
Iris Plus Graphics G4 (Ice Lake 48 EU)

Radeon HD 7870M
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 FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends
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)
2019Why buy it
- β Draws 12W instead of 45W, a 33W reduction.
- β More future proof: Gen. 11 Ice Lake (2019β2022) on 10nm with a newer platform for upcoming games.
Trade-offs
- βLess VRAM, with Unknown vs 2 GB for high-resolution textures and newer games.
- β2019 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
2012Why buy it
- β 100+% more VRAM for high-resolution textures and newer games (2 GB vs Unknown).
- β 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
- β2012 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- β275% higher power demand at 45W vs 12W.
Quick Answers
Which GPU is faster for gaming right now?
Which GPU is the safer long-term pick for 2026 and beyond?
Which GPU is the better buy today?
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.

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.

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).
| Feature | Iris 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)
| Feature | Iris 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 |
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.
| Feature | Iris 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 |
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.
| Feature | Iris 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 |
Value Analysis
The newer card here is Iris Plus Graphics G4 (Ice Lake 48 EU) (2019 vs 2012).
| Feature | Iris 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 |
Affiliate Disclosure
ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.
Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.















