Radeon RX 6600M vs RTX A4000

#ad 
Buy on Amazon
VS

Aggregate performance score

We've compared RTX A4000 with Radeon RX 6600M, including specs and performance data.

RTX A4000
2021
16 GB GDDR6, 140 Watt
50.26
+40.6%

RTX A4000 outperforms RX 6600M by a considerable 41% based on our aggregate benchmark results.

Primary details

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

Place in the ranking64139
Place by popularitynot in top-100not in top-100
Power efficiency24.9224.81
ArchitectureAmpere (2020−2024)RDNA 2.0 (2020−2024)
GPU code nameGA104Navi 23
Market segmentWorkstationLaptop
Release date12 April 2021 (3 years ago)31 May 2021 (3 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 cores61441792
Core clock speed735 MHz2068 MHz
Boost clock speed1560 MHz2416 MHz
Number of transistors17,400 million11,060 million
Manufacturing process technology8 nm7 nm
Power consumption (TDP)140 Watt100 Watt
Texture fill rate299.5270.6
Floating-point processing power19.17 TFLOPS8.659 TFLOPS
ROPs9664
TMUs192112
Tensor Cores192no data
Ray Tracing Cores4828

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
InterfacePCIe 4.0 x16PCIe 4.0 x8
Length241 mmno data
Width1-slotno data
Supplementary power connectors1x 6-pinNone

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 amount16 GB8 GB
Memory bus width256 Bit128 Bit
Memory clock speed1750 MHz1750 MHz
Memory bandwidth448.0 GB/s224.0 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 Connectors4x DisplayPort 1.4aNo outputs

API and SDK compatibility

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

DirectX12 Ultimate (12_2)12 Ultimate (12_2)
Shader Model6.76.5
OpenGL4.64.6
OpenCL3.02.1
Vulkan1.31.3
CUDA8.6-
DLSS+-

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.

RTX A4000 50.26
+40.6%
RX 6600M 35.74

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.

RTX A4000 19552
+40.6%
RX 6600M 13906

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 HD140−150
+40%
100
−40%
1440p70−75
+34.6%
52
−34.6%
4K40−45
+29%
31
−29%

FPS performance in popular games

Full HD
Low Preset

Atomic Heart 164
+0%
164
+0%
Counter-Strike 2 92
+0%
92
+0%
Cyberpunk 2077 107
+0%
107
+0%

Full HD
Medium Preset

Atomic Heart 114
+0%
114
+0%
Battlefield 5 120−130
+0%
120−130
+0%
Counter-Strike 2 75
+0%
75
+0%
Cyberpunk 2077 83
+0%
83
+0%
Far Cry 5 116
+0%
116
+0%
Fortnite 150−160
+0%
150−160
+0%
Forza Horizon 4 202
+0%
202
+0%
Forza Horizon 5 83
+0%
83
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 130−140
+0%
130−140
+0%
Valorant 200−210
+0%
200−210
+0%

Full HD
High Preset

Atomic Heart 67
+0%
67
+0%
Battlefield 5 120−130
+0%
120−130
+0%
Counter-Strike 2 66
+0%
66
+0%
Counter-Strike: Global Offensive 270−280
+0%
270−280
+0%
Cyberpunk 2077 69
+0%
69
+0%
Dota 2 114
+0%
114
+0%
Far Cry 5 108
+0%
108
+0%
Fortnite 150−160
+0%
150−160
+0%
Forza Horizon 4 199
+0%
199
+0%
Forza Horizon 5 95−100
+0%
95−100
+0%
Grand Theft Auto V 116
+0%
116
+0%
Metro Exodus 80
+0%
80
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 130−140
+0%
130−140
+0%
The Witcher 3: Wild Hunt 142
+0%
142
+0%
Valorant 200−210
+0%
200−210
+0%

Full HD
Ultra Preset

Battlefield 5 120−130
+0%
120−130
+0%
Counter-Strike 2 49
+0%
49
+0%
Cyberpunk 2077 61
+0%
61
+0%
Dota 2 104
+0%
104
+0%
Far Cry 5 101
+0%
101
+0%
Forza Horizon 4 168
+0%
168
+0%
Forza Horizon 5 76
+0%
76
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 130−140
+0%
130−140
+0%
The Witcher 3: Wild Hunt 85
+0%
85
+0%
Valorant 144
+0%
144
+0%

Full HD
Epic Preset

Fortnite 150−160
+0%
150−160
+0%

1440p
High Preset

Counter-Strike: Global Offensive 230−240
+0%
230−240
+0%
Grand Theft Auto V 61
+0%
61
+0%
Metro Exodus 47
+0%
47
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 170−180
+0%
170−180
+0%
Valorant 240−250
+0%
240−250
+0%

1440p
Ultra Preset

Battlefield 5 85−90
+0%
85−90
+0%
Counter-Strike 2 27−30
+0%
27−30
+0%
Cyberpunk 2077 39
+0%
39
+0%
Far Cry 5 90
+0%
90
+0%
Forza Horizon 4 128
+0%
128
+0%
Forza Horizon 5 60−65
+0%
60−65
+0%
The Witcher 3: Wild Hunt 62
+0%
62
+0%

1440p
Epic Preset

Fortnite 85−90
+0%
85−90
+0%

4K
High Preset

Atomic Heart 27−30
+0%
27−30
+0%
Counter-Strike 2 16−18
+0%
16−18
+0%
Grand Theft Auto V 58
+0%
58
+0%
Metro Exodus 28
+0%
28
+0%
The Witcher 3: Wild Hunt 44
+0%
44
+0%
Valorant 200−210
+0%
200−210
+0%

4K
Ultra Preset

Battlefield 5 50−55
+0%
50−55
+0%
Counter-Strike 2 16−18
+0%
16−18
+0%
Cyberpunk 2077 19
+0%
19
+0%
Dota 2 80
+0%
80
+0%
Far Cry 5 44
+0%
44
+0%
Forza Horizon 4 74
+0%
74
+0%
Forza Horizon 5 35−40
+0%
35−40
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 40−45
+0%
40−45
+0%

4K
Epic Preset

Fortnite 40−45
+0%
40−45
+0%

This is how RTX A4000 and RX 6600M compete in popular games:

  • RTX A4000 is 40% faster in 1080p
  • RTX A4000 is 35% faster in 1440p
  • RTX A4000 is 29% faster in 4K

All in all, in popular games:

  • there's a draw in 67 tests (100%)

Pros & cons summary


Performance score 50.26 35.74
Recency 12 April 2021 31 May 2021
Maximum RAM amount 16 GB 8 GB
Chip lithography 8 nm 7 nm
Power consumption (TDP) 140 Watt 100 Watt

RTX A4000 has a 40.6% higher aggregate performance score, and a 100% higher maximum VRAM amount.

RX 6600M, on the other hand, has an age advantage of 1 month, a 14.3% more advanced lithography process, and 40% lower power consumption.

The RTX A4000 is our recommended choice as it beats the Radeon RX 6600M in performance tests.

Be aware that RTX A4000 is a workstation card while Radeon RX 6600M is a notebook one.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


NVIDIA RTX A4000
RTX A4000
AMD Radeon RX 6600M
Radeon RX 6600M

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.


4 650 votes

Rate RTX A4000 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.3 1026 votes

Rate Radeon RX 6600M on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can give us your opinion about RTX A4000 or Radeon RX 6600M, agree or disagree with our ratings, or report errors or inaccuracies on the site.