Iris Plus Graphics 645 vs Radeon RX Vega 6

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 Iris Plus Graphics 645 uses modern memory architecture. The Iris Plus Graphics 645 likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon RX Vega 6 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.

🚀 Performance Leadership

The Radeon RX Vega 6 is the superior choice for raw performance. It leads with a 2.9% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Iris Plus Graphics 645.

Insight	Iris Plus Graphics 645	Radeon RX Vega 6
Performance	❌Lower raw frame rates (-2.9%)	✅Leading raw performance (+2.9%)
Longevity	Generation 9.5 (2016−2020) (14nm)	🛑Obsolete Architecture (2017 / GCN 5.0 (2017−2020))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	❌ Less VRAM capacity	✅ More VRAM (+0%)
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.

Iris Plus Graphics 645 Benchmark Check

Radeon RX Vega 6 Benchmark Check

Valorant

No prediction data available

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Iris Plus Graphics 645 and Radeon RX Vega 6

Iris Plus Graphics 645

The Iris Plus Graphics 645 is manufactured by Intel. It was released in October 7 2019. It features the Generation 9.5 architecture. The core clock ranges from 300 MHz to 1050 MHz. It has 384 shading units. The thermal design power (TDP) is 15W. Manufactured using 14 nm+++ process technology. G3D Mark benchmark score: 1,450 points.

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 Iris Plus Graphics 645 scores 1,450 and the Radeon RX Vega 6 reaches 1,492 in the G3D Mark benchmark — just a 2.9% difference, making them near-identical in rasterization performance. The Iris Plus Graphics 645 is built on Generation 9.5 while the Radeon RX Vega 6 uses GCN 5.0, both on 14 nm+++ vs 14 nm. Shader units: 384 (Iris Plus Graphics 645) vs 4,096 (Radeon RX Vega 6). Raw compute: 0.8064 TFLOPS (Iris Plus Graphics 645) vs 12.66 TFLOPS (Radeon RX Vega 6). Boost clocks: 1050 MHz vs 1546 MHz.

Feature	Iris Plus Graphics 645	Radeon RX Vega 6
G3D Mark Score	1,450	1,492+3%
Architecture	Generation 9.5	GCN 5.0
Process Node	14 nm+++	14 nm
Shading Units	384	4096+967%
Compute (TFLOPS)	0.8064 TFLOPS	12.66 TFLOPS+1470%
Boost Clock	1050 MHz	1546 MHz+47%
ROPs	6	64+967%
TMUs	48	256+433%

✨

Advanced Features (DLSS/FSR)

Feature	Iris Plus Graphics 645	Radeon RX Vega 6
Upscaling Tech	FSR 1.0 (Software)	FSR 1.0 (Software)
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	Standard	AMD Anti-Lag

💾

Video Memory (VRAM)

Both cards feature 0 MB of Shared. Bus width: System vs System.

Feature	Iris Plus Graphics 645	Radeon RX Vega 6
VRAM Capacity	Shared System RAM	Shared System RAM
Memory Type	Shared	Shared
Memory Bandwidth	System	System
Bus Width	System	System

🔌

Power & Dimensions

The Iris Plus Graphics 645 draws 15W versus the Radeon RX Vega 6's 295W — a 180.6% difference. The Iris Plus Graphics 645 is more power-efficient. Recommended PSU: 1W (Iris Plus Graphics 645) vs 1W (Radeon RX Vega 6). Power connectors: Integrated vs Integrated.

Feature	Iris Plus Graphics 645	Radeon RX Vega 6
TDP	15W-95%	295W
Recommended PSU	1W	1W
Power Connector	Integrated	Integrated
Perf/Watt	96.7+1796%	5.1

💰

Value Analysis

The Iris Plus Graphics 645 launched at $0 MSRP and currently averages $0, while the Radeon RX Vega 6 launched at $0 and now averages $0. Performance per dollar (G3D Mark / price): Infinity (Iris Plus Graphics 645) vs Infinity (Radeon RX Vega 6) — the Radeon RX Vega 6 offers NaN% better value. The Iris Plus Graphics 645 is the newer GPU (2019 vs 2017).