RTX A400 vs Radeon RX 6600M

VS

Aggregate performance score

We've compared Radeon RX 6600M with RTX A400, including specs and performance data.

RX 6600M
2021
8 GB GDDR6, 100 Watt
35.86
+218%

RX 6600M outperforms RTX A400 by a whopping 218% based on our aggregate benchmark results.

Primary details

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

Place in the ranking136420
Place by popularitynot in top-100not in top-100
Power efficiency24.5815.47
ArchitectureRDNA 2.0 (2020−2024)Ampere (2020−2024)
GPU code nameNavi 23GA107
Market segmentLaptopWorkstation
Release date31 May 2021 (3 years ago)16 April 2024 (less than a year 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 cores1792768
Core clock speed2068 MHz727 MHz
Boost clock speed2416 MHz1762 MHz
Number of transistors11,060 million8,700 million
Manufacturing process technology7 nm8 nm
Power consumption (TDP)100 Watt50 Watt
Texture fill rate270.642.29
Floating-point processing power8.659 TFLOPS2.706 TFLOPS
ROPs6416
TMUs11224
Tensor Coresno data24
Ray Tracing Cores286

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 4.0 x8
Lengthno data163 mm
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 typeGDDR6GDDR6
Maximum RAM amount8 GB4 GB
Memory bus width128 Bit64 Bit
Memory clock speed1750 MHz1500 MHz
Memory bandwidth224.0 GB/s96 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 outputs4x mini-DisplayPort 1.4a

API compatibility

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

DirectX12 Ultimate (12_2)12 Ultimate (12_2)
Shader Model6.56.7
OpenGL4.64.6
OpenCL2.13.0
Vulkan1.31.3
CUDA-8.6

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.

RX 6600M 35.86
+218%
RTX A400 11.28

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.

RX 6600M 13819
+218%
RTX A400 4346

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 HD99
+230%
30−35
−230%
1440p53
+231%
16−18
−231%
4K31
+244%
9−10
−244%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 110
+267%
30−33
−267%

Full HD
Medium Preset

Assassin's Creed Odyssey 108
+260%
30−33
−260%
Assassin's Creed Valhalla 95
+252%
27−30
−252%
Battlefield 5 110−120
+229%
35−40
−229%
Call of Duty: Modern Warfare 70−75
+243%
21−24
−243%
Cyberpunk 2077 90
+233%
27−30
−233%
Far Cry 5 75−80
+225%
24−27
−225%
Far Cry New Dawn 85−90
+230%
27−30
−230%
Forza Horizon 4 180−190
+231%
55−60
−231%
Hitman 3 75−80
+257%
21−24
−257%
Horizon Zero Dawn 150−160
+236%
45−50
−236%
Metro Exodus 110−120
+231%
35−40
−231%
Red Dead Redemption 2 85−90
+254%
24−27
−254%
Shadow of the Tomb Raider 120−130
+263%
35−40
−263%
Watch Dogs: Legion 120−130
+251%
35−40
−251%

Full HD
High Preset

Assassin's Creed Odyssey 199
+232%
60−65
−232%
Assassin's Creed Valhalla 79
+229%
24−27
−229%
Battlefield 5 110−120
+229%
35−40
−229%
Call of Duty: Modern Warfare 70−75
+243%
21−24
−243%
Cyberpunk 2077 72
+243%
21−24
−243%
Far Cry 5 75−80
+225%
24−27
−225%
Far Cry New Dawn 85−90
+230%
27−30
−230%
Forza Horizon 4 180−190
+231%
55−60
−231%
Hitman 3 75−80
+257%
21−24
−257%
Horizon Zero Dawn 150−160
+236%
45−50
−236%
Metro Exodus 110−120
+231%
35−40
−231%
Red Dead Redemption 2 85−90
+254%
24−27
−254%
Shadow of the Tomb Raider 173
+246%
50−55
−246%
The Witcher 3: Wild Hunt 70−75
+252%
21−24
−252%
Watch Dogs: Legion 120−130
+251%
35−40
−251%

