Radeon HD 6850M vs GeForce GTX 660M

Aggregate performance score

We've compared GeForce GTX 660M and Radeon HD 6850M, covering specs and all relevant benchmarks.

GTX 660M
2012
1 GB GDDR5, 50 Watt
3.74
+87%

GTX 660M outperforms HD 6850M by an impressive 87% based on our aggregate benchmark results.

Primary details

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

Place in the ranking700882
Place by popularitynot in top-100not in top-100
Power efficiency5.182.77
ArchitectureKepler (2012−2018)TeraScale 2 (2009−2015)
GPU code nameGK107Granville
Market segmentLaptopLaptop
Release date22 March 2012 (12 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 cores384800
Core clock speed835 MHz675 MHz
Boost clock speed950 MHzno data
Number of transistors1,270 million1,040 million
Manufacturing process technology28 nm40 nm
Power consumption (TDP)50 Watt50 Watt
Texture fill rate30.4027.00
Floating-point processing power0.7296 TFLOPS1.08 TFLOPS
ROPs1616
TMUs3240

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 sizelargelarge
Bus supportPCI Express 2.0, PCI Express 3.0no data
InterfaceMXM-B (3.0)PCIe 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 typeGDDR5GDDR3
Maximum RAM amount1 GB1 GB
Memory bus width128bit128 Bit
Memory clock speed2000 MHz800 MHz
Memory bandwidth64.0 GB/s25.6 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 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 API11.2 (11_0)
Shader Model5.15.0
OpenGL4.54.4
OpenCL1.11.2
Vulkan1.1.126N/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 660M 3.74
+87%
HD 6850M 2.00

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 660M 2369
+61.2%
HD 6850M 1470

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 660M 10971
+75.7%
HD 6850M 6246

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
+60%
20
−60%
Full HD34
+30.8%
26
−30.8%
1200p38
+111%
18−21
−111%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 7−8
+75%
4−5
−75%

Full HD
Medium Preset

Assassin's Creed Odyssey 10−12
+57.1%
7−8
−57.1%
Assassin's Creed Valhalla 3−4
+200%
1−2
−200%
Battlefield 5 8−9
+700%
1−2
−700%
Call of Duty: Modern Warfare 8−9
+60%
5−6
−60%
Cyberpunk 2077 7−8
+75%
4−5
−75%
Far Cry 5 8−9
+167%
3−4
−167%
Far Cry New Dawn 10−11
+100%
5−6
−100%
Forza Horizon 4 21−24
+175%
8−9
−175%
Hitman 3 9−10
+28.6%
7−8
−28.6%
Horizon Zero Dawn 24−27
+52.9%
16−18
−52.9%
Metro Exodus 7−8
+133%
3−4
−133%
Red Dead Redemption 2 9−10
+125%
4−5
−125%
Shadow of the Tomb Raider 14−16
+40%
10−11
−40%
Watch Dogs: Legion 40−45
+20%
35−40
−20%

Full HD
High Preset

Assassin's Creed Odyssey 10−12
+57.1%
7−8
−57.1%
Assassin's Creed Valhalla 3−4
+200%
1−2
−200%
Battlefield 5 8−9
+700%
1−2
−700%
Call of Duty: Modern Warfare 8−9
+60%
5−6
−60%
Cyberpunk 2077 7−8
+75%
4−5
−75%
Far Cry 5 8−9
+167%
3−4
−167%
Far Cry New Dawn 10−11
+100%
5−6
−100%
Forza Horizon 4 21−24
+175%
8−9
−175%
Hitman 3 9−10
+28.6%
7−8
−28.6%
Horizon Zero Dawn 24−27
+52.9%
16−18
−52.9%
Metro Exodus 7−8
+133%
3−4
−133%
Red Dead Redemption 2 9−10
+125%
4−5
−125%
Shadow of the Tomb Raider 14−16
+40%
10−11
−40%
The Witcher 3: Wild Hunt 14−16
+25%
12−14
−25%
Watch Dogs: Legion 40−45
+20%
35−40
−20%

Full HD
Ultra Preset

Assassin's Creed Odyssey 10−12
+57.1%
7−8
−57.1%
Assassin's Creed Valhalla 3−4
+200%
1−2
−200%
Call of Duty: Modern Warfare 8−9
+60%
5−6
−60%
Cyberpunk 2077 7−8
+75%
4−5
−75%
Far Cry 5 8−9
+167%
3−4
−167%
Forza Horizon 4 21−24
+175%
8−9
−175%
Hitman 3 9−10
+28.6%
7−8
−28.6%
Horizon Zero Dawn 24−27
+52.9%
16−18
−52.9%
Shadow of the Tomb Raider 14−16
+40%
10−11
−40%
The Witcher 3: Wild Hunt 14−16
+25%
12−14
−25%
Watch Dogs: Legion 40−45
+20%
35−40
−20%

Full HD
Epic Preset

Red Dead Redemption 2 9−10
+125%
4−5
−125%

1440p
High Preset

Battlefield 5 7−8
+133%
3−4
−133%
Far Cry New Dawn 6−7
+100%
3−4
−100%

1440p
Ultra Preset

Assassin's Creed Odyssey 3−4
+50%
2−3
−50%
Call of Duty: Modern Warfare 3−4
+200%
1−2
−200%
Cyberpunk 2077 2−3
+100%
1−2
−100%
Far Cry 5 4−5
+100%
2−3
−100%
Forza Horizon 4 3−4
+200%
1−2
−200%
Hitman 3 8−9
+14.3%
7−8
−14.3%
Horizon Zero Dawn 9−10
+50%
6−7
−50%
The Witcher 3: Wild Hunt 3−4
+200%
1−2
−200%
Watch Dogs: Legion 21−24
+109%
10−12
−109%

1440p
Epic Preset

Red Dead Redemption 2 7−8
+40%
5−6
−40%

4K
High Preset

Battlefield 5 2−3
+100%
1−2
−100%
Far Cry New Dawn 2−3
+100%
1−2
−100%
Metro Exodus 0−1 0−1

4K
Ultra Preset

Assassin's Creed Odyssey 3−4
+50%
2−3
−50%
Assassin's Creed Valhalla 2−3
+100%
1−2
−100%
Call of Duty: Modern Warfare 1−2 0−1
Cyberpunk 2077 0−1 0−1
Far Cry 5 2−3
+100%
1−2
−100%
Forza Horizon 4 2−3
+100%
1−2
−100%
Watch Dogs: Legion 1−2 0−1

4K
Epic Preset

Red Dead Redemption 2 5−6
+66.7%
3−4
−66.7%

This is how GTX 660M and HD 6850M compete in popular games:

  • GTX 660M is 60% faster in 900p
  • GTX 660M is 31% faster in 1080p
  • GTX 660M is 111% faster in 1200p

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

  • in Battlefield 5, with 1080p resolution and the Medium Preset, the GTX 660M is 700% faster.

All in all, in popular games:

  • Without exception, GTX 660M surpassed HD 6850M in all 53 of our tests.

Pros & cons summary


Performance score 3.74 2.00
Recency 22 March 2012 4 January 2011
Chip lithography 28 nm 40 nm

GTX 660M has a 87% higher aggregate performance score, an age advantage of 1 year, and a 42.9% more advanced lithography process.

The GeForce GTX 660M is our recommended choice as it beats the Radeon HD 6850M in performance tests.


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

Vote for your favorite

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NVIDIA GeForce GTX 660M
GeForce GTX 660M
AMD Radeon HD 6850M
Radeon HD 6850M

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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3.3 14 votes

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Questions & comments

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