Radeon RX Vega 56 vs GeForce GTX 1660 Ti

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

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

⚠️ Generational Difference

The GeForce GTX 1660 Ti uses modern memory architecture. The GeForce GTX 1660 Ti likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon RX Vega 56 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.

🚀 Performance Leadership

The Radeon RX Vega 56 is the superior choice for raw performance. It leads with a 2.2% higher G3D Mark score and 33.3% more VRAM (8 GB vs 6 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce GTX 1660 Ti.

Insight	Radeon RX Vega 56	GeForce GTX 1660 Ti
Performance	✅Leading raw performance (+2.2%)	❌Lower raw frame rates (-2.2%)
Longevity	🛑Obsolete Architecture (2017 / GCN 5.0 (2017−2020))	Turing (2018−2022) (12nm)
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	✅ More VRAM (+33.3%)	🎮 High Capacity (6 GB)
Efficiency	⚡ Higher Power Consumption	💡 Excellent Perf/Watt
Case Fit	Standard Size (280mm)	📏 Compact / SFF Friendly

💎 Value Proposition

The Radeon RX Vega 56 offers a compelling cost-to-performance ratio. Priced at $75 versus $85 for the GeForce GTX 1660 Ti, it costs 12% less. While it maintains competitive performance, this results in a 15.8% higher cost efficiency score.

Insight	Radeon RX Vega 56	GeForce GTX 1660 Ti
Cost Efficiency	✅Better overall value (+15.8%)	❌Lower cost efficiency
Upfront Cost	✅More affordable ($75)	⚠️Higher upfront cost ($85)

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 56 Benchmark Check

GeForce GTX 1660 Ti Benchmark Check

Technical Specifications

Side-by-side comparison of Radeon RX Vega 56 and GeForce GTX 1660 Ti

Radeon RX Vega 56

The Radeon RX Vega 56 is manufactured by AMD. It was released in August 14 2017. It features the GCN 5.0 architecture. The core clock ranges from 1156 MHz to 1471 MHz. It has 3584 shading units. The thermal design power (TDP) is 210W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 13,026 points. Launch price was $399.

GeForce GTX 1660 Ti

The GeForce GTX 1660 Ti is manufactured by NVIDIA. It was released in February 22 2019. It features the Turing architecture. The core clock ranges from 1500 MHz to 1770 MHz. It has 1536 shading units. The thermal design power (TDP) is 120W. Manufactured using 12 nm process technology. G3D Mark benchmark score: 12,747 points. Launch price was $279.

⚡

Graphics Performance

The Radeon RX Vega 56 scores 13,026 and the GeForce GTX 1660 Ti reaches 12,747 in the G3D Mark benchmark — just a 2.2% difference, making them near-identical in rasterization performance. The Radeon RX Vega 56 is built on GCN 5.0 while the GeForce GTX 1660 Ti uses Turing, both on 14 nm vs 12 nm. Shader units: 3,584 (Radeon RX Vega 56) vs 1,536 (GeForce GTX 1660 Ti). Raw compute: 10.54 TFLOPS (Radeon RX Vega 56) vs 5.437 TFLOPS (GeForce GTX 1660 Ti). Boost clocks: 1471 MHz vs 1770 MHz.

Feature	Radeon RX Vega 56	GeForce GTX 1660 Ti
G3D Mark Score	13,026+2%	12,747
Architecture	GCN 5.0	Turing
Process Node	14 nm	12 nm
Shading Units	3584+133%	1536
Compute (TFLOPS)	10.54 TFLOPS+94%	5.437 TFLOPS
Boost Clock	1471 MHz	1770 MHz+20%
ROPs	64+33%	48
TMUs	224+133%	96
L1 Cache	0.88 MB	1.5 MB+70%
L2 Cache	4 MB+167%	1.5 MB

✨

Advanced Features (DLSS/FSR)

Feature	Radeon RX Vega 56	GeForce GTX 1660 Ti
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 56 comes with 8 GB of VRAM, while the GeForce GTX 1660 Ti has 6 GB. The Radeon RX Vega 56 offers 33.3% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 410 GB/s (Radeon RX Vega 56) vs 288 GB/s (GeForce GTX 1660 Ti) — a 42.4% advantage for the Radeon RX Vega 56. Bus width: 2048-bit vs 192-bit. L2 Cache: 4 MB (Radeon RX Vega 56) vs 1.5 MB (GeForce GTX 1660 Ti) — the Radeon RX Vega 56 has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon RX Vega 56	GeForce GTX 1660 Ti
VRAM Capacity	8 GB+33%	6 GB
Memory Type	HBM2	GDDR6
Memory Bandwidth	410 GB/s+42%	288 GB/s
Bus Width	2048-bit+967%	192-bit
L2 Cache	4 MB+167%	1.5 MB

🖥️

Display & API Support

DirectX support: 12 (12_1) (Radeon RX Vega 56) vs 12 (GeForce GTX 1660 Ti). Vulkan: 1.3 vs 1.4. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.

Feature	Radeon RX Vega 56	GeForce GTX 1660 Ti
DirectX	12 (12_1)	12
Vulkan	1.3	1.4+8%
OpenGL	4.6	4.6
Max Displays	4	4

🎬

Media & Encoding

Hardware encoder: VCE 4.0 (Radeon RX Vega 56) vs NVENC 7th gen (GeForce GTX 1660 Ti). Decoder: UVD 7.0 vs NVDEC 4th gen. Supported codecs: H.264,H.265,VP9 (Radeon RX Vega 56) vs H.264,H.265/HEVC,VP8,VP9 (GeForce GTX 1660 Ti).

Feature	Radeon RX Vega 56	GeForce GTX 1660 Ti
Encoder	VCE 4.0	NVENC 7th gen
Decoder	UVD 7.0	NVDEC 4th gen
Codecs	H.264,H.265,VP9	H.264,H.265/HEVC,VP8,VP9

🔌

Power & Dimensions

The Radeon RX Vega 56 draws 210W versus the GeForce GTX 1660 Ti's 120W — a 54.5% difference. The GeForce GTX 1660 Ti is more power-efficient. Recommended PSU: 650W (Radeon RX Vega 56) vs 450W (GeForce GTX 1660 Ti). Power connectors: 2x 8-pin vs 8-pin. Card length: 280mm vs 229mm, occupying 2 vs 2 slots. Typical load temperature: 75 vs 75°C.

Feature	Radeon RX Vega 56	GeForce GTX 1660 Ti
TDP	210W	120W-43%
Recommended PSU	650W	450W-31%
Power Connector	2x 8-pin	8-pin
Length	280mm	229mm
Height	111mm	111mm
Slots	2	2
Temp (Load)	75	75°C
Perf/Watt	62.0	106.2+71%

💰

Value Analysis

The Radeon RX Vega 56 launched at $399 MSRP and currently averages $75, while the GeForce GTX 1660 Ti launched at $279 and now averages $85. The Radeon RX Vega 56 costs 11.8% less ($10 savings) at current market prices. Performance per dollar (G3D Mark / price): 173.7 (Radeon RX Vega 56) vs 150.0 (GeForce GTX 1660 Ti) — the Radeon RX Vega 56 offers 15.8% better value. The GeForce GTX 1660 Ti is the newer GPU (2019 vs 2017).