Iris Plus Graphics 655 vs ATI Radeon HD 3850

Place in the ranking	1104	663
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.04	no data
Power efficiency	0.93	20.55
Architecture	TeraScale (2005−2013)	Generation 9.5 (2016−2020)
GPU code name	RV670	Coffee Lake GT3e
Market segment	Desktop	Laptop
Release date	19 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 cores	320	384
Core clock speed	668 MHz	300 MHz
Boost clock speed	no data	1050 MHz
Number of transistors	666 million	189 million
Manufacturing process technology	55 nm	14 nm+++
Power consumption (TDP)	75 Watt	15 Watt
Texture fill rate	10.69	50.40
Floating-point processing power	0.4275 TFLOPS	0.8064 TFLOPS
ROPs	16	6
TMUs	16	48

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).

Interface	PCIe 2.0 x16	Ring Bus
Length	208 mm	no data
Width	1-slot	no data
Supplementary power connectors	1x 6-pin	no 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 type	GDDR3	System Shared
Maximum RAM amount	1 GB	System Shared
Memory bus width	256 Bit	System Shared
Memory clock speed	830 MHz	System Shared
Memory bandwidth	53.12 GB/s	no 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 Connectors

2x DVI, 1x S-Video

Portable Device Dependent

Supported technologies

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

Quick Sync

no data

API compatibility

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

DirectX	10.1 (10_1)	12 (12_1)
Shader Model	4.1	6.4
OpenGL	3.3	4.6
OpenCL	N/A	3.0
Vulkan	N/A	1.3

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 1.02

Iris Plus Graphics 655 4.49
+340%

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 1731
+342%

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 HD	4−5 −400%	20 +400%
1440p	2−3 −400%	10 +400%
4K	2−3 −500%	12 +500%

Cost per frame, $

1080p	44.75	no data
1440p	89.50	no data
4K	89.50	no 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 3850 and Iris Plus Graphics 655 compete in popular games:

Iris Plus Graphics 655 is 400% faster in 1080p
Iris Plus Graphics 655 is 400% faster in 1440p
Iris Plus Graphics 655 is 500% faster in 4K

All in all, in popular games:

there's a draw in 65 tests (100%)

Pros & cons summary

Performance score	1.02	4.49
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 340.2% 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.