Iris Plus Graphics 655 vs ATI Radeon HD 4870

Aggregate performance score

We've compared Radeon HD 4870 and Iris Plus Graphics 655, covering specs and all relevant benchmarks.

ATI HD 4870
2008
1 GB GDDR5, 150 Watt
3.56

Iris Plus Graphics 655 outperforms ATI HD 4870 by a significant 26% based on our aggregate benchmark results.

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking713654
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.27no data
Power efficiency1.6420.73
ArchitectureTeraScale (2005−2013)Generation 9.5 (2016−2020)
GPU code nameRV770Coffee Lake GT3e
Market segmentDesktopDesktop
Release date25 June 2008 (16 years ago)3 April 2018 (6 years ago)
Launch price (MSRP)$299 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores800384
Core clock speed750 MHz300 MHz
Boost clock speedno data1050 MHz
Number of transistors956 million189 million
Manufacturing process technology55 nm14 nm+++
Power consumption (TDP)150 Watt15 Watt
Texture fill rate30.0050.40
Floating-point processing power1.2 TFLOPS0.8064 TFLOPS
ROPs166
TMUs4048

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfacePCIe 2.0 x16Ring Bus
Length250 mmno data
Width2-slotIGP
Supplementary power connectors2x 6-pinno data

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR5System Shared
Maximum RAM amount1 GBSystem Shared
Memory bus width256 BitSystem Shared
Memory clock speed900 MHzSystem Shared
Memory bandwidth115.2 GB/sno data
Shared memory-+

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors2x DVI, 1x S-VideoPortable Device Dependent

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

Quick Syncno data+

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX10.1 (10_1)12 (12_1)
Shader Model4.16.4
OpenGL3.34.6
OpenCL1.13.0
VulkanN/A1.3

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

ATI HD 4870 3.56
Iris Plus Graphics 655 4.49
+26.1%

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

ATI HD 4870 1375
Iris Plus Graphics 655 1733
+26%

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

Full HD14−16
−35.7%
19
+35.7%
1440p9−10
−33.3%
12
+33.3%
4K12−14
−33.3%
16
+33.3%

Cost per frame, $

1080p21.36no data
1440p33.22no data
4K24.92no data

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 7−8
+0%
7−8
+0%

Full HD
Medium Preset

Assassin's Creed Odyssey 12−14
+0%
12−14
+0%
Assassin's Creed Valhalla 4−5
+0%
4−5
+0%
Battlefield 5 10−11
+0%
10−11
+0%
Call of Duty: Modern Warfare 9−10
+0%
9−10
+0%
Cyberpunk 2077 7−8
+0%
7−8
+0%
Far Cry 5 9−10
+0%
9−10
+0%
Far Cry New Dawn 12−14
+0%
12−14
+0%
Forza Horizon 4 46
+0%
46
+0%
Hitman 3 10−11
+0%
10−11
+0%
Horizon Zero Dawn 27−30
+0%
27−30
+0%
Metro Exodus 9−10
+0%
9−10
+0%
Red Dead Redemption 2 10−12
+0%
10−12
+0%
Shadow of the Tomb Raider 23
+0%
23
+0%
Watch Dogs: Legion 40−45
+0%
40−45
+0%

Full HD
High Preset

Assassin's Creed Odyssey 12−14
+0%
12−14
+0%
Assassin's Creed Valhalla 4−5
+0%
4−5
+0%
Battlefield 5 10−11
+0%
10−11
+0%
Call of Duty: Modern Warfare 9−10
+0%
9−10
+0%
Cyberpunk 2077 7−8
+0%
7−8
+0%
Far Cry 5 9−10
+0%
9−10
+0%
Far Cry New Dawn 12−14
+0%
12−14
+0%
Forza Horizon 4 40
+0%
40
+0%
Hitman 3 10−11
+0%
10−11
+0%
Horizon Zero Dawn 27−30
+0%
27−30
+0%
Metro Exodus 9−10
+0%
9−10
+0%
Red Dead Redemption 2 10−12
+0%
10−12
+0%
Shadow of the Tomb Raider 17
+0%
17
+0%
The Witcher 3: Wild Hunt 16−18
+0%
16−18
+0%
Watch Dogs: Legion 40−45
+0%
40−45
+0%

