Radeon HD 8670M vs GeForce GTX 660

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Aggregate performance score

We've compared GeForce GTX 660 with Radeon HD 8670M, including specs and performance data.

GTX 660
2012
2 GB GDDR5, 140 Watt
10.44
+673%

GTX 660 outperforms HD 8670M by a whopping 673% based on our aggregate benchmark results.

Primary details

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

Place in the ranking4461032
Place by popularity77not in top-100
Cost-effectiveness evaluation3.46no data
Power efficiency5.11no data
ArchitectureKepler (2012−2018)GCN 1.0 (2011−2020)
GPU code nameGK106Sun
Market segmentDesktopLaptop
Release date6 September 2012 (12 years ago)1 March 2013 (11 years ago)
Launch price (MSRP)$229 no data

Cost-effectiveness evaluation

The higher the performance-to-price ratio, the better. We use the manufacturer's recommended prices for comparison.

no data

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 cores960320
Core clock speed980 MHz925 MHz
Boost clock speed1033 MHz975 MHz
Number of transistors2,540 million690 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)140 Wattno data
Texture fill rate82.5619.50
Floating-point processing power1.981 TFLOPS0.624 TFLOPS
ROPs248
TMUs8020

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 sizeno datamedium sized
Bus supportPCI Express 3.0no data
InterfacePCIe 3.0 x16PCIe 3.0 x8
Length241 mmno data
Height4.376" (11.1 cm)no data
Width2-slotno data
Supplementary power connectors1x 6-pinno data
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 amount2 GB2 GB
Memory bus width192-bit GDDR564 Bit
Memory clock speed6.0 GB/s1000 MHz
Memory bandwidth144.2 GB/s16 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 ConnectorsOne Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPortNo outputs
Multi monitor support4 displaysno data
HDMI+-
HDCP+-
Maximum VGA resolution2048x1536no data
Audio input for HDMIInternalno data

Supported technologies

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

3D Blu-Ray+-
3D Gaming+-
3D Vision+-

API and SDK compatibility

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

DirectX12 (11_0)12 (11_1)
Shader Model5.15.1
OpenGL4.34.6
OpenCL1.21.2
Vulkan1.1.1261.2.131
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.

GTX 660 10.44
+673%
HD 8670M 1.35

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 660 4014
+672%
HD 8670M 520

3DMark Fire Strike Graphics

Fire Strike is a DirectX 11 benchmark for gaming PCs. It features two separate tests displaying a fight between a humanoid and a fiery creature made of lava. Using 1920x1080 resolution, Fire Strike shows off some realistic graphics and is quite taxing on hardware.

GTX 660 5040
+508%
HD 8670M 829

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 HD47
+262%
13
−262%

Cost per frame, $

1080p4.87no data

FPS performance in popular games

Full HD
Low Preset

Atomic Heart 4−5
+0%
4−5
+0%
Counter-Strike 2 8−9
+0%
8−9
+0%
Cyberpunk 2077 3−4
+0%
3−4
+0%

Full HD
Medium Preset

Atomic Heart 4−5
+0%
4−5
+0%
Battlefield 5 1−2
+0%
1−2
+0%
Counter-Strike 2 8−9
+0%
8−9
+0%
Cyberpunk 2077 3−4
+0%
3−4
+0%
Fortnite 3−4
+0%
3−4
+0%
Forza Horizon 4 7−8
+0%
7−8
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 9−10
+0%
9−10
+0%
Valorant 30−35
+0%
30−35
+0%

Full HD
High Preset

Atomic Heart 4−5
+0%
4−5
+0%
Battlefield 5 1−2
+0%
1−2
+0%
Counter-Strike 2 8−9
+0%
8−9
+0%
Counter-Strike: Global Offensive 27−30
+0%
27−30
+0%
Cyberpunk 2077 3−4
+0%
3−4
+0%
Dota 2 16−18
+0%
16−18
+0%
Fortnite 3−4
+0%
3−4
+0%
Forza Horizon 4 7−8
+0%
7−8
+0%
Grand Theft Auto V 1−2
+0%
1−2
+0%
Metro Exodus 1−2
+0%
1−2
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 9−10
+0%
9−10
+0%
The Witcher 3: Wild Hunt 6−7
+0%
6−7
+0%
Valorant 30−35
+0%
30−35
+0%

Full HD
Ultra Preset

Battlefield 5 1−2
+0%
1−2
+0%
Counter-Strike 2 8−9
+0%
8−9
+0%
Cyberpunk 2077 3−4
+0%
3−4
+0%
Dota 2 16−18
+0%
16−18
+0%
Forza Horizon 4 7−8
+0%
7−8
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 9−10
+0%
9−10
+0%
The Witcher 3: Wild Hunt 6−7
+0%
6−7
+0%
Valorant 30−35
+0%
30−35
+0%

Full HD
Epic Preset

Fortnite 3−4
+0%
3−4
+0%

1440p
High Preset

Counter-Strike 2 1−2
+0%
1−2
+0%
Counter-Strike: Global Offensive 8−9
+0%
8−9
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 8−9
+0%
8−9
+0%
Valorant 5−6
+0%
5−6
+0%

1440p
Ultra Preset

Cyberpunk 2077 1−2
+0%
1−2
+0%
Far Cry 5 1−2
+0%
1−2
+0%
Forza Horizon 4 3−4
+0%
3−4
+0%
The Witcher 3: Wild Hunt 3−4
+0%
3−4
+0%

1440p
Epic Preset

Fortnite 2−3
+0%
2−3
+0%

4K
High Preset

Atomic Heart 1−2
+0%
1−2
+0%
Grand Theft Auto V 14−16
+0%
14−16
+0%
Valorant 7−8
+0%
7−8
+0%

4K
Ultra Preset

Cyberpunk 2077 0−1 0−1
Dota 2 1−2
+0%
1−2
+0%
Far Cry 5 2−3
+0%
2−3
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 2−3
+0%
2−3
+0%

4K
Epic Preset

Fortnite 2−3
+0%
2−3
+0%

This is how GTX 660 and HD 8670M compete in popular games:

  • GTX 660 is 262% faster in 1080p

All in all, in popular games:

  • there's a draw in 49 tests (100%)

Pros & cons summary


Performance score 10.44 1.35
Recency 6 September 2012 1 March 2013

GTX 660 has a 673.3% higher aggregate performance score.

HD 8670M, on the other hand, has an age advantage of 5 months.

The GeForce GTX 660 is our recommended choice as it beats the Radeon HD 8670M in performance tests.

Be aware that GeForce GTX 660 is a desktop card while Radeon HD 8670M is a notebook one.

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NVIDIA GeForce GTX 660
GeForce GTX 660
AMD Radeon HD 8670M
Radeon HD 8670M

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.


3.7 4418 votes

Rate GeForce GTX 660 on a scale of 1 to 5:

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3.4 248 votes

Rate Radeon HD 8670M on a scale of 1 to 5:

  • 1
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  • 3
  • 4
  • 5

Questions & comments

Here you can give us your opinion about GeForce GTX 660 or Radeon HD 8670M, agree or disagree with our ratings, or report errors or inaccuracies on the site.