GeForce 8400M GT vs Radeon HD 6490M

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Aggregate performance score

We've compared Radeon HD 6490M and GeForce 8400M GT, covering specs and all relevant benchmarks.

HD 6490M
2011
512 MB GDDR5
0.93
+481%

HD 6490M outperforms 8400M GT by a whopping 481% based on our aggregate benchmark results.

Primary details

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

Place in the ranking11581456
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.01no data
Power efficiencyno data0.83
ArchitectureTeraScale 2 (2009−2015)Tesla (2006−2010)
GPU code nameSeymourG86
Market segmentLaptopLaptop
Release date4 January 2011 (14 years ago)9 May 2007 (18 years ago)
Launch price (MSRP)$1,193.03 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

Performance to price scatter graph

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 cores16016
Core clock speed800 MHz450 MHz
Number of transistors370 million210 million
Manufacturing process technology40 nm80 nm
Power consumption (TDP)no data14 Watt
Texture fill rate6.4003.600
Floating-point processing power0.256 TFLOPS0.0288 TFLOPS
ROPs44
TMUs88

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).

InterfacePCIe 2.0 x16PCIe 1.0 x16

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 amount512 MB512 MB
Memory bus width64 Bit128 Bit
Memory clock speed800 MHz600 MHz
Memory bandwidth25.6 GB/s19.2 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

API and SDK compatibility

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

DirectX11.2 (11_0)11.1 (10_0)
Shader Model5.04.0
OpenGL4.43.3
OpenCL1.21.1
VulkanN/AN/A
CUDA-1.1

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.

HD 6490M 0.93
+481%
8400M GT 0.16

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.

HD 6490M 377
+471%
8400M GT 66

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 HD19
+533%
3−4
−533%

Cost per frame, $

1080p62.79no data

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 2−3
+100%
1−2
−100%
Dead Island 2 2−3 0−1

Full HD
Medium Preset

Cyberpunk 2077 2−3
+100%
1−2
−100%
Dead Island 2 2−3 0−1
Far Cry 5 1−2 0−1
Fortnite 1−2 0−1
Forza Horizon 4 5−6
+150%
2−3
−150%
PLAYERUNKNOWN'S BATTLEGROUNDS 8−9
+14.3%
7−8
−14.3%
Valorant 30−35
+24%
24−27
−24%

Full HD
High Preset

Counter-Strike: Global Offensive 21−24
+109%
10−12
−109%
Cyberpunk 2077 2−3
+100%
1−2
−100%
Dead Island 2 2−3 0−1
Dota 2 14−16
+75%
8−9
−75%
Far Cry 5 1−2 0−1
Fortnite 1−2 0−1
Forza Horizon 4 5−6
+150%
2−3
−150%
Metro Exodus 1−2 0−1
PLAYERUNKNOWN'S BATTLEGROUNDS 8−9
+14.3%
7−8
−14.3%
The Witcher 3: Wild Hunt 6−7
+20%
5−6
−20%
Valorant 30−35
+24%
24−27
−24%

Full HD
Ultra Preset

Cyberpunk 2077 2−3
+100%
1−2
−100%
Dead Island 2 2−3 0−1
Dota 2 14−16
+75%
8−9
−75%
Far Cry 5 1−2 0−1
Forza Horizon 4 5−6
+150%
2−3
−150%
PLAYERUNKNOWN'S BATTLEGROUNDS 8−9
+14.3%
7−8
−14.3%
The Witcher 3: Wild Hunt 6−7
+20%
5−6
−20%
Valorant 30−35
+24%
24−27
−24%

Full HD
Epic Preset

Fortnite 1−2 0−1

1440p
High Preset

Counter-Strike 2 0−1 0−1
Counter-Strike: Global Offensive 5−6 0−1
PLAYERUNKNOWN'S BATTLEGROUNDS 5−6
+400%
1−2
−400%

1440p
Ultra Preset

Cyberpunk 2077 1−2 0−1
Dead Island 2 4−5
+33.3%
3−4
−33.3%
Forza Horizon 4 2−3 0−1
The Witcher 3: Wild Hunt 1−2 0−1

1440p
Epic Preset

Fortnite 1−2 0−1

4K
High Preset

Dead Island 2 2−3
+0%
2−3
+0%
Grand Theft Auto V 16−18
+0%
16−18
+0%
Valorant 5−6
+400%
1−2
−400%

4K
Ultra Preset

Dead Island 2 2−3
+0%
2−3
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 2−3
+100%
1−2
−100%

4K
Epic Preset

Fortnite 2−3
+0%
2−3
+0%

This is how HD 6490M and 8400M GT compete in popular games:

  • HD 6490M is 533% faster in 1080p

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

  • in PLAYERUNKNOWN'S BATTLEGROUNDS, with 1440p resolution and the High Preset, the HD 6490M is 400% faster.

All in all, in popular games:

  • HD 6490M is ahead in 22 tests (85%)
  • there's a draw in 4 tests (15%)

Pros & cons summary


Performance score 0.93 0.16
Recency 4 January 2011 9 May 2007
Chip lithography 40 nm 80 nm

HD 6490M has a 481.3% higher aggregate performance score, an age advantage of 3 years, and a 100% more advanced lithography process.

The Radeon HD 6490M is our recommended choice as it beats the GeForce 8400M GT in performance tests.

Vote for your favorite

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AMD Radeon HD 6490M
Radeon HD 6490M
NVIDIA GeForce 8400M GT
GeForce 8400M GT

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.


3.4 37 votes

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2.5 22 votes

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