Full HD
Ultra Preset

Assassin's Creed Odyssey 12−14
+0%
12−14
+0%
Assassin's Creed Valhalla 4−5
+0%
4−5
+0%
Call of Duty: Modern Warfare 9−10
+0%
9−10
+0%
Cyberpunk 2077 7−8
+0%
7−8
+0%
Far Cry 5 9−10
+0%
9−10
+0%
Forza Horizon 4 24−27
+0%
24−27
+0%
Hitman 3 10−11
+0%
10−11
+0%
Horizon Zero Dawn 10
+0%
10
+0%
Shadow of the Tomb Raider 15
+0%
15
+0%
The Witcher 3: Wild Hunt 6
+0%
6
+0%
Watch Dogs: Legion 40−45
+0%
40−45
+0%

Full HD
Epic Preset

Red Dead Redemption 2 10−12
+0%
10−12
+0%

1440p
High Preset

Battlefield 5 8−9
+0%
8−9
+0%
Far Cry New Dawn 6−7
+0%
6−7
+0%

1440p
Ultra Preset

Assassin's Creed Odyssey 4−5
+0%
4−5
+0%
Call of Duty: Modern Warfare 3−4
+0%
3−4
+0%
Cyberpunk 2077 2−3
+0%
2−3
+0%
Far Cry 5 5−6
+0%
5−6
+0%
Forza Horizon 4 6−7
+0%
6−7
+0%
Hitman 3 9−10
+0%
9−10
+0%
Horizon Zero Dawn 10−11
+0%
10−11
+0%
Metro Exodus 0−1 0−1
The Witcher 3: Wild Hunt 3−4
+0%
3−4
+0%
Watch Dogs: Legion 24−27
+0%
24−27
+0%

1440p
Epic Preset

Red Dead Redemption 2 8−9
+0%
8−9
+0%

4K
High Preset

Battlefield 5 3−4
+0%
3−4
+0%
Far Cry New Dawn 3−4
+0%
3−4
+0%
Hitman 3 0−1 0−1
Horizon Zero Dawn 1−2
+0%
1−2
+0%
Metro Exodus 1−2
+0%
1−2
+0%

4K
Ultra Preset

Assassin's Creed Odyssey 3−4
+0%
3−4
+0%
Assassin's Creed Valhalla 2−3
+0%
2−3
+0%
Call of Duty: Modern Warfare 2−3
+0%
2−3
+0%
Cyberpunk 2077 0−1 0−1
Far Cry 5 2−3
+0%
2−3
+0%
Forza Horizon 4 3−4
+0%
3−4
+0%
Watch Dogs: Legion 1−2
+0%
1−2
+0%

4K
Epic Preset

Red Dead Redemption 2 5−6
+0%
5−6
+0%

This is how ATI HD 4870 and Iris Plus Graphics 655 compete in popular games:

  • Iris Plus Graphics 655 is 36% faster in 1080p
  • Iris Plus Graphics 655 is 33% faster in 1440p
  • Iris Plus Graphics 655 is 33% faster in 4K

All in all, in popular games:

  • there's a draw in 65 tests (100%)

Pros & cons summary


Performance score 3.56 4.49
Recency 25 June 2008 3 April 2018
Chip lithography 55 nm 14 nm
Power consumption (TDP) 150 Watt 15 Watt

Iris Plus Graphics 655 has a 26.1% higher aggregate performance score, an age advantage of 9 years, a 292.9% more advanced lithography process, and 900% lower power consumption.

The Iris Plus Graphics 655 is our recommended choice as it beats the Radeon HD 4870 in performance tests.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


ATI Radeon HD 4870
Radeon HD 4870
Intel Iris Plus Graphics 655
Iris Plus Graphics 655

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.3 226 votes

Rate Radeon HD 4870 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.6 329 votes

Rate Iris Plus Graphics 655 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.