRP vs $499 MSRP).
  • ✅100% more VRAM for high-resolution textures and newer games (1 GB vs 512 MB).
  • ✅Draws 50W instead of 150W, a 100W reduction.

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.

Quick Answers

Which GPU is faster for gaming right now?
Mobility Radeon HD 4650 is the faster gaming card right now based on the synthetic data we have. It leads by 3.4% in PassMark G3D (401 vs 388), which is the best performance signal available in this matchup.
Which GPU is the safer long-term pick for 2026 and beyond?
GeForce 7900 GTX 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?
Mobility Radeon HD 4650 makes the most sense to buy today. It is $450 cheaper on MSRP at $49 vs $499, and it leads G3D-per-dollar by 952.5% (8.2 vs 0.8), so the value case lines up with the gaming result. If you are mainly targeting 1080p and some 1440p, Mobility Radeon HD 4650 is the easier value choice. If you care more about 1080p and some 1440p headroom, GeForce 7900 GTX has the stronger long-term case.

GeForce 7900 GTX vs Mobility Radeon HD 4650 Technical Specifications

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

NVIDIA

GeForce 7900 GTX

The GeForce 7900 GTX is manufactured by NVIDIA. It was released in July 15 2008. It features the G9x architecture. The core clock speed is 500 MHz. It has 224 shading units. The thermal design power (TDP) is 150W. Manufactured using 65 nm process technology. G3D Mark benchmark score: 388 points.

AMD

Mobility Radeon HD 4650

The Mobility Radeon HD 4650 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: 401 points.

⚡

Graphics Performance

The GeForce 7900 GTX scores 388 and the Mobility Radeon HD 4650 reaches 401 in the G3D Mark benchmark — just a 3.4% difference, making them near-identical in rasterization performance. The GeForce 7900 GTX is built on G9x while the Mobility Radeon HD 4650 uses TeraScale 2, both on 65 nm vs 40 nm. Shader units: 224 (GeForce 7900 GTX) vs 800 (Mobility Radeon HD 4650).

FeatureGeForce 7900 GTXMobility Radeon HD 4650
G3D Mark Score
388
401+3%
Architecture
G9x
TeraScale 2
Process Node
65 nm
40 nm
Shading Units
224
800+257%
✨

Advanced Features (DLSS/FSR)

The GeForce 7900 GTX gets NVIDIA DLSS, which still tends to look cleaner in motion. The Mobility Radeon HD 4650 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

FeatureGeForce 7900 GTXMobility Radeon HD 4650
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 7900 GTX has 512 MB of VRAM, while the Mobility Radeon HD 4650 carries 1 GB. Mobility Radeon HD 4650 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 GeForce 7900 GTX and 128-bit on the Mobility Radeon HD 4650.

FeatureGeForce 7900 GTXMobility Radeon HD 4650
VRAM Capacity
0.5 GB
1 GB+100%
Memory Type
GDDR5
GDDR5
Memory Bandwidth
Unknown
Unknown
Bus Width
64-bit
128-bit+100%
🖥️

Display & API Support

DirectX support: 9.0c (GeForce 7900 GTX) vs 10.1 (Mobility Radeon HD 4650). Vulkan: N/A vs N/A. OpenGL: 2.1 vs 3.3. Maximum simultaneous displays: 2 vs 2.

FeatureGeForce 7900 GTXMobility Radeon HD 4650
DirectX
9.0c
10.1+12%
Vulkan
N/A
N/A
OpenGL
2.1
3.3+57%
Max Displays
2
2
🎬

Media & Encoding

Hardware encoder: None (GeForce 7900 GTX) vs None (Mobility Radeon HD 4650). Decoder: PureVideo VP1 vs UVD 2.2. Supported codecs: MPEG-2,WMV9,H.264 (GeForce 7900 GTX) vs H.264,VC-1,MPEG-2 (Mobility Radeon HD 4650).

FeatureGeForce 7900 GTXMobility Radeon HD 4650
Encoder
None
None
Decoder
PureVideo VP1
UVD 2.2
Codecs
MPEG-2,WMV9,H.264
H.264,VC-1,MPEG-2
🔌

Power & Dimensions

The GeForce 7900 GTX draws 150W versus the Mobility Radeon HD 4650's 50W — a 100% difference. The Mobility Radeon HD 4650 is more power-efficient. Recommended PSU: 350W (GeForce 7900 GTX) vs 350W (Mobility Radeon HD 4650). Power connectors: PCIe-powered vs PCIe-powered. Card length: 229mm vs 0mm, occupying 2 vs 0 slots. Typical load temperature: 80 vs 80.

FeatureGeForce 7900 GTXMobility Radeon HD 4650
TDP
150W
50W-67%
Recommended PSU
350W
350W
Power Connector
PCIe-powered
PCIe-powered
Length
229mm
0mm
Height
111mm
0mm
Slots
2
0-100%
Temp (Load)
80
80
Perf/Watt
2.6
8.0+208%
💰

Value Analysis

At launch, the GeForce 7900 GTX came in at $499, while the Mobility Radeon HD 4650 launched at $49. On MSRP, Mobility Radeon HD 4650 was 90.2% cheaper ($450 less). Performance per dollar on MSRP (G3D Mark / MSRP): 0.8 (GeForce 7900 GTX) vs 8.2 (Mobility Radeon HD 4650) — the Mobility Radeon HD 4650 offers 925% better value. The newer card here is Mobility Radeon HD 4650 (2010 vs 2008).

FeatureGeForce 7900 GTXMobility Radeon HD 4650
MSRP
$499
$49-90%
Performance per Dollar
0.8
8.2+925%
Codename
NB9E-GTX
Broadway
Release
July 15 2008
January 7 2010
Ranking
#825
#846
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