GeForce 7800 GT vs Radeon HD4650

NVIDIA

GeForce 7800 GT

2013Core: 875 MHzBoost: 928 MHz
Similar parts
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VS
AMD

Radeon HD4650

2010Boost: 800 MHz
Similar parts
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GeForce 7800 GT vs Radeon HD4650 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 7800 GT vs Radeon HD4650 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 7800 GT vs Radeon HD4650: 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 7800 GT

2013

Why buy it

  • More future proof: Kepler (2012−2018) on 28nm with a newer platform for upcoming games.

Trade-offs

  • Less VRAM, with 256 MB vs 512 MB for high-resolution textures and newer games.
  • 2013 hardware with 256 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
  • 798% HIGHER MSRP
    $449 MSRPvs$50 MSRP
  • Lower G3D Mark per dollar, at 0.5 vs 4.8 G3D/$ ($449 MSRP vs $50 MSRP).
  • 25% higher power demand at 250W vs 200W.

Radeon HD4650

2010

Why buy it

  • Costs $399 less on MSRP ($50 MSRP vs $449 MSRP).
  • Delivers 783.3% more G3D Mark for each dollar spent, at 4.8 vs 0.5 G3D/$ ($50 MSRP vs $449 MSRP).
  • 100% more VRAM for high-resolution textures and newer games (512 MB vs 256 MB).
  • Draws 200W instead of 250W, a 50W reduction.
  • Measures 193mm instead of 228mm, a 35mm shorter card that is more SFF-friendly.

Trade-offs

  • 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?
GeForce 7800 GT is the faster gaming card right now based on the synthetic data we have. It leads by 1.7% in PassMark G3D (244 vs 240), which is the best performance signal available in this matchup.
Which GPU is the safer long-term pick for 2026 and beyond?
GeForce 7800 GT is the safer long-term pick for 2026 and beyond. The case is simple: a 28nm process instead of 40nm and a newer 2013 generation instead of 2010. That makes it the less risky pick as game demands keep moving.
Which GPU is the better buy today?
Radeon HD4650 makes the most sense to buy today. It is $399 cheaper on MSRP at $50 vs $449, and it leads G3D-per-dollar by 783.3% (4.8 vs 0.5), which is enough to swing the recommendation its way. If you are mainly targeting 1080p and some 1440p, Radeon HD4650 is the easier value choice. If you care more about 1080p and some 1440p headroom, GeForce 7800 GT has the stronger long-term case.

GeForce 7800 GT vs Radeon HD4650 Technical Specifications

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

NVIDIA

GeForce 7800 GT

The GeForce 7800 GT is manufactured by NVIDIA. It was released in November 7 2013. It features the Kepler architecture. The core clock ranges from 875 MHz to 928 MHz. It has 2880 shading units. The thermal design power (TDP) is 250W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 244 points. Launch price was $699.

AMD

Radeon HD4650

The Radeon HD4650 is manufactured by AMD. It was released in December 14 2010. It features the TeraScale 3 architecture. The boost clock speed is 800 MHz. It has 1408 shading units. The thermal design power (TDP) is 200W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 240 points. Launch price was $299.

Graphics Performance

The GeForce 7800 GT scores 244 and the Radeon HD4650 reaches 240 in the G3D Mark benchmark — just a 1.7% difference, making them near-identical in rasterization performance. The GeForce 7800 GT is built on Kepler while the Radeon HD4650 uses TeraScale 3, both on 28 nm vs 40 nm. Shader units: 2,880 (GeForce 7800 GT) vs 1,408 (Radeon HD4650). Raw compute: 5.345 TFLOPS (GeForce 7800 GT) vs 2.253 TFLOPS (Radeon HD4650). Boost clocks: 928 MHz vs 800 MHz.

FeatureGeForce 7800 GTRadeon HD4650
G3D Mark Score
244+2%
240
Architecture
Kepler
TeraScale 3
Process Node
28 nm
40 nm
Shading Units
2880+105%
1408
Compute (TFLOPS)
5.345 TFLOPS+137%
2.253 TFLOPS
Boost Clock
928 MHz+16%
800 MHz
ROPs
48+50%
32
TMUs
240+173%
88
L1 Cache
240 KB
352 KB+47%
L2 Cache
1.5 MB+200%
0.5 MB

Advanced Features (DLSS/FSR)

The GeForce 7800 GT gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon HD4650 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

FeatureGeForce 7800 GTRadeon HD4650
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 7800 GT has 256 MB of VRAM, while the Radeon HD4650 carries 512 MB. Radeon HD4650 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 7800 GT and 128-bit on the Radeon HD4650. L2 Cache: 1.5 MB (GeForce 7800 GT) vs 0.5 MB (Radeon HD4650) — the GeForce 7800 GT has significantly larger on-die cache to reduce VRAM reliance.

FeatureGeForce 7800 GTRadeon HD4650
VRAM Capacity
0.25 GB
0.5 GB+100%
Memory Type
GDDR5
GDDR5
Memory Bandwidth
Unknown
Unknown
Bus Width
128-bit
128-bit
L2 Cache
1.5 MB+200%
0.5 MB
🖥️

Display & API Support

DirectX support: 9.0c (GeForce 7800 GT) vs 10.1 (Radeon HD4650). Maximum simultaneous displays: 2 vs 2.

FeatureGeForce 7800 GTRadeon HD4650
DirectX
9.0c
10.1+12%
Max Displays
2
2
🎬

Media & Encoding

Hardware encoder: No (GeForce 7800 GT) vs UVD 2.2 (Radeon HD4650). Decoder: PureVideo vs UVD 2.2.

FeatureGeForce 7800 GTRadeon HD4650
Encoder
No
UVD 2.2
Decoder
PureVideo
UVD 2.2
Codecs
MPEG-2
🔌

Power & Dimensions

The GeForce 7800 GT draws 250W versus the Radeon HD4650's 200W — a 22.2% difference. The Radeon HD4650 is more power-efficient. Recommended PSU: 350W (GeForce 7800 GT) vs 350W (Radeon HD4650). Power connectors: Legacy vs PCIe-powered. Card length: 228mm vs 193mm, occupying 1 vs 1 slots.

FeatureGeForce 7800 GTRadeon HD4650
TDP
250W
200W-20%
Recommended PSU
350W
350W
Power Connector
Legacy
PCIe-powered
Length
228mm
193mm
Height
111mm
Slots
1
1
Temp (Load)
85°C
Perf/Watt
1.0
1.2+20%
💰

Value Analysis

At launch, the GeForce 7800 GT came in at $449, while the Radeon HD4650 launched at $50. On MSRP, Radeon HD4650 was 88.9% cheaper ($399 less). Performance per dollar on MSRP (G3D Mark / MSRP): 0.5 (GeForce 7800 GT) vs 4.8 (Radeon HD4650) — the Radeon HD4650 offers 860% better value. The newer card here is GeForce 7800 GT (2013 vs 2010).

FeatureGeForce 7800 GTRadeon HD4650
MSRP
$449
$50-89%
Performance per Dollar
0.5
4.8+860%
Codename
GK110B
Cayman
Release
November 7 2013
December 14 2010
Ranking
#278
#623

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