GeForce GTX 660M
VS
Radeon RX Vega 6

GeForce GTX 660M vs Radeon RX Vega 6

NVIDIA

GeForce GTX 660M

2012Core: 835 MHzBoost: 950 MHz
VS
AMD

Radeon RX Vega 6

2017Core: 1247 MHzBoost: 1546 MHz

Performance Spectrum - GPU

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.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (G3D Mark) per dollar. The GeForce GTX 660M is positioned at rank #190 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.

MSRP is the manufacturer's suggested retail price.
Avg price is the current average price collected from markets across the web.

Performance Per Dollar GeForce GTX 660M

#180
Radeon RX 550X (móvel)
MSRP: $35|Avg: $35
374%
#182
339%
#183
338%
#187
GeForce GTX 1050 (Mobile)
MSRP: N/A|Avg: $50
307%
#188
Radeon RX 6300
MSRP: $60|Avg: $40
305%
#190
GeForce GTX 660M
MSRP: N/A|Avg: N/A
100%
#195
GeForce GT625M
MSRP: N/A|Avg: $45
97%
#197
96%
#203
GeForce GT 730M
MSRP: N/A|Avg: $45
93%
Based on actual market prices and performance benchmarks.

Performance Per Dollar

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The Radeon RX Vega 6 is the superior choice for raw performance. It leads with a 2.8% higher G3D Mark score. However, the GeForce GTX 660M offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.

InsightGeForce GTX 660MRadeon RX Vega 6
Performance
Lower raw frame rates (-2.8%)
Leading raw performance (+2.8%)
Longevity
🛑Obsolete Architecture (2012 / Kepler (2012−2018))
🛑Obsolete Architecture (2017 / GCN 5.0 (2017−2020))
Ecosystem
Supports FSR Upscaling
Supports FSR Upscaling
VRAM
✅ More VRAM (+100+%)
❌ Less VRAM capacity
Efficiency
💡 Excellent Perf/Watt
⚡ Higher Power Consumption
Case Fit

💎 Value Proposition

While current pricing data is unavailable, the Radeon RX Vega 6 remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.

Performance Check

Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 7800X3D reference profile to minimize specific CPU bottlenecks.

Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.

Technical Specifications

Side-by-side comparison of GeForce GTX 660M and Radeon RX Vega 6

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 RX Vega 6

The Radeon RX Vega 6 is manufactured by AMD. It was released in August 7 2017. It features the GCN 5.0 architecture. The core clock ranges from 1247 MHz to 1546 MHz. It has 4096 shading units. The thermal design power (TDP) is 295W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 1,492 points. Launch price was $499.

Graphics Performance

The GeForce GTX 660M scores 1,452 and the Radeon RX Vega 6 reaches 1,492 in the G3D Mark benchmark — just a 2.8% difference, making them near-identical in rasterization performance. The GeForce GTX 660M is built on Kepler while the Radeon RX Vega 6 uses GCN 5.0, both on 28 nm vs 14 nm. Shader units: 384 (GeForce GTX 660M) vs 4,096 (Radeon RX Vega 6). Raw compute: 0.7296 TFLOPS (GeForce GTX 660M) vs 12.66 TFLOPS (Radeon RX Vega 6). Boost clocks: 950 MHz vs 1546 MHz.

FeatureGeForce GTX 660MRadeon RX Vega 6
G3D Mark Score
1,452
1,492+3%
Architecture
Kepler
GCN 5.0
Process Node
28 nm
14 nm
Shading Units
384
4096+967%
Compute (TFLOPS)
0.7296 TFLOPS
12.66 TFLOPS+1635%
Boost Clock
950 MHz
1546 MHz+63%
ROPs
16
64+300%
TMUs
32
256+700%
L1 Cache
0.03 MB
1 MB+3233%
L2 Cache
0.25 MB
4 MB+1500%

Advanced Features (DLSS/FSR)

FeatureGeForce GTX 660MRadeon RX Vega 6
Upscaling Tech
FSR 2.1 (Compatible)
FSR 1.0 (Software)
Frame Generation
FSR 3 (Compatible)
Not Supported
Ray Reconstruction
No
No
Low Latency
Standard
AMD Anti-Lag
💾

Video Memory (VRAM)

The GeForce GTX 660M comes with 2 GB of VRAM, while the Radeon RX Vega 6 has 0 MB. The GeForce GTX 660M offers 100+% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs System. L2 Cache: 0.25 MB (GeForce GTX 660M) vs 4 MB (Radeon RX Vega 6) — the Radeon RX Vega 6 has significantly larger on-die cache to reduce VRAM reliance.

FeatureGeForce GTX 660MRadeon RX Vega 6
VRAM Capacity
2 GB
Shared System RAM
Memory Type
GDDR5
Shared
Memory Bandwidth
Unknown
System
Bus Width
128-bit
System
L2 Cache
0.25 MB
4 MB+1500%
🔌

Power & Dimensions

The GeForce GTX 660M draws 50W versus the Radeon RX Vega 6's 295W — a 142% difference. The GeForce GTX 660M is more power-efficient. Recommended PSU: 350W (GeForce GTX 660M) vs 1W (Radeon RX Vega 6). Power connectors: 1x 6-pin vs Integrated.

FeatureGeForce GTX 660MRadeon RX Vega 6
TDP
50W-83%
295W
Recommended PSU
350W
1W-100%
Power Connector
1x 6-pin
Integrated
Slots
0
Temp (Load)
60°C
Perf/Watt
29.0+469%
5.1
💰

Value Analysis

The Radeon RX Vega 6 is the newer GPU (2017 vs 2012).

FeatureGeForce GTX 660MRadeon RX Vega 6
MSRP
$0
Avg Price (30d)
$0
Codename
GK107
Vega 10
Release
March 22 2012
August 7 2017
Ranking
#774
#171