GeForce 7900 GT vs Radeon HD 6450A

NVIDIA

GeForce 7900 GT

2008Core: 500 MHz
Similar parts
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VS
AMD

Radeon HD 6450A

2011Core: 600 MHz
Similar parts
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GeForce 7900 GT vs Radeon HD 6450A 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 7900 GT vs Radeon HD 6450A FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.

Search any supported game below to compare 1080p FPS for both components.

GeForce 7900 GT vs Radeon HD 6450A: 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 GT

2008

Why buy it

  • 35.8% more average FPS across 50 tracked games in our benchmark data.

Trade-offs

  • Less VRAM, with 256 MB vs 512 MB for high-resolution textures and newer games.
  • 2008 hardware with 256 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
  • 443.6% HIGHER MSRP
    $299 MSRPvs$55 MSRP
  • Lower G3D Mark per dollar, at 0.9 vs 4.7 G3D/$ ($299 MSRP vs $55 MSRP).
  • 233.3% higher power demand at 150W vs 45W.

Radeon HD 6450A

2011

Why buy it

  • Costs $244 less on MSRP ($55 MSRP vs $299 MSRP).
  • Delivers 447.9% more G3D Mark for each dollar spent, at 4.7 vs 0.9 G3D/$ ($55 MSRP vs $299 MSRP).
  • 100% more VRAM for high-resolution textures and newer games (512 MB vs 256 MB).
  • Draws 45W instead of 150W, a 105W reduction.

Trade-offs

  • Lower average FPS than GeForce 7900 GT across 50 tracked games in our benchmark data.
  • 2011 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?
GeForce 7900 GT is the faster gaming card right now. In our data, it leads by 35.8% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward Radeon HD 6450A instead at 260 vs 258, so for this question the real-game FPS result matters more than the synthetic split.
Which GPU is the safer long-term pick for 2026 and beyond?
GeForce 7900 GT 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?
Radeon HD 6450A makes the most sense to buy today. It is $244 cheaper on MSRP at $55 vs $299, and it leads G3D-per-dollar by 447.9% (4.7 vs 0.9), which is enough to swing the recommendation its way. If you are mainly targeting 1080p and some 1440p, Radeon HD 6450A is the easier value choice. If you care more about 1080p and some 1440p headroom, GeForce 7900 GT has the stronger long-term case.

GeForce 7900 GT vs Radeon HD 6450A Technical Specifications

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

NVIDIA

GeForce 7900 GT

The GeForce 7900 GT 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: 258 points.

AMD

Radeon HD 6450A

The Radeon HD 6450A is manufactured by AMD. It was released in April 19 2011. It features the TeraScale 2 architecture. The core clock speed is 600 MHz. It has 480 shading units. The thermal design power (TDP) is 45W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 260 points.

Graphics Performance

The GeForce 7900 GT scores 258 and the Radeon HD 6450A reaches 260 in the G3D Mark benchmark — just a 0.8% difference, making them near-identical in rasterization performance. The GeForce 7900 GT is built on G9x while the Radeon HD 6450A uses TeraScale 2, both on 65 nm vs 40 nm. Shader units: 224 (GeForce 7900 GT) vs 480 (Radeon HD 6450A).

FeatureGeForce 7900 GTRadeon HD 6450A
G3D Mark Score
258
260
Architecture
G9x
TeraScale 2
Process Node
65 nm
40 nm
Shading Units
224
480+114%

Advanced Features (DLSS/FSR)

The GeForce 7900 GT gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon HD 6450A leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

FeatureGeForce 7900 GTRadeon HD 6450A
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 GT has 256 MB of VRAM, while the Radeon HD 6450A carries 512 MB. Radeon HD 6450A 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 GT and 128-bit on the Radeon HD 6450A.

FeatureGeForce 7900 GTRadeon HD 6450A
VRAM Capacity
0.25 GB
0.5 GB+100%
Memory Type
GDDR5
GDDR5
Memory Bandwidth
Unknown
Unknown
Bus Width
64-bit
128-bit+100%
🔌

Power & Dimensions

The GeForce 7900 GT draws 150W versus the Radeon HD 6450A's 45W — a 107.7% difference. The Radeon HD 6450A is more power-efficient. Recommended PSU: 350W (GeForce 7900 GT) vs 350W (Radeon HD 6450A). Power connectors: Legacy vs 1x 6-pin.

FeatureGeForce 7900 GTRadeon HD 6450A
TDP
150W
45W-70%
Recommended PSU
350W
350W
Power Connector
Legacy
1x 6-pin
Length
198mm
Height
111mm
Slots
1
Temp (Load)
80
Perf/Watt
1.7
5.8+241%
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Value Analysis

At launch, the GeForce 7900 GT came in at $299, while the Radeon HD 6450A launched at $55. On MSRP, Radeon HD 6450A was 81.6% cheaper ($244 less). Performance per dollar on MSRP (G3D Mark / MSRP): 0.9 (GeForce 7900 GT) vs 4.7 (Radeon HD 6450A) — the Radeon HD 6450A offers 422.2% better value. The newer card here is Radeon HD 6450A (2011 vs 2008).

FeatureGeForce 7900 GTRadeon HD 6450A
MSRP
$299
$55-82%
Performance per Dollar
0.9
4.7+422%
Codename
NB9E-GTX
Onega
Release
July 15 2008
April 19 2011
Ranking
#825
#926

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