Iris Plus Graphics 655 vs ATI Radeon HD 3850

Aggregate performance score

We've compared Radeon HD 3850 with Iris Plus Graphics 655, including specs and performance data.

ATI HD 3850
2007
1 GB GDDR3, 75 Watt
0.98

Iris Plus Graphics 655 outperforms ATI HD 3850 by a whopping 342% based on our aggregate benchmark results.

Primary details

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

Place in the ranking1108666
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.04no data
Power efficiency0.9420.66
ArchitectureTeraScale (2005−2013)Generation 9.5 (2016−2020)
GPU code nameRV670Coffee Lake GT3e
Market segmentDesktopLaptop
Release date19 November 2007 (17 years ago)3 April 2018 (6 years ago)
Launch price (MSRP)$179 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 cores320384
Core clock speed668 MHz300 MHz
Boost clock speedno data1050 MHz
Number of transistors666 million189 million
Manufacturing process technology55 nm14 nm+++
Power consumption (TDP)75 Watt15 Watt
Texture fill rate10.6950.40
Floating-point processing power0.4275 TFLOPS0.8064 TFLOPS
ROPs166
TMUs1648

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
Length208 mmno data
Width1-slotno data
Supplementary power connectors1x 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 typeGDDR3System Shared
Maximum RAM amount1 GBSystem Shared
Memory bus width256 BitSystem Shared
Memory clock speed830 MHzSystem Shared
Memory bandwidth53.12 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
OpenCLN/A3.0
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 3850 0.98
Iris Plus Graphics 655 4.33
+342%

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 3850 392
Iris Plus Graphics 655 1730
+341%

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 HD4−5
−375%
19
+375%
1440p2−3
−400%
10
+400%
4K3−4
−400%
15
+400%

Cost per frame, $

1080p44.75no data
1440p89.50no data
4K59.67no data

FPS performance in popular games

Full HD
Low Preset

Counter-Strike 2 12−14
+0%
12−14
+0%
Cyberpunk 2077 10−11
+0%
10−11
+0%

Full HD
Medium Preset

Battlefield 5 12−14
+0%
12−14
+0%
Counter-Strike 2 12−14
+0%
12−14
+0%
Cyberpunk 2077 10−11
+0%
10−11
+0%
Forza Horizon 4 18
+0%
18
+0%
Forza Horizon 5 8−9
+0%
8−9
+0%
Metro Exodus 11
+0%
11
+0%
Red Dead Redemption 2 14−16
+0%
14−16
+0%
Valorant 12−14
+0%
12−14
+0%

Full HD
High Preset

Battlefield 5 12−14
+0%
12−14
+0%
Counter-Strike 2 12−14
+0%
12−14
+0%
Cyberpunk 2077 10−11
+0%
10−11
+0%
Dota 2 17
+0%
17
+0%
Far Cry 5 16
+0%
16
+0%
Fortnite 24−27
+0%
24−27
+0%
Forza Horizon 4 17
+0%
17
+0%
Forza Horizon 5 8−9
+0%
8−9
+0%
Grand Theft Auto V 10
+0%
10
+0%
Metro Exodus 5
+0%
5
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 41
+0%
41
+0%
Red Dead Redemption 2 14−16
+0%
14−16
+0%
The Witcher 3: Wild Hunt 14−16
+0%
14−16
+0%
Valorant 12−14
+0%
12−14
+0%
World of Tanks 50
+0%
50
+0%

Full HD
Ultra Preset

Battlefield 5 12−14
+0%
12−14
+0%
Counter-Strike 2 12−14
+0%
12−14
+0%
Cyberpunk 2077 10−11
+0%
10−11
+0%
Dota 2 28
+0%
28
+0%
Far Cry 5 21−24
+0%
21−24
+0%
Forza Horizon 4 15
+0%
15
+0%
Forza Horizon 5 8−9
+0%
8−9
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 35−40
+0%
35−40
+0%
Valorant 12−14
+0%
12−14
+0%

1440p
High Preset

Dota 2 4
+0%
4
+0%
Grand Theft Auto V 4
+0%
4
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 30−33
+0%
30−33
+0%
Red Dead Redemption 2 3−4
+0%
3−4
+0%
World of Tanks 30−35
+0%
30−35
+0%

1440p
Ultra Preset

Battlefield 5 6−7
+0%
6−7
+0%
Counter-Strike 2 3−4
+0%
3−4
+0%
Cyberpunk 2077 5−6
+0%
5−6
+0%
Far Cry 5 10−11
+0%
10−11
+0%
Forza Horizon 4 6−7
+0%
6−7
+0%
Forza Horizon 5 6−7
+0%
6−7
+0%
Metro Exodus 2−3
+0%
2−3
+0%
The Witcher 3: Wild Hunt 7−8
+0%
7−8
+0%
Valorant 12−14
+0%
12−14
+0%

4K
High Preset

Counter-Strike 2 10−11
+0%
10−11
+0%
Dota 2 16−18
+0%
16−18
+0%
Grand Theft Auto V 16−18
+0%
16−18
+0%
Metro Exodus 0−1 0−1
PLAYERUNKNOWN'S BATTLEGROUNDS 12−14
+0%
12−14
+0%
Red Dead Redemption 2 3−4
+0%
3−4
+0%
The Witcher 3: Wild Hunt 16−18
+0%
16−18
+0%
World of Tanks 12
+0%
12
+0%

4K
Ultra Preset

Battlefield 5 4−5
+0%
4−5
+0%
Counter-Strike 2 10−11
+0%
10−11
+0%
Cyberpunk 2077 2−3
+0%
2−3
+0%
Dota 2 12
+0%
12
+0%
Far Cry 5 5−6
+0%
5−6
+0%
Fortnite 3−4
+0%
3−4
+0%
Forza Horizon 4 3−4
+0%
3−4
+0%
Forza Horizon 5 2−3
+0%
2−3
+0%
Valorant 4−5
+0%
4−5
+0%

This is how ATI HD 3850 and Iris Plus Graphics 655 compete in popular games:

  • Iris Plus Graphics 655 is 375% faster in 1080p
  • Iris Plus Graphics 655 is 400% faster in 1440p
  • Iris Plus Graphics 655 is 400% faster in 4K

All in all, in popular games:

  • there's a draw in 64 tests (100%)

Pros & cons summary


Performance score 0.98 4.33
Recency 19 November 2007 3 April 2018
Chip lithography 55 nm 14 nm
Power consumption (TDP) 75 Watt 15 Watt

Iris Plus Graphics 655 has a 341.8% higher aggregate performance score, an age advantage of 10 years, a 292.9% more advanced lithography process, and 400% lower power consumption.

The Iris Plus Graphics 655 is our recommended choice as it beats the Radeon HD 3850 in performance tests.

Be aware that Radeon HD 3850 is a desktop card while Iris Plus Graphics 655 is a notebook one.


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

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ATI Radeon HD 3850
Radeon HD 3850
Intel Iris Plus Graphics 655
Iris Plus Graphics 655

Other comparisons

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Community ratings

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


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Questions & comments

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