GeForce 6600 vs Radeon 840M

#ad 
Buy on Amazon
VS

Aggregate performance score

We've compared Radeon 840M with GeForce 6600, including specs and performance data.


Radeon 840M
2025
15 Watt
9.19
+4495%

840M outperforms 6600 by a whopping 4495% based on our aggregate benchmark results.

Primary details

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

Place in the ranking5181451
Place by popularitynot in top-100not in top-100
ArchitectureRDNA 3.5 (2024−2025)Curie (2003−2013)
GPU code nameKrackan PointNV43 A2
Market segmentLaptopDesktop
Release dateMarch 2025 (1 year ago)12 August 2004 (21 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 cores256no data
Core clock speed400 MHz300 MHz
Boost clock speed2900 MHzno data
Number of transistorsno data146 million
Manufacturing process technology4 nm110 nm
Power consumption (TDP)15 Wattno data
Texture fill rate46.402.400
Floating-point processing power1.4848 TFLOPSno data
ROPs84
TMUs168
Ray Tracing Cores4no data
L0 Cache64 KBno data
L1 Cache64 KBno data
L2 Cache1024 KBno data

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 4.0 x8PCIe 1.0 x16
Widthno data1-slot
Supplementary power connectorsNoneNone

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 typeSystem SharedDDR
Maximum RAM amountSystem Shared256 MB
Memory bus widthSystem Shared128 Bit
Memory clock speedSystem Shared250 MHz
Memory bandwidthno data8 GB/s
Shared memory+no data

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display ConnectorsPortable Device Dependent1x DVI, 1x VGA, 1x S-Video

API and SDK support

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

DirectX12 Ultimate (12_2)9.0c (9_3)
Shader Model6.83.0
OpenGL4.62.1
OpenCL2.1N/A
Vulkan1.4N/A

Synthetic benchmarks

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.

Radeon 840M 9.19
+4495%
GeForce 6600 0.20

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.

Radeon 840M 3807
+4379%
Samples: 495
GeForce 6600 85
Samples: 352

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 HD250−1

FPS performance in popular games

Full HD
Low

Counter-Strike 2 84
+8300%
1−2
−8300%
Cyberpunk 2077 18−20 0−1
Resident Evil 4 Remake 18−20 0−1

Full HD
Medium

Battlefield 5 40−45 0−1
Counter-Strike 2 68
+6700%
1−2
−6700%
Cyberpunk 2077 18−20 0−1
Far Cry 5 30−33 0−1
Fortnite 55−60
+5500%
1−2
−5500%
Forza Horizon 4 40−45 0−1
Forza Horizon 5 27−30 0−1
PLAYERUNKNOWN'S BATTLEGROUNDS 30−35 0−1
Valorant 90−95
+9000%
1−2
−9000%

Full HD
High

Battlefield 5 40−45 0−1
Counter-Strike 2 15 0−1
Counter-Strike: Global Offensive 140−150
+4633%
3−4
−4633%
Cyberpunk 2077 18−20 0−1
Far Cry 5 30−33 0−1
Fortnite 55−60
+5500%
1−2
−5500%
Forza Horizon 4 40−45 0−1
Forza Horizon 5 27−30 0−1
Grand Theft Auto V 32 0−1
Metro Exodus 18−20 0−1
PLAYERUNKNOWN'S BATTLEGROUNDS 30−35 0−1
The Witcher 3: Wild Hunt 24−27 0−1
Valorant 90−95
+9000%
1−2
−9000%

Full HD
Ultra

Battlefield 5 40−45 0−1
Cyberpunk 2077 18−20 0−1
Far Cry 5 30−33 0−1
Forza Horizon 4 40−45 0−1
PLAYERUNKNOWN'S BATTLEGROUNDS 30−35 0−1
The Witcher 3: Wild Hunt 24−27 0−1

Full HD
Epic

Fortnite 55−60
+5500%
1−2
−5500%

1440p
High

Counter-Strike 2 16−18 0−1
Counter-Strike: Global Offensive 70−75
+7000%
1−2
−7000%
Grand Theft Auto V 12−14 0−1
Metro Exodus 10−11 0−1
Valorant 100−110
+5050%
2−3
−5050%

1440p
Ultra

Battlefield 5 21−24 0−1
Cyberpunk 2077 8−9 0−1
Far Cry 5 18−20 0−1
Forza Horizon 4 21−24 0−1
The Witcher 3: Wild Hunt 12−14 0−1

1440p
Epic

Fortnite 20−22 0−1

4K
High

Counter-Strike 2 4−5 0−1
Grand Theft Auto V 20−22 0−1
Metro Exodus 5−6 0−1
The Witcher 3: Wild Hunt 10−11 0−1
Valorant 45−50
+4800%
1−2
−4800%

4K
Ultra

Battlefield 5 10−12 0−1
Cyberpunk 2077 3−4 0−1
Far Cry 5 9−10 0−1
Forza Horizon 4 16−18 0−1
PLAYERUNKNOWN'S BATTLEGROUNDS 9−10 0−1

4K
Epic

Fortnite 9−10 0−1

Pros & cons summary


Performance score 9.19 0.20
Chip lithography 4 nm 110 nm

Radeon 840M has a 4495% higher aggregate performance score, and a 2650% more advanced lithography process.

The Radeon 840M is our recommended choice as it beats the GeForce 6600 in performance tests.

Be aware that Radeon 840M is a notebook graphics card while GeForce 6600 is a desktop one.

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.


4.2 22 votes

Rate Radeon 840M on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
2.9 303 votes

Rate GeForce 6600 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Comments

Here you can give us your opinion about Radeon 840M or GeForce 6600, agree or disagree with our ratings, or report errors or inaccuracies on the site.