Iris Plus Graphics G4 (Ice Lake 48 EU) vs Radeon HD 7870M

Intel

Iris Plus Graphics G4 (Ice Lake 48 EU)

2019Core: 300 MHzBoost: 1100 MHz
VS
AMD

Radeon HD 7870M

2012Core: 800 MHz

Iris Plus Graphics G4 (Ice Lake 48 EU) vs Radeon HD 7870M 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 G4 (Ice Lake 48 EU) vs Radeon HD 7870M: 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 G4 (Ice Lake 48 EU)

2019

Why buy it

  • βœ…Draws 12W instead of 45W, a 33W reduction.
  • βœ…More future proof: Gen. 11 Ice Lake (2019βˆ’2022) on 10nm with a newer platform for upcoming games.

Trade-offs

  • ❌Less VRAM, with Unknown vs 2 GB for high-resolution textures and newer games.
  • ❌2019 hardware with Unknown of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

Radeon HD 7870M

2012

Why buy it

  • βœ…100+% more VRAM for high-resolution textures and newer games (2 GB vs Unknown).
  • βœ…Iris Plus Graphics G4 (Ice Lake 48 EU) is already obsolete for modern gaming, so Radeon HD 7870M is the less risky modern option long term.

Trade-offs

  • ❌2012 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
  • ❌275% higher power demand at 45W vs 12W.

Quick Answers

Which GPU is faster for gaming right now?
Radeon HD 7870M is the faster gaming card right now based on the synthetic data we have. It leads by 0.5% in PassMark G3D (1,507 vs 1,500), which is the best performance signal available in this matchup.
Which GPU is the safer long-term pick for 2026 and beyond?
Radeon HD 7870M is the safer long-term pick for 2026 and beyond. The case is simple: 2 GB vs Unknown of VRAM and the newer upscaling stack, FSR Upscaling / FSR 4 (2025) instead of no meaningful modern upscaling stack. That gives it more room for heavier textures and higher settings over time.
Which GPU is the better buy today?
Radeon HD 7870M makes the most sense today based on the pricing and value data we have for this matchup.

Iris Plus Graphics G4 (Ice Lake 48 EU) vs Radeon HD 7870M Technical Specifications

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

Intel

Iris Plus Graphics G4 (Ice Lake 48 EU)

The Iris Plus Graphics G4 (Ice Lake 48 EU) is manufactured by Intel. It was released in May 28 2019. It features the Gen. 11 Ice Lake architecture. The core clock ranges from 300 MHz to 1100 MHz. It has 48 shading units. The thermal design power (TDP) is 12W. Manufactured using 10 nm process technology. G3D Mark benchmark score: 1,500 points.

AMD

Radeon HD 7870M

The Radeon HD 7870M is manufactured by AMD. It was released in April 24 2012. It features the GCN 1.0 architecture. The core clock speed is 800 MHz. It has 640 shading units. The thermal design power (TDP) is 45W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,507 points.

⚑

Graphics Performance

The Iris Plus Graphics G4 (Ice Lake 48 EU) scores 1,500 and the Radeon HD 7870M reaches 1,507 in the G3D Mark benchmark β€” just a 0.5% difference, making them near-identical in rasterization performance. The Iris Plus Graphics G4 (Ice Lake 48 EU) is built on Gen. 11 Ice Lake while the Radeon HD 7870M uses GCN 1.0, both on 10 nm vs 28 nm. Shader units: 48 (Iris Plus Graphics G4 (Ice Lake 48 EU)) vs 640 (Radeon HD 7870M).

FeatureIris Plus Graphics G4 (Ice Lake 48 EU)Radeon HD 7870M
G3D Mark Score
1,500
1,507
Architecture
Gen. 11 Ice Lake
GCN 1.0
Process Node
10 nm
28 nm
Shading Units
48
640+1233%
✨

Advanced Features (DLSS/FSR)

FeatureIris Plus Graphics G4 (Ice Lake 48 EU)Radeon HD 7870M
Upscaling Tech
Upscaling support
FSR Upscaling / FSR 4
Frame Generation
Not Supported
Not Supported
Ray Reconstruction
No
No
Low Latency
Standard
AMD Anti-Lag
πŸ’Ύ

Video Memory (VRAM)

The Iris Plus Graphics G4 (Ice Lake 48 EU) has 0 MB of VRAM, while the Radeon HD 7870M carries 2 GB. Radeon HD 7870M gives you 100+% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is System on the Iris Plus Graphics G4 (Ice Lake 48 EU) and System on the Radeon HD 7870M.

FeatureIris Plus Graphics G4 (Ice Lake 48 EU)Radeon HD 7870M
VRAM Capacity
Shared System RAM
2 GB
Memory Type
Shared
Shared
Memory Bandwidth
System
System
Bus Width
System
System
πŸ”Œ

Power & Dimensions

The Iris Plus Graphics G4 (Ice Lake 48 EU) draws 12W versus the Radeon HD 7870M's 45W β€” a 115.8% difference. The Iris Plus Graphics G4 (Ice Lake 48 EU) is more power-efficient. Recommended PSU: 1W (Iris Plus Graphics G4 (Ice Lake 48 EU)) vs 350W (Radeon HD 7870M). Power connectors: Integrated vs 1x 6-pin.

FeatureIris Plus Graphics G4 (Ice Lake 48 EU)Radeon HD 7870M
TDP
12W-73%
45W
Recommended PSU
1W-100%
350W
Power Connector
Integrated
1x 6-pin
Length
0mm
β€”
Height
0mm
β€”
Slots
0
β€”
Temp (Load)
85
β€”
Perf/Watt
125.0+273%
33.5
πŸ’°

Value Analysis

The newer card here is Iris Plus Graphics G4 (Ice Lake 48 EU) (2019 vs 2012).

FeatureIris Plus Graphics G4 (Ice Lake 48 EU)Radeon HD 7870M
MSRP
$0
β€”
Codename
Ice Lake G4 Gen. 11
Heathrow
Release
May 28 2019
April 24 2012
Ranking
#760
#765

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