Radeon HD 6630M vs GeForce GTX 675M SLI

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Aggregate performance score

We've compared GeForce GTX 675M SLI and Radeon HD 6630M, covering specs and all relevant benchmarks.

GTX 675M SLI
2011
2 Watt
8.79
+397%

GTX 675M SLI outperforms HD 6630M by a whopping 397% based on our aggregate benchmark results.

Primary details

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

Place in the ranking481925
Place by popularitynot in top-100not in top-100
Power efficiency3.235.00
ArchitectureFermi (2010−2014)TeraScale 2 (2009−2015)
GPU code nameN12E-GTX2Whistler
Market segmentLaptopLaptop
Release date6 January 2011 (13 years ago)4 January 2011 (13 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 cores768480
Core clock speed620 MHz500 MHz
Number of transistorsno data716 million
Manufacturing process technology40 nm40 nm
Power consumption (TDP)2x 100 Watt26 Watt
Texture fill rateno data12.00
Floating-point processing powerno data0.48 TFLOPS
ROPsno data8
TMUsno data24

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 sizelargemedium sized
Interfaceno dataPCIe 2.0 x16
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 typeGDDR5DDR3
Maximum RAM amountno data1 GB
Memory bus width256 Bit128 Bit
Memory clock speed3000 MHz800 MHz
Memory bandwidthno data25.6 GB/s
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 Connectorsno dataNo outputs

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.

DirectX1111.2 (11_0)
Shader Modelno data5.0
OpenGLno data4.4
OpenCLno data1.2
Vulkan-N/A
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 675M SLI 8.79
+397%
HD 6630M 1.77

3DMark Vantage Performance

3DMark Vantage is an outdated DirectX 10 benchmark using 1280x1024 screen resolution. It taxes the graphics card with two scenes, one depicting a girl escaping some militarized base located within a sea cave, the other displaying a space fleet attack on a defenseless planet. It was discontinued in April 2017, and Time Spy benchmark is now recommended to be used instead.

GTX 675M SLI 18405
+395%
HD 6630M 3720

3DMark 11 Performance GPU

3DMark 11 is an obsolete DirectX 11 benchmark by Futuremark. It used four tests based on two scenes, one being few submarines exploring the submerged wreck of a sunken ship, the other is an abandoned temple deep in the jungle. All the tests are heavy with volumetric lighting and tessellation, and despite being done in 1280x720 resolution, are relatively taxing. Discontinued in January 2020, 3DMark 11 is now superseded by Time Spy.

GTX 675M SLI 6407
+631%
HD 6630M 877

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 HD80−85
+371%
17
−371%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 14−16
+250%
4−5
−250%

Full HD
Medium Preset

Assassin's Creed Odyssey 21−24
+200%
7−8
−200%
Assassin's Creed Valhalla 12−14
+550%
2−3
−550%
Battlefield 5 27−30 0−1
Call of Duty: Modern Warfare 18−20
+260%
5−6
−260%
Cyberpunk 2077 14−16
+250%
4−5
−250%
Far Cry 5 20−22
+567%
3−4
−567%
Far Cry New Dawn 24−27
+525%
4−5
−525%
Forza Horizon 4 55−60
+883%
6−7
−883%
Hitman 3 16−18
+183%
6−7
−183%
Horizon Zero Dawn 50−55
+194%
16−18
−194%
Metro Exodus 27−30
+440%
5−6
−440%
Red Dead Redemption 2 24−27
+700%
3−4
−700%
Shadow of the Tomb Raider 27−30
+222%
9−10
−222%
Watch Dogs: Legion 55−60
+68.6%
35−40
−68.6%

Full HD
High Preset

Assassin's Creed Odyssey 21−24
+200%
7−8
−200%
Assassin's Creed Valhalla 12−14
+550%
2−3
−550%
Battlefield 5 27−30 0−1
Call of Duty: Modern Warfare 18−20
+260%
5−6
−260%
Cyberpunk 2077 14−16
+250%
4−5
−250%
Far Cry 5 20−22
+567%
3−4
−567%
Far Cry New Dawn 24−27
+525%
4−5
−525%
Forza Horizon 4 55−60
+883%
6−7
−883%
Hitman 3 16−18
+183%
6−7
−183%
Horizon Zero Dawn 50−55
+194%
16−18
−194%
Metro Exodus 27−30
+440%
5−6
−440%
Red Dead Redemption 2 24−27
+700%
3−4
−700%
Shadow of the Tomb Raider 27−30
+222%
9−10
−222%
The Witcher 3: Wild Hunt 24−27
+108%
12−14
−108%
Watch Dogs: Legion 55−60
+68.6%
35−40
−68.6%

