Iris Plus Graphics 645 vs Iris Pro Graphics P6300

VS

Aggregate performance score

We've compared Iris Pro Graphics P6300 with Iris Plus Graphics 645, including specs and performance data.

Iris Pro Graphics P6300
2014
15 Watt
4.15

Iris Plus Graphics 645 outperforms Iris Pro Graphics P6300 by a small 7% based on our aggregate benchmark results.

Primary details

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

Place in the ranking690667
Place by popularitynot in top-100not in top-100
Power efficiency19.0820.51
ArchitectureGeneration 8.0 (2014−2015)Generation 9.5 (2016−2020)
GPU code nameBroadwell GT3eCoffee Lake GT3e
Market segmentDesktopLaptop
Release date5 September 2014 (10 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 cores384384
Core clock speed300 MHz300 MHz
Boost clock speed800 MHz1050 MHz
Number of transistors189 millionno data
Manufacturing process technology14 nm14 nm+++
Power consumption (TDP)15 Watt15 Watt
Texture fill rate38.4050.40
Floating-point processing power0.6144 TFLOPS0.8064 TFLOPS
ROPs66
TMUs4848

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).

InterfaceIGPRing Bus
WidthIGPno 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 typeSystem SharedSystem Shared
Maximum RAM amountSystem SharedSystem Shared
Memory bus widthSystem SharedSystem Shared
Memory clock speedSystem SharedSystem Shared
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 ConnectorsNo outputsPortable 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.

DirectX12 (11_1)12 (12_1)
Shader Model5.16.4
OpenGL4.44.6
OpenCL2.03.0
Vulkan1.1.801.3

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.

Iris Pro Graphics P6300 4.15
Iris Plus Graphics 645 4.46
+7.5%

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.

Iris Pro Graphics P6300 1596
Iris Plus Graphics 645 1716
+7.5%

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 HD21−24
−19%
25
+19%

FPS performance in popular games

Full HD
Low Preset

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

Full HD
Medium Preset

Battlefield 5 12−14
+0%
12−14
+0%
Counter-Strike 2 10−11
+0%
10−11
+0%
Cyberpunk 2077 10−11
+0%
10−11
+0%
Forza Horizon 4 18−20
+0%
18−20
+0%
Forza Horizon 5 8−9
+0%
8−9
+0%
Metro Exodus 10−11
+0%
10−11
+0%
Red Dead Redemption 2 14−16
+0%
14−16
+0%
Valorant 10−12
+0%
10−12
+0%

Full HD
High Preset

Battlefield 5 12−14
+0%
12−14
+0%
Counter-Strike 2 10−11
+0%
10−11
+0%
Cyberpunk 2077 10−11
+0%
10−11
+0%
Dota 2 10
+0%
10
+0%
Far Cry 5 23
+0%
23
+0%
Fortnite 24−27
+0%
24−27
+0%
Forza Horizon 4 18−20
+0%
18−20
+0%
Forza Horizon 5 8−9
+0%
8−9
+0%
Grand Theft Auto V 14−16
+0%
14−16
+0%
Metro Exodus 10−11
+0%
10−11
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 35−40
+0%
35−40
+0%
Red Dead Redemption 2 14−16
+0%
14−16
+0%
The Witcher 3: Wild Hunt 14−16
+0%
14−16
+0%
Valorant 10−12
+0%
10−12
+0%
World of Tanks 70−75
+0%
70−75
+0%

Full HD
Ultra Preset

Battlefield 5 12−14
+0%
12−14
+0%
Counter-Strike 2 10−11
+0%
10−11
+0%
Cyberpunk 2077 10−11
+0%
10−11
+0%
Dota 2 27
+0%
27
+0%
Far Cry 5 21−24
+0%
21−24
+0%
Forza Horizon 4 18−20
+0%
18−20
+0%
Forza Horizon 5 8−9
+0%
8−9
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 35−40
+0%
35−40
+0%
Valorant 10−12
+0%
10−12
+0%

1440p
High Preset

Dota 2 4−5
+0%
4−5
+0%
Grand Theft Auto V 4−5
+0%
4−5
+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 30−35
+0%
30−35
+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

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%

4K
Ultra Preset

Battlefield 5 4−5
+0%
4−5
+0%
Cyberpunk 2077 2−3
+0%
2−3
+0%
Dota 2 16−18
+0%
16−18
+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 Iris Pro Graphics P6300 and Iris Plus Graphics 645 compete in popular games:

  • Iris Plus Graphics 645 is 19% faster in 1080p

All in all, in popular games:

  • there's a draw in 61 test (100%)

Pros & cons summary


Performance score 4.15 4.46
Recency 5 September 2014 7 October 2019

Iris Plus Graphics 645 has a 7.5% higher aggregate performance score, and an age advantage of 5 years.

Given the minimal performance differences, no clear winner can be declared between Iris Pro Graphics P6300 and Iris Plus Graphics 645.

Be aware that Iris Pro Graphics P6300 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.

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Intel Iris Pro Graphics P6300
Iris Pro Graphics P6300
Intel Iris Plus Graphics 645
Iris Plus Graphics 645

Other comparisons

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.


3.9 13 votes

Rate Iris Pro Graphics P6300 on a scale of 1 to 5:

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3 122 votes

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

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Questions & comments

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