Radeon 660M vs HD 8770M

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Aggregate performance score

We've compared Radeon HD 8770M and Radeon 660M, covering specs and all relevant benchmarks.

HD 8770M
2013
2 GB GDDR5
3.00

660M outperforms HD 8770M by a whopping 129% based on our aggregate benchmark results.

Primary details

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

Place in the ranking778560
Place by popularitynot in top-100not in top-100
Power efficiencyno data11.87
ArchitectureGCN 1.0 (2011−2020)RDNA 2.0 (2020−2024)
GPU code nameMarsRembrandt+
Market segmentLaptopLaptop
Release date1 April 2013 (11 years ago)3 January 2023 (2 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 speed775 MHz1500 MHz
Boost clock speed825 MHz1900 MHz
Number of transistors950 million13,100 million
Manufacturing process technology28 nm6 nm
Power consumption (TDP)no data40 Watt
Texture fill rate19.8045.60
Floating-point processing power0.6336 TFLOPS1.459 TFLOPS
ROPs816
TMUs2424
Ray Tracing Coresno data6

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 sizemedium sizedno data
InterfacePCIe 3.0 x8PCIe 4.0 x8
Supplementary power connectorsno dataNone

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 amount2 GBSystem Shared
Memory bus width128 BitSystem Shared
Memory clock speed1125 MHzSystem Shared
Memory bandwidth72 GB/sno data
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 outputsPortable Device Dependent

API compatibility

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

DirectX12 (11_1)12 Ultimate (12_2)
Shader Model5.16.7
OpenGL4.64.6
OpenCL1.22.0
Vulkan1.2.1311.3

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.

HD 8770M 3.00
Radeon 660M 6.88
+129%

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.

HD 8770M 1934
Radeon 660M 6743
+249%

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.

HD 8770M 8530
Radeon 660M 23222
+172%

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 HD54
+125%
24
−125%

FPS performance in popular games

Full HD
Low Preset

Counter-Strike 2 10−12
−36.4%
14−16
+36.4%
Cyberpunk 2077 7−8
−243%
24
+243%
Elden Ring 6−7
−267%
22
+267%

Full HD
Medium Preset

Battlefield 5 8−9
−175%
21−24
+175%
Counter-Strike 2 10−12
−36.4%
14−16
+36.4%
Cyberpunk 2077 7−8
−42.9%
10
+42.9%
Forza Horizon 4 14−16
−200%
42
+200%
Metro Exodus 5−6
−540%
32
+540%
Red Dead Redemption 2 10−12
−81.8%
20−22
+81.8%
Valorant 1−2
−3500%
36
+3500%

Full HD
High Preset

Battlefield 5 8−9
−175%
21−24
+175%
Counter-Strike 2 10−12
+0%
11
+0%
Cyberpunk 2077 7−8
+0%
7
+0%
Dota 2 8−9
−338%
35
+338%
Elden Ring 6−7
−267%
22
+267%
Far Cry 5 16−18
−70.6%
29
+70.6%
Fortnite 16−18
−141%
40−45
+141%
Forza Horizon 4 14−16
−136%
33
+136%
Grand Theft Auto V 8−9
−213%
25
+213%
Metro Exodus 5−6
−300%
20
+300%
PLAYERUNKNOWN'S BATTLEGROUNDS 27−30
−107%
55−60
+107%
Red Dead Redemption 2 10−12
−81.8%
20−22
+81.8%
The Witcher 3: Wild Hunt 10−12
−90.9%
21−24
+90.9%
Valorant 1−2
−1800%
19
+1800%
World of Tanks 50−55
−102%
100−110
+102%

Full HD
Ultra Preset

Battlefield 5 8−9
−175%
21−24
+175%
Counter-Strike 2 10−12
−36.4%
14−16
+36.4%
Cyberpunk 2077 7−8
−100%
14−16
+100%
Dota 2 8−9
−500%
48
+500%
Far Cry 5 16−18
−82.4%
30−35
+82.4%
Forza Horizon 4 14−16
−100%
28
+100%
PLAYERUNKNOWN'S BATTLEGROUNDS 27−30
−107%
55−60
+107%
Valorant 1−2
−2100%
21−24
+2100%

1440p
High Preset

Dota 2 1−2
−600%
7−8
+600%
Elden Ring 2−3
−350%
9−10
+350%
Grand Theft Auto V 1−2
−600%
7−8
+600%
PLAYERUNKNOWN'S BATTLEGROUNDS 21−24
−81%
35−40
+81%
Red Dead Redemption 2 2−3
−150%
5−6
+150%
World of Tanks 21−24
−138%
50−55
+138%

1440p
Ultra Preset

Battlefield 5 3−4
−300%
12−14
+300%
Counter-Strike 2 9−10
−11.1%
10−11
+11.1%
Cyberpunk 2077 3−4
−66.7%
5−6
+66.7%
Far Cry 5 7−8
−100%
14−16
+100%
Forza Horizon 4 1−2
−1200%
12−14
+1200%
The Witcher 3: Wild Hunt 4−5
−100%
8−9
+100%
Valorant 10−11
−80%
18−20
+80%

4K
High Preset

Dota 2 16−18
−12.5%
18−20
+12.5%
Elden Ring 1−2
−300%
4−5
+300%
Grand Theft Auto V 14−16
−13.3%
16−18
+13.3%
PLAYERUNKNOWN'S BATTLEGROUNDS 8−9
−150%
20−22
+150%
Red Dead Redemption 2 2−3
−100%
4−5
+100%
The Witcher 3: Wild Hunt 14−16
−13.3%
16−18
+13.3%

4K
Ultra Preset

Battlefield 5 2−3
−200%
6−7
+200%
Cyberpunk 2077 1−2
−100%
2−3
+100%
Dota 2 16−18
−12.5%
18−20
+12.5%
Far Cry 5 3−4
−167%
8−9
+167%
Fortnite 2−3
−200%
6−7
+200%
Forza Horizon 4 0−1 7−8
Valorant 3−4
−100%
6−7
+100%

1440p
Ultra Preset

Metro Exodus 10−11
+0%
10−11
+0%

4K
High Preset

Counter-Strike 2 1−2
+0%
1−2
+0%
Metro Exodus 2−3
+0%
2−3
+0%

4K
Ultra Preset

Counter-Strike 2 1−2
+0%
1−2
+0%

This is how HD 8770M and Radeon 660M compete in popular games:

  • HD 8770M is 125% faster in 1080p

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

  • in Valorant, with 1080p resolution and the Medium Preset, the Radeon 660M is 3500% faster.

All in all, in popular games:

  • Radeon 660M is ahead in 56 tests (90%)
  • there's a draw in 6 tests (10%)

Pros & cons summary


Performance score 3.00 6.88
Recency 1 April 2013 3 January 2023
Chip lithography 28 nm 6 nm

Radeon 660M has a 129.3% higher aggregate performance score, an age advantage of 9 years, and a 366.7% more advanced lithography process.

The Radeon 660M is our recommended choice as it beats the Radeon HD 8770M 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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AMD Radeon HD 8770M
Radeon HD 8770M
AMD Radeon 660M
Radeon 660M

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.


3.3 3 votes

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3.6 335 votes

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Questions & comments

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