Iris Pro Graphics P6300 vs GeForce GTX 660M

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Aggregate performance score

We've compared GeForce GTX 660M with Iris Pro Graphics P6300, including specs and performance data.

GTX 660M
2012
1 GB GDDR5, 50 Watt
3.75

Iris Pro Graphics P6300 outperforms GTX 660M by a moderate 10% based on our aggregate benchmark results.

Primary details

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

Place in the ranking703684
Place by popularitynot in top-100not in top-100
Power efficiency5.1819.08
ArchitectureKepler (2012−2018)Generation 8.0 (2014−2015)
GPU code nameGK107Broadwell GT3e
Market segmentLaptopDesktop
Release date22 March 2012 (12 years ago)5 September 2014 (10 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 speed835 MHz300 MHz
Boost clock speed950 MHz800 MHz
Number of transistors1,270 million189 million
Manufacturing process technology28 nm14 nm
Power consumption (TDP)50 Watt15 Watt
Texture fill rate30.4038.40
Floating-point processing power0.7296 TFLOPS0.6144 TFLOPS
ROPs166
TMUs3248

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).

Laptop sizelargeno data
Bus supportPCI Express 2.0, PCI Express 3.0no data
InterfaceMXM-B (3.0)IGP
Widthno dataIGP
SLI options+-

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 width128bitSystem Shared
Memory clock speed2000 MHzSystem Shared
Memory bandwidth64.0 GB/sno data
Shared memory-no 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 outputsNo outputs
HDMI+-
HDCP+-
Maximum VGA resolutionUp to 2048x1536no data

Supported technologies

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

Optimus+-

API compatibility

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

DirectX12 API12 (11_1)
Shader Model5.15.1
OpenGL4.54.4
OpenCL1.12.0
Vulkan1.1.1261.1.80
CUDA+-

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.

GTX 660M 3.75
Iris Pro Graphics P6300 4.14
+10.4%

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.

GTX 660M 1445
Iris Pro Graphics P6300 1599
+10.7%

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:

900p32
−9.4%
35−40
+9.4%
Full HD35
+0%
35−40
+0%
1200p38
−5.3%
40−45
+5.3%

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
−9.1%
12−14
+9.1%
Assassin's Creed Valhalla 3−4
+0%
3−4
+0%
Battlefield 5 8−9
+0%
8−9
+0%
Call of Duty: Modern Warfare 8−9
+0%
8−9
+0%
Cyberpunk 2077 7−8
+0%
7−8
+0%
Far Cry 5 8−9
+0%
8−9
+0%
Far Cry New Dawn 10−11
+0%
10−11
+0%
Forza Horizon 4 21−24
−9.1%
24−27
+9.1%
Hitman 3 9−10
+0%
9−10
+0%
Horizon Zero Dawn 24−27
−3.8%
27−30
+3.8%
Metro Exodus 7−8
+0%
7−8
+0%
Red Dead Redemption 2 9−10
+0%
9−10
+0%
Shadow of the Tomb Raider 14−16
+0%
14−16
+0%
Watch Dogs: Legion 40−45
−7.1%
45−50
+7.1%

Full HD
High Preset

Assassin's Creed Odyssey 10−12
−9.1%
12−14
+9.1%
Assassin's Creed Valhalla 3−4
+0%
3−4
+0%
Battlefield 5 8−9
+0%
8−9
+0%
Call of Duty: Modern Warfare 8−9
+0%
8−9
+0%
Cyberpunk 2077 7−8
+0%
7−8
+0%
Far Cry 5 8−9
+0%
8−9
+0%
Far Cry New Dawn 10−11
+0%
10−11
+0%
Forza Horizon 4 21−24
−9.1%
24−27
+9.1%
Hitman 3 9−10
+0%
9−10
+0%
Horizon Zero Dawn 24−27
−3.8%
27−30
+3.8%
Metro Exodus 7−8
+0%
7−8
+0%
Red Dead Redemption 2 9−10
+0%
9−10
+0%
Shadow of the Tomb Raider 14−16
+0%
14−16
+0%
The Witcher 3: Wild Hunt 14−16
−6.7%
16−18
+6.7%
Watch Dogs: Legion 40−45
−7.1%
45−50
+7.1%

Full HD
Ultra Preset

Assassin's Creed Odyssey 10−12
−9.1%
12−14
+9.1%
Assassin's Creed Valhalla 3−4
+0%
3−4
+0%
Call of Duty: Modern Warfare 8−9
+0%
8−9
+0%
Cyberpunk 2077 7−8
+0%
7−8
+0%
Far Cry 5 8−9
+0%
8−9
+0%
Forza Horizon 4 21−24
−9.1%
24−27
+9.1%
Hitman 3 9−10
+0%
9−10
+0%
Horizon Zero Dawn 24−27
−3.8%
27−30
+3.8%
Shadow of the Tomb Raider 14−16
+0%
14−16
+0%
The Witcher 3: Wild Hunt 14−16
−6.7%
16−18
+6.7%
Watch Dogs: Legion 40−45
−7.1%
45−50
+7.1%

Full HD
Epic Preset

Red Dead Redemption 2 9−10
+0%
9−10
+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 3−4
+0%
3−4
+0%
Call of Duty: Modern Warfare 3−4
+0%
3−4
+0%
Cyberpunk 2077 2−3
+0%
2−3
+0%
Far Cry 5 4−5
+0%
4−5
+0%
Forza Horizon 4 3−4
+0%
3−4
+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 21−24
−4.3%
24−27
+4.3%

1440p
Epic Preset

Red Dead Redemption 2 7−8
+0%
7−8
+0%

4K
High Preset

Battlefield 5 2−3
+0%
2−3
+0%
Far Cry New Dawn 2−3
+0%
2−3
+0%
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 GTX 660M and Iris Pro Graphics P6300 compete in popular games:

  • Iris Pro Graphics P6300 is 9% faster in 900p
  • A tie in 1080p
  • Iris Pro Graphics P6300 is 5% faster in 1200p

Pros & cons summary


Performance score 3.75 4.14
Recency 22 March 2012 5 September 2014
Chip lithography 28 nm 14 nm
Power consumption (TDP) 50 Watt 15 Watt

Iris Pro Graphics P6300 has a 10.4% higher aggregate performance score, an age advantage of 2 years, a 100% more advanced lithography process, and 233.3% lower power consumption.

The Iris Pro Graphics P6300 is our recommended choice as it beats the GeForce GTX 660M in performance tests.

Be aware that GeForce GTX 660M is a notebook card while Iris Pro Graphics P6300 is a desktop 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.


NVIDIA GeForce GTX 660M
GeForce GTX 660M
Intel Iris Pro Graphics P6300
Iris Pro Graphics P6300

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.


3.6 210 votes

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3.9 13 votes

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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.