Iris Plus Graphics 645 vs Radeon RX Vega 10 Ryzen 7 3700U

Intel

Iris Plus Graphics 645

2019Core: 300 MHzBoost: 1050 MHz
VS
AMD

Radeon RX Vega 10 Ryzen 7 3700U

2020Boost: 2100 MHz

Iris Plus Graphics 645 vs Radeon RX Vega 10 Ryzen 7 3700U 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.

Iris Plus Graphics 645 vs Radeon RX Vega 10 Ryzen 7 3700U: Pros, Cons & Final Verdict

See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.

Iris Plus Graphics 645

2019

Why buy it

  • Competitive enough if your priority is price, power, or specific feature preference.

Trade-offs

  • 2019 hardware with Unknown of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

Radeon RX Vega 10 Ryzen 7 3700U

2020

Why buy it

  • Iris Plus Graphics 645 is already obsolete for modern gaming, so Radeon RX Vega 10 Ryzen 7 3700U is the less risky modern option long term.
  • More future proof: Vega (2017−2020) on 7nm with a newer platform for upcoming games.

Trade-offs

  • 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 RX Vega 10 Ryzen 7 3700U is the faster gaming card right now based on the synthetic data we have. It leads by 1.9% in PassMark G3D (1,477 vs 1,450), which is the best performance signal available in this matchup.
Which GPU is the safer long-term pick for 2026 and beyond?
Radeon RX Vega 10 Ryzen 7 3700U is the safer long-term pick for 2026 and beyond. The case is simple: the newer upscaling stack, FSR Upscaling / FSR 4 (2025) instead of no meaningful modern upscaling stack, a 7nm process instead of 14nm, and a newer 2020 generation instead of 2019. That makes it the less risky pick as game demands keep moving.
Which GPU is the better buy today?
Radeon RX Vega 10 Ryzen 7 3700U makes the most sense today based on the pricing and value data we have for this matchup.

Iris Plus Graphics 645 vs Radeon RX Vega 10 Ryzen 7 3700U Technical Specifications

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

Intel

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.

AMD

Radeon RX Vega 10 Ryzen 7 3700U

The Radeon RX Vega 10 Ryzen 7 3700U 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: 1,477 points.

Graphics Performance

The Iris Plus Graphics 645 scores 1,450 and the Radeon RX Vega 10 Ryzen 7 3700U reaches 1,477 in the G3D Mark benchmark — just a 1.9% difference, making them near-identical in rasterization performance. The Iris Plus Graphics 645 is built on Generation 9.5 while the Radeon RX Vega 10 Ryzen 7 3700U uses Vega, both on 14 nm+++ vs 7 nm. Shader units: 384 (Iris Plus Graphics 645) vs 512 (Radeon RX Vega 10 Ryzen 7 3700U). Boost clocks: 1050 MHz vs 2100 MHz.

FeatureIris Plus Graphics 645Radeon RX Vega 10 Ryzen 7 3700U
G3D Mark Score
1,450
1,477+2%
Architecture
Generation 9.5
Vega
Process Node
14 nm+++
7 nm
Shading Units
384
512+33%
Boost Clock
1050 MHz
2100 MHz+100%

Advanced Features (DLSS/FSR)

FeatureIris Plus Graphics 645Radeon RX Vega 10 Ryzen 7 3700U
Upscaling Tech
Upscaling support
FSR Upscaling / FSR 4
Frame Generation
Not Supported
Not Supported
Ray Reconstruction
No
No
Low Latency
Standard
AMD Anti-Lag
💾

Video Memory (VRAM)

Both cards ship with 0 MB of Shared. Memory bus width is System on the Iris Plus Graphics 645 and System on the Radeon RX Vega 10 Ryzen 7 3700U.

FeatureIris Plus Graphics 645Radeon RX Vega 10 Ryzen 7 3700U
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 10 Ryzen 7 3700U's 15W — a 0% difference. The Radeon RX Vega 10 Ryzen 7 3700U is more power-efficient. Recommended PSU: 1W (Iris Plus Graphics 645) vs 1W (Radeon RX Vega 10 Ryzen 7 3700U). Power connectors: Integrated vs Integrated.

FeatureIris Plus Graphics 645Radeon RX Vega 10 Ryzen 7 3700U
TDP
15W
15W
Recommended PSU
1W
1W
Power Connector
Integrated
Integrated
Slots
0
Temp (Load)
80°C
Perf/Watt
96.7
98.5+2%
💰

Value Analysis

At launch, the Iris Plus Graphics 645 came in at $0, while the Radeon RX Vega 10 Ryzen 7 3700U launched at $0. Performance per dollar on MSRP (G3D Mark / MSRP): Infinity (Iris Plus Graphics 645) vs Infinity (Radeon RX Vega 10 Ryzen 7 3700U) — the Radeon RX Vega 10 Ryzen 7 3700U offers NaN% better value. The newer card here is Radeon RX Vega 10 Ryzen 7 3700U (2020 vs 2019).

FeatureIris Plus Graphics 645Radeon RX Vega 10 Ryzen 7 3700U
MSRP
$0
$0
Performance per Dollar
Infinity
Infinity
Codename
Coffee Lake GT3e
Vega
Release
October 7 2019
January 7 2020
Ranking
#720
#545

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