Radeon RX Vega 6 vs GeForce GTX 660M

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. 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

Based on actual market prices and performance benchmarks.

Performance Per Dollar GeForce GTX 660M

#180

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

374%

#182

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

339%

#183

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

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

Qualcomm SD X Adreno X1-85 4.6 TFLOPS

MSRP: $250|Avg: $250

96%

#203

GeForce GT 730M

MSRP: N/A|Avg: $45

93%

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.

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

Radeon RX Vega 6 Benchmark Check

GeForce GTX 660M Benchmark Check

Technical Specifications

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

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.

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.

⚡

Graphics Performance

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

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

✨

Advanced Features (DLSS/FSR)

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

💾

Video Memory (VRAM)

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

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

🔌

Power & Dimensions

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