Full HD
Ultra Preset

Assassin's Creed Odyssey 21−24
+200%
7−8
−200%
Assassin's Creed Valhalla 12−14
+550%
2−3
−550%
Call of Duty: Modern Warfare 18−20
+260%
5−6
−260%
Cyberpunk 2077 14−16
+250%
4−5
−250%
Far Cry 5 20−22
+567%
3−4
−567%
Forza Horizon 4 55−60
+883%
6−7
−883%
Hitman 3 16−18
+183%
6−7
−183%
Horizon Zero Dawn 50−55
+194%
16−18
−194%
Shadow of the Tomb Raider 27−30
+222%
9−10
−222%
The Witcher 3: Wild Hunt 24−27
+108%
12−14
−108%
Watch Dogs: Legion 55−60
+68.6%
35−40
−68.6%

Full HD
Epic Preset

Red Dead Redemption 2 24−27
+700%
3−4
−700%

1440p
High Preset

Battlefield 5 16−18
+750%
2−3
−750%
Far Cry New Dawn 12−14
+333%
3−4
−333%

1440p
Ultra Preset

Assassin's Creed Odyssey 8−9
+700%
1−2
−700%
Assassin's Creed Valhalla 4−5 0−1
Call of Duty: Modern Warfare 9−10
+800%
1−2
−800%
Cyberpunk 2077 4−5
+300%
1−2
−300%
Far Cry 5 10−11
+400%
2−3
−400%
Forza Horizon 4 35−40
+414%
7−8
−414%
Hitman 3 12−14
+71.4%
7−8
−71.4%
Horizon Zero Dawn 18−20
+260%
5−6
−260%
Metro Exodus 12−14
+500%
2−3
−500%
Shadow of the Tomb Raider 9−10
+800%
1−2
−800%
The Witcher 3: Wild Hunt 8−9
+700%
1−2
−700%
Watch Dogs: Legion 55−60
+522%
9−10
−522%

1440p
Epic Preset

Red Dead Redemption 2 14−16
+200%
5−6
−200%

4K
High Preset

Battlefield 5 8−9
+700%
1−2
−700%
Far Cry New Dawn 6−7
+500%
1−2
−500%
Hitman 3 5−6
+400%
1−2
−400%
Horizon Zero Dawn 30−35
+467%
6−7
−467%
Metro Exodus 6−7
+500%
1−2
−500%
The Witcher 3: Wild Hunt 6−7
+500%
1−2
−500%

4K
Ultra Preset

Assassin's Creed Odyssey 5−6
+150%
2−3
−150%
Assassin's Creed Valhalla 4−5
+300%
1−2
−300%
Call of Duty: Modern Warfare 4−5 0−1
Cyberpunk 2077 1−2 0−1
Far Cry 5 5−6
+400%
1−2
−400%
Forza Horizon 4 10−11
+400%
2−3
−400%
Shadow of the Tomb Raider 5−6
+400%
1−2
−400%
Watch Dogs: Legion 3−4 0−1

4K
Epic Preset

Red Dead Redemption 2 9−10
+200%
3−4
−200%

This is how GTX 675M SLI and HD 6630M compete in popular games:

  • GTX 675M SLI is 371% faster in 1080p

Here's the range of performance differences observed across popular games:

  • in Forza Horizon 4, with 1080p resolution and the Medium Preset, the GTX 675M SLI is 883% faster.

All in all, in popular games:

  • Without exception, GTX 675M SLI surpassed HD 6630M in all 51 of our tests.

Pros & cons summary


Performance score 8.79 1.77
Power consumption (TDP) 2 Watt 26 Watt

GTX 675M SLI has a 396.6% higher aggregate performance score, and 1200% lower power consumption.

The GeForce GTX 675M SLI is our recommended choice as it beats the Radeon HD 6630M in performance tests.


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

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NVIDIA GeForce GTX 675M SLI
GeForce GTX 675M SLI
AMD Radeon HD 6630M
Radeon HD 6630M

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.


2.5 4 votes

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3.5 42 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.