Full HD
Ultra Preset

Assassin's Creed Odyssey 79
+229%
24−27
−229%
Assassin's Creed Valhalla 69
+229%
21−24
−229%
Call of Duty: Modern Warfare 70−75
+243%
21−24
−243%
Cyberpunk 2077 61
+239%
18−20
−239%
Far Cry 5 75−80
+225%
24−27
−225%
Forza Horizon 4 168
+236%
50−55
−236%
Hitman 3 75−80
+257%
21−24
−257%
Horizon Zero Dawn 134
+235%
40−45
−235%
Shadow of the Tomb Raider 153
+240%
45−50
−240%
The Witcher 3: Wild Hunt 85
+254%
24−27
−254%
Watch Dogs: Legion 59
+228%
18−20
−228%

Full HD
Epic Preset

Red Dead Redemption 2 85−90
+254%
24−27
−254%

1440p
High Preset

Battlefield 5 65−70
+224%
21−24
−224%
Far Cry New Dawn 50−55
+238%
16−18
−238%

1440p
Ultra Preset

Assassin's Creed Odyssey 51
+219%
16−18
−219%
Assassin's Creed Valhalla 52
+225%
16−18
−225%
Call of Duty: Modern Warfare 40−45
+242%
12−14
−242%
Cyberpunk 2077 36
+260%
10−11
−260%
Far Cry 5 40−45
+242%
12−14
−242%
Forza Horizon 4 200−210
+237%
60−65
−237%
Hitman 3 45−50
+221%
14−16
−221%
Horizon Zero Dawn 98
+227%
30−33
−227%
Metro Exodus 85
+254%
24−27
−254%
Shadow of the Tomb Raider 100
+233%
30−33
−233%
The Witcher 3: Wild Hunt 62
+244%
18−20
−244%
Watch Dogs: Legion 180−190
+229%
55−60
−229%

1440p
Epic Preset

Red Dead Redemption 2 60−65
+239%
18−20
−239%

4K
High Preset

Battlefield 5 35−40
+250%
10−11
−250%
Far Cry New Dawn 27−30
+222%
9−10
−222%
Hitman 3 27−30
+222%
9−10
−222%
Horizon Zero Dawn 170−180
+240%
50−55
−240%
Metro Exodus 40−45
+267%
12−14
−267%
The Witcher 3: Wild Hunt 44
+267%
12−14
−267%

4K
Ultra Preset

Assassin's Creed Odyssey 29
+222%
9−10
−222%
Assassin's Creed Valhalla 27
+238%
8−9
−238%
Call of Duty: Modern Warfare 21−24
+267%
6−7
−267%
Cyberpunk 2077 14
+250%
4−5
−250%
Far Cry 5 20−22
+233%
6−7
−233%
Forza Horizon 4 74
+252%
21−24
−252%
Shadow of the Tomb Raider 52
+225%
16−18
−225%
Watch Dogs: Legion 21
+250%
6−7
−250%

4K
Epic Preset

Red Dead Redemption 2 30−35
+244%
9−10
−244%

This is how RX 6600M and RTX A400 compete in popular games:

  • RX 6600M is 230% faster in 1080p
  • RX 6600M is 231% faster in 1440p
  • RX 6600M is 244% faster in 4K

Pros & cons summary


Performance score 35.86 11.28
Recency 31 May 2021 16 April 2024
Maximum RAM amount 8 GB 4 GB
Chip lithography 7 nm 8 nm
Power consumption (TDP) 100 Watt 50 Watt

RX 6600M has a 217.9% higher aggregate performance score, a 100% higher maximum VRAM amount, and a 14.3% more advanced lithography process.

RTX A400, on the other hand, has an age advantage of 2 years, and 100% lower power consumption.

The Radeon RX 6600M is our recommended choice as it beats the RTX A400 in performance tests.

Be aware that Radeon RX 6600M is a notebook card while RTX A400 is a workstation one.


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 RX 6600M
Radeon RX 6600M
NVIDIA RTX A400
RTX A400

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.


4.3 1002 votes

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2.9 15 votes

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Questions & comments

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