Iris Plus Graphics 645 vs ATI Radeon HD 3450

VS

Aggregate performance score

We've compared Radeon HD 3450 with Iris Plus Graphics 645, including specs and performance data.

ATI HD 3450
2007
256 MB DDR2, 25 Watt
0.31

Iris Plus Graphics 645 outperforms ATI HD 3450 by a whopping 1339% based on our aggregate benchmark results.

Primary details

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

Place in the ranking1315665
Place by popularitynot in top-100not in top-100
Power efficiency0.8520.39
ArchitectureTeraScale (2005−2013)Generation 9.5 (2016−2020)
GPU code nameRV620Coffee Lake GT3e
Market segmentDesktopLaptop
Release date10 December 2007 (17 years ago)7 October 2019 (5 years ago)

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 cores40384
Core clock speed600 MHz300 MHz
Boost clock speedno data1050 MHz
Number of transistors181 millionno data
Manufacturing process technology55 nm14 nm+++
Power consumption (TDP)25 Watt15 Watt
Texture fill rate2.40050.40
Floating-point processing power0.048 TFLOPS0.8064 TFLOPS
ROPs46
TMUs448

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
Width1-slotno data
Supplementary power connectorsNoneno 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 typeDDR2System Shared
Maximum RAM amount256 MBSystem Shared
Memory bus width64 BitSystem Shared
Memory clock speed500 MHzSystem Shared
Memory bandwidth8 GB/sno data
Shared memoryno data+

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 Connectors1x DVI, 1x VGA, 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 3450 0.31
Iris Plus Graphics 645 4.46
+1339%

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 3450 121
Iris Plus Graphics 645 1716
+1318%

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 HD1−2
−2500%
26
+2500%

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 10−12
+0%
10−12
+0%
Assassin's Creed Valhalla 3−4
+0%
3−4
+0%
Battlefield 5 9−10
+0%
9−10
+0%
Call of Duty: Modern Warfare 9−10
+0%
9−10
+0%
Cyberpunk 2077 7−8
+0%
7−8
+0%
Far Cry 5 8−9
+0%
8−9
+0%
Far Cry New Dawn 10−12
+0%
10−12
+0%
Forza Horizon 4 24−27
+0%
24−27
+0%
Hitman 3 9−10
+0%
9−10
+0%
Horizon Zero Dawn 27−30
+0%
27−30
+0%
Metro Exodus 8−9
+0%
8−9
+0%
Red Dead Redemption 2 10−11
+0%
10−11
+0%
Shadow of the Tomb Raider 14−16
+0%
14−16
+0%
Watch Dogs: Legion 40−45
+0%
40−45
+0%

Full HD
High Preset

Assassin's Creed Odyssey 10−12
+0%
10−12
+0%
Assassin's Creed Valhalla 3−4
+0%
3−4
+0%
Battlefield 5 9−10
+0%
9−10
+0%
Call of Duty: Modern Warfare 9−10
+0%
9−10
+0%
Cyberpunk 2077 7−8
+0%
7−8
+0%
Far Cry 5 8−9
+0%
8−9
+0%
Far Cry New Dawn 10−12
+0%
10−12
+0%
Forza Horizon 4 24−27
+0%
24−27
+0%
Hitman 3 9−10
+0%
9−10
+0%
Horizon Zero Dawn 27−30
+0%
27−30
+0%
Metro Exodus 8−9
+0%
8−9
+0%
Red Dead Redemption 2 10−11
+0%
10−11
+0%
Shadow of the Tomb Raider 14−16
+0%
14−16
+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 10−12
+0%
10−12
+0%
Assassin's Creed Valhalla 3−4
+0%
3−4
+0%
Call of Duty: Modern Warfare 9−10
+0%
9−10
+0%
Cyberpunk 2077 7−8
+0%
7−8
+0%
Far Cry 5 8−9
+0%
8−9
+0%
Forza Horizon 4 24−27
+0%
24−27
+0%
Hitman 3 9−10
+0%
9−10
+0%
Horizon Zero Dawn 27−30
+0%
27−30
+0%
Shadow of the Tomb Raider 14−16
+0%
14−16
+0%
The Witcher 3: Wild Hunt 16−18
+0%
16−18
+0%
Watch Dogs: Legion 40−45
+0%
40−45
+0%

Full HD
Epic Preset

Red Dead Redemption 2 10−11
+0%
10−11
+0%

1440p
High Preset

Battlefield 5 7−8
+0%
7−8
+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 4−5
+0%
4−5
+0%
Hitman 3 8−9
+0%
8−9
+0%
Horizon Zero Dawn 9−10
+0%
9−10
+0%
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 2−3
+0%
2−3
+0%
Far Cry New Dawn 2−3
+0%
2−3
+0%
Hitman 3 0−1 0−1
Metro Exodus 0−1 0−1

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 1−2
+0%
1−2
+0%
Cyberpunk 2077 0−1 0−1
Far Cry 5 2−3
+0%
2−3
+0%
Forza Horizon 4 2−3
+0%
2−3
+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 3450 and Iris Plus Graphics 645 compete in popular games:

  • Iris Plus Graphics 645 is 2500% faster in 1080p

All in all, in popular games:

  • there's a draw in 63 tests (100%)

Pros & cons summary


Performance score 0.31 4.46
Recency 10 December 2007 7 October 2019
Chip lithography 55 nm 14 nm
Power consumption (TDP) 25 Watt 15 Watt

Iris Plus Graphics 645 has a 1338.7% higher aggregate performance score, an age advantage of 11 years, a 292.9% more advanced lithography process, and 66.7% lower power consumption.

The Iris Plus Graphics 645 is our recommended choice as it beats the Radeon HD 3450 in performance tests.

Be aware that Radeon HD 3450 is a desktop card while Iris Plus Graphics 645 is a notebook one.


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 3450
Radeon HD 3450
Intel Iris Plus Graphics 645
Iris Plus Graphics 645

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.


3 130 votes

Rate Radeon HD 3450 on a scale of 1 to 5:

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2.9 121 vote

Rate Iris Plus Graphics 645 on a scale of 1 to 5:

  • 1
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  • 5

Questions & comments

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