Radeon HD 7770M vs GeForce GTX 660

Aggregate performance score

We've compared GeForce GTX 660 with Radeon HD 7770M, including specs and performance data.

GTX 660
2012
2 GB GDDR5, 140 Watt
10.39
+202%

GTX 660 outperforms HD 7770M by a whopping 202% based on our aggregate benchmark results.

Primary details

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

Place in the ranking439728
Place by popularity75not in top-100
Cost-effectiveness evaluation3.42no data
Power efficiency5.097.37
ArchitectureKepler (2012−2018)GCN 1.0 (2011−2020)
GPU code nameGK106Chelsea
Market segmentDesktopLaptop
Release date6 September 2012 (12 years ago)24 April 2012 (12 years ago)
Launch price (MSRP)$229 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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 cores960512
Core clock speed980 MHz675 MHz
Boost clock speed1033 MHzno data
Number of transistors2,540 million1,500 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)140 Watt32 Watt
Texture fill rate82.5621.60
Floating-point processing power1.981 TFLOPS0.6912 TFLOPS
ROPs2416
TMUs8032

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 2.0 x16
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 typeGDDR5GDDR5
Maximum RAM amount2 GB1 GB
Memory bus width192-bit GDDR5128 Bit
Memory clock speed6.0 GB/s1000 MHz
Memory bandwidth144.2 GB/s64 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 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+-

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
+236%
14−16
−236%

Cost per frame, $

1080p4.87no data

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 6−7
+0%
6−7
+0%

Full HD
Medium Preset

Assassin's Creed Odyssey 10−11
+0%
10−11
+0%
Assassin's Creed Valhalla 2−3
+0%
2−3
+0%
Battlefield 5 7−8
+0%
7−8
+0%
Call of Duty: Modern Warfare 8−9
+0%
8−9
+0%
Cyberpunk 2077 6−7
+0%
6−7
+0%
Far Cry 5 7−8
+0%
7−8
+0%
Far Cry New Dawn 10−11
+0%
10−11
+0%
Forza Horizon 4 20−22
+0%
20−22
+0%
Hitman 3 9−10
+0%
9−10
+0%
Horizon Zero Dawn 24−27
+0%
24−27
+0%
Metro Exodus 6−7
+0%
6−7
+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
+0%
40−45
+0%

Full HD
High Preset

Assassin's Creed Odyssey 10−11
+0%
10−11
+0%
Assassin's Creed Valhalla 2−3
+0%
2−3
+0%
Battlefield 5 7−8
+0%
7−8
+0%
Call of Duty: Modern Warfare 8−9
+0%
8−9
+0%
Cyberpunk 2077 6−7
+0%
6−7
+0%
Far Cry 5 7−8
+0%
7−8
+0%
Far Cry New Dawn 10−11
+0%
10−11
+0%
Forza Horizon 4 20−22
+0%
20−22
+0%
Hitman 3 9−10
+0%
9−10
+0%
Horizon Zero Dawn 24−27
+0%
24−27
+0%
Metro Exodus 6−7
+0%
6−7
+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
+0%
14−16
+0%
Watch Dogs: Legion 40−45
+0%
40−45
+0%

Full HD
Ultra Preset

Assassin's Creed Odyssey 10−11
+0%
10−11
+0%
Assassin's Creed Valhalla 2−3
+0%
2−3
+0%
Call of Duty: Modern Warfare 8−9
+0%
8−9
+0%
Cyberpunk 2077 6−7
+0%
6−7
+0%
Far Cry 5 7−8
+0%
7−8
+0%
Forza Horizon 4 20−22
+0%
20−22
+0%
Hitman 3 9−10
+0%
9−10
+0%
Horizon Zero Dawn 24−27
+0%
24−27
+0%
Shadow of the Tomb Raider 14−16
+0%
14−16
+0%
The Witcher 3: Wild Hunt 14−16
+0%
14−16
+0%
Watch Dogs: Legion 40−45
+0%
40−45
+0%

Full HD
Epic Preset

Red Dead Redemption 2 9−10
+0%
9−10
+0%

1440p
High Preset

Battlefield 5 6−7
+0%
6−7
+0%
Far Cry New Dawn 5−6
+0%
5−6
+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 1−2
+0%
1−2
+0%
Hitman 3 8−9
+0%
8−9
+0%
Horizon Zero Dawn 8−9
+0%
8−9
+0%
The Witcher 3: Wild Hunt 3−4
+0%
3−4
+0%
Watch Dogs: Legion 21−24
+0%
21−24
+0%

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%

4K
Ultra Preset

Assassin's Creed Odyssey 2−3
+0%
2−3
+0%
Assassin's Creed Valhalla 1−2
+0%
1−2
+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 1−2
+0%
1−2
+0%
Watch Dogs: Legion 1−2
+0%
1−2
+0%

4K
Epic Preset

Red Dead Redemption 2 4−5
+0%
4−5
+0%

This is how GTX 660 and HD 7770M compete in popular games:

  • GTX 660 is 236% faster in 1080p

All in all, in popular games:

  • there's a draw in 63 tests (100%)

Pros & cons summary


Performance score 10.39 3.44
Recency 6 September 2012 24 April 2012
Maximum RAM amount 2 GB 1 GB
Power consumption (TDP) 140 Watt 32 Watt

GTX 660 has a 202% higher aggregate performance score, an age advantage of 4 months, and a 100% higher maximum VRAM amount.

HD 7770M, on the other hand, has 337.5% lower power consumption.

The GeForce GTX 660 is our recommended choice as it beats the Radeon HD 7770M in performance tests.

Be aware that GeForce GTX 660 is a desktop card while Radeon HD 7770M is a notebook 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

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NVIDIA GeForce GTX 660
GeForce GTX 660
AMD Radeon HD 7770M
Radeon HD 7770M

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.


3.7 4297 votes

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

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4.3 7 votes

Rate Radeon HD 7770M on a scale of 1 to 5:

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Questions & comments

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