GeForce GTX 660M vs Radeon Vega 8 Ryzen 5 3500C

NVIDIA

GeForce GTX 660M

2012Core: 835 MHzBoost: 950 MHz
Similar parts
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VS
AMD

Radeon Vega 8 Ryzen 5 3500C

2020Boost: 2100 MHz
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GeForce GTX 660M vs Radeon Vega 8 Ryzen 5 3500C 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 GTX 660M vs Radeon Vega 8 Ryzen 5 3500C 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 GTX 660M vs Radeon Vega 8 Ryzen 5 3500C: 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 GTX 660M

2012

Why buy it

  • 100+% more VRAM for high-resolution textures and newer games (2 GB vs Unknown).

Trade-offs

  • Lower average FPS than Radeon Vega 8 Ryzen 5 3500C across 50 tracked games in our benchmark data.
  • 2012 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
  • Lower G3D Mark per dollar, at 0 vs 14.2 G3D/$ (Unknown MSRP vs $99 MSRP).
  • 233.3% higher power demand at 50W vs 15W.

Radeon Vega 8 Ryzen 5 3500C

2020

Why buy it

  • 141.9% more average FPS across 50 tracked games in our benchmark data.
  • Delivers 100+% more G3D Mark for each dollar spent, at 14.2 vs 0 G3D/$ ($99 MSRP vs Unknown MSRP).
  • Draws 15W instead of 50W, a 35W reduction.

Trade-offs

  • Less VRAM, with Unknown vs 2 GB for high-resolution textures and newer games.
  • 2020 hardware with Unknown 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?
Radeon Vega 8 Ryzen 5 3500C is the faster gaming card right now. In our data, it leads by 141.9% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward GeForce GTX 660M instead at 1,452 vs 1,410, 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 GTX 660M is the safer long-term pick for 2026 and beyond. The case is simple: 2 GB vs Unknown of VRAM. That gives it more room for heavier textures and higher settings over time.
Which GPU is the better buy today?
Radeon Vega 8 Ryzen 5 3500C makes the most sense today based on the pricing and value data we have for this matchup. If you are mainly targeting 1080p, Radeon Vega 8 Ryzen 5 3500C is the easier value choice. If you care more about 1080p and some 1440p headroom, GeForce GTX 660M has the stronger long-term case.

GeForce GTX 660M vs Radeon Vega 8 Ryzen 5 3500C Technical Specifications

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

NVIDIA

GeForce GTX 660M

The GeForce GTX 660M is manufactured by NVIDIA. It was released in March 22 2012. It features the Kepler architecture. The core clock ranges from 835 MHz to 950 MHz. It has 384 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,452 points.

AMD

Radeon Vega 8 Ryzen 5 3500C

The Radeon Vega 8 Ryzen 5 3500C is manufactured by AMD. It was released in January 7 2020. It features the Vega architecture. The boost clock speed is 2100 MHz. It has 512 shading units. The thermal design power (TDP) is 15W. Manufactured using 7 nm process technology. G3D Mark benchmark score: 1,410 points.

Graphics Performance

The GeForce GTX 660M scores 1,452 and the Radeon Vega 8 Ryzen 5 3500C reaches 1,410 in the G3D Mark benchmark — just a 3% difference, making them near-identical in rasterization performance. The GeForce GTX 660M is built on Kepler while the Radeon Vega 8 Ryzen 5 3500C uses Vega, both on 28 nm vs 7 nm. Shader units: 384 (GeForce GTX 660M) vs 512 (Radeon Vega 8 Ryzen 5 3500C). Boost clocks: 950 MHz vs 2100 MHz.

FeatureGeForce GTX 660MRadeon Vega 8 Ryzen 5 3500C
G3D Mark Score
1,452+3%
1,410
Architecture
Kepler
Vega
Process Node
28 nm
7 nm
Shading Units
384
512+33%
Boost Clock
950 MHz
2100 MHz+121%

Advanced Features (DLSS/FSR)

The GeForce GTX 660M gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon Vega 8 Ryzen 5 3500C leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

FeatureGeForce GTX 660MRadeon Vega 8 Ryzen 5 3500C
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
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Video Memory (VRAM)

The GeForce GTX 660M has 2 GB of VRAM, while the Radeon Vega 8 Ryzen 5 3500C carries 0 MB. GeForce GTX 660M 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 GTX 660M and System on the Radeon Vega 8 Ryzen 5 3500C.

FeatureGeForce GTX 660MRadeon Vega 8 Ryzen 5 3500C
VRAM Capacity
2 GB
Shared System RAM
Memory Type
GDDR5
Shared
Memory Bandwidth
Unknown
System
Bus Width
128-bit
System
🖥️

Display & API Support

DirectX support: 12 (11_0) (GeForce GTX 660M) vs 12_1 (Radeon Vega 8 Ryzen 5 3500C). Maximum simultaneous displays: 4 vs 0.

FeatureGeForce GTX 660MRadeon Vega 8 Ryzen 5 3500C
DirectX
12 (11_0)
12_1
Max Displays
4
0
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Media & Encoding

Hardware encoder: NVENC 1st Gen (GeForce GTX 660M) vs VCN 1.0 (Radeon Vega 8 Ryzen 5 3500C). Decoder: PureVideo HD VP5 vs VCN 1.0.

FeatureGeForce GTX 660MRadeon Vega 8 Ryzen 5 3500C
Encoder
NVENC 1st Gen
VCN 1.0
Decoder
PureVideo HD VP5
VCN 1.0
Codecs
H.264,VC-1,MPEG-2,MPEG-4 ASP
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Power & Dimensions

The GeForce GTX 660M draws 50W versus the Radeon Vega 8 Ryzen 5 3500C's 15W — a 107.7% difference. The Radeon Vega 8 Ryzen 5 3500C is more power-efficient. Recommended PSU: 350W (GeForce GTX 660M) vs 1W (Radeon Vega 8 Ryzen 5 3500C). Power connectors: 1x 6-pin vs Integrated.

FeatureGeForce GTX 660MRadeon Vega 8 Ryzen 5 3500C
TDP
50W
15W-70%
Recommended PSU
350W
1W-100%
Power Connector
1x 6-pin
Integrated
Length
1mm
Slots
0
0
Temp (Load)
60°C
Perf/Watt
29.0
94.0+224%
💰

Value Analysis

The newer card here is Radeon Vega 8 Ryzen 5 3500C (2020 vs 2012).

FeatureGeForce GTX 660MRadeon Vega 8 Ryzen 5 3500C
MSRP
$99
Codename
GK107
Vega
Release
March 22 2012
January 7 2020
Ranking
#774
#545

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