Radeon HD 8400 vs GeForce GTX 660

VS

Aggregate performance score

We've compared GeForce GTX 660 and Radeon HD 8400, covering specs and all relevant benchmarks.

GTX 660
2012
2 GB GDDR5, 140 Watt
10.37
+1403%

GTX 660 outperforms HD 8400 by a whopping 1403% based on our aggregate benchmark results.

Primary details

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

Place in the ranking4371172
Place by popularity58not in top-100
Cost-effectiveness evaluation3.28no data
Power efficiency5.131.91
ArchitectureKepler (2012−2018)GCN 2.0 (2013−2017)
GPU code nameGK106Kalindi
Market segmentDesktopDesktop
Release date6 September 2012 (12 years ago)23 November 2013 (10 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 cores960128
Core clock speed980 MHz400 MHz
Boost clock speed1033 MHzno data
Number of transistors2,540 million1,178 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)140 Watt25 Watt
Texture fill rate82.563.200
Floating-point processing power1.981 TFLOPS0.1024 TFLOPS
ROPs244
TMUs808

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).

Bus supportPCI Express 3.0no data
InterfacePCIe 3.0 x16IGP
Length241 mmno data
Height4.376" (11.1 cm)no data
Width2-slotIGP
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 typeGDDR5System Shared
Maximum RAM amount2 GBSystem Shared
Memory bus width192-bit GDDR5System Shared
Memory clock speed6.0 GB/sSystem Shared
Memory bandwidth144.2 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 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 (12_0)
Shader Model5.16.3
OpenGL4.34.6
OpenCL1.22.0
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. 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 660 10.37
+1403%
HD 8400 0.69

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 4000
+1409%
HD 8400 265

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
+1157%
HD 8400 401

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
+370%
10
−370%

Cost per frame, $

1080p4.87no data

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 3−4
+0%
3−4
+0%

Full HD
Medium Preset

Assassin's Creed Odyssey 4−5
+0%
4−5
+0%
Call of Duty: Modern Warfare 3−4
+0%
3−4
+0%
Cyberpunk 2077 3−4
+0%
3−4
+0%
Far Cry New Dawn 1−2
+0%
1−2
+0%
Hitman 3 5−6
+0%
5−6
+0%
Horizon Zero Dawn 10−12
+0%
10−12
+0%
Red Dead Redemption 2 0−1 0−1
Shadow of the Tomb Raider 6−7
+0%
6−7
+0%
Watch Dogs: Legion 30−33
+0%
30−33
+0%

Full HD
High Preset

Assassin's Creed Odyssey 4−5
+0%
4−5
+0%
Call of Duty: Modern Warfare 3−4
+0%
3−4
+0%
Cyberpunk 2077 3−4
+0%
3−4
+0%
Far Cry New Dawn 1−2
+0%
1−2
+0%
Hitman 3 5−6
+0%
5−6
+0%
Horizon Zero Dawn 10−12
+0%
10−12
+0%
Red Dead Redemption 2 0−1 0−1
Shadow of the Tomb Raider 6−7
+0%
6−7
+0%
The Witcher 3: Wild Hunt 10−11
+0%
10−11
+0%
Watch Dogs: Legion 30−33
+0%
30−33
+0%

Full HD
Ultra Preset

Assassin's Creed Odyssey 4−5
+0%
4−5
+0%
Call of Duty: Modern Warfare 3−4
+0%
3−4
+0%
Cyberpunk 2077 3−4
+0%
3−4
+0%
Hitman 3 5−6
+0%
5−6
+0%
Horizon Zero Dawn 10−12
+0%
10−12
+0%
Shadow of the Tomb Raider 6−7
+0%
6−7
+0%
The Witcher 3: Wild Hunt 10−11
+0%
10−11
+0%
Watch Dogs: Legion 30−33
+0%
30−33
+0%

Full HD
Epic Preset

Red Dead Redemption 2 0−1 0−1

1440p
High Preset

Far Cry New Dawn 1−2
+0%
1−2
+0%

1440p
Ultra Preset

Assassin's Creed Odyssey 0−1 0−1
Cyberpunk 2077 1−2
+0%
1−2
+0%
Far Cry 5 1−2
+0%
1−2
+0%
Hitman 3 6−7
+0%
6−7
+0%
Horizon Zero Dawn 3−4
+0%
3−4
+0%
Watch Dogs: Legion 2−3
+0%
2−3
+0%

1440p
Epic Preset

Red Dead Redemption 2 3−4
+0%
3−4
+0%

4K
High Preset

Far Cry New Dawn 0−1 0−1

4K
Ultra Preset

Assassin's Creed Odyssey 1−2
+0%
1−2
+0%
Assassin's Creed Valhalla 0−1 0−1

4K
Epic Preset

Red Dead Redemption 2 2−3
+0%
2−3
+0%

This is how GTX 660 and HD 8400 compete in popular games:

  • GTX 660 is 370% faster in 1080p

All in all, in popular games:

  • there's a draw in 35 tests (100%)

Pros & cons summary


Performance score 10.37 0.69
Recency 6 September 2012 23 November 2013
Power consumption (TDP) 140 Watt 25 Watt

GTX 660 has a 1402.9% higher aggregate performance score.

HD 8400, on the other hand, has an age advantage of 1 year, and 460% lower power consumption.

The GeForce GTX 660 is our recommended choice as it beats the Radeon HD 8400 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 660
GeForce GTX 660
AMD Radeon HD 8400
Radeon HD 8400

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 4256 votes

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

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2.8 128 votes

Rate Radeon HD 8400 on a scale of 1 to 5:

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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.