T400 vs Radeon RX 6600M

VS

Aggregate performance score

We've compared Radeon RX 6600M with T400, including specs and performance data.

RX 6600M
2021
8 GB GDDR6, 100 Watt
35.96
+285%

RX 6600M outperforms T400 by a whopping 285% based on our aggregate benchmark results.

Primary details

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

Place in the ranking137479
Place by popularitynot in top-100not in top-100
Power efficiency24.8121.46
ArchitectureRDNA 2.0 (2020−2024)Turing (2018−2022)
GPU code nameNavi 23TU117
Market segmentLaptopWorkstation
Release date31 May 2021 (3 years ago)6 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 cores1792384
Core clock speed2068 MHz420 MHz
Boost clock speed2416 MHz1425 MHz
Number of transistors11,060 million4,700 million
Manufacturing process technology7 nm12 nm
Power consumption (TDP)100 Watt30 Watt
Texture fill rate270.634.20
Floating-point processing power8.659 TFLOPS1.094 TFLOPS
ROPs6416
TMUs11224
Ray Tracing Cores28no 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 3.0 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 typeGDDR6GDDR6
Maximum RAM amount8 GB2 GB
Memory bus width128 Bit64 Bit
Memory clock speed1750 MHz1250 MHz
Memory bandwidth224.0 GB/s80 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 outputs3x mini-DisplayPort

API and SDK compatibility

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

DirectX12 Ultimate (12_2)12 (12_1)
Shader Model6.56.6
OpenGL4.64.6
OpenCL2.13.0
Vulkan1.31.2
CUDA-7.5

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.

RX 6600M 35.96
+285%
T400 9.33

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 13904
+285%
T400 3609

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 HD100
+317%
24−27
−317%
1440p52
+333%
12−14
−333%
4K31
+288%
8−9
−288%

FPS performance in popular games

Full HD
Low Preset

Atomic Heart 164
+310%
40−45
−310%
Counter-Strike 2 92
+338%
21−24
−338%
Cyberpunk 2077 107
+296%
27−30
−296%

Full HD
Medium Preset

Atomic Heart 114
+322%
27−30
−322%
Battlefield 5 120−130
+303%
30−33
−303%
Counter-Strike 2 75
+317%
18−20
−317%
Cyberpunk 2077 83
+295%
21−24
−295%
Far Cry 5 116
+287%
30−33
−287%
Fortnite 150−160
+329%
35−40
−329%
Forza Horizon 4 202
+304%
50−55
−304%
Forza Horizon 5 83
+295%
21−24
−295%
PLAYERUNKNOWN'S BATTLEGROUNDS 130−140
+347%
30−33
−347%
Valorant 200−210
+310%
50−55
−310%

Full HD
High Preset

Atomic Heart 67
+319%
16−18
−319%
Battlefield 5 120−130
+303%
30−33
−303%
Counter-Strike 2 66
+313%
16−18
−313%
Counter-Strike: Global Offensive 270−280
+296%
70−75
−296%
Cyberpunk 2077 69
+331%
16−18
−331%
Dota 2 114
+322%
27−30
−322%
Far Cry 5 108
+300%
27−30
−300%
Fortnite 150−160
+329%
35−40
−329%
Forza Horizon 4 199
+298%
50−55
−298%
Forza Horizon 5 95−100
+308%
24−27
−308%
Grand Theft Auto V 116
+287%
30−33
−287%
Metro Exodus 80
+344%
18−20
−344%
PLAYERUNKNOWN'S BATTLEGROUNDS 130−140
+347%
30−33
−347%
The Witcher 3: Wild Hunt 142
+306%
35−40
−306%
Valorant 200−210
+310%
50−55
−310%

Full HD
Ultra Preset

Battlefield 5 120−130
+303%
30−33
−303%
Counter-Strike 2 49
+308%
12−14
−308%
Cyberpunk 2077 61
+336%
14−16
−336%
Dota 2 104
+333%
24−27
−333%
Far Cry 5 101
+321%
24−27
−321%
Forza Horizon 4 168
+320%
40−45
−320%
Forza Horizon 5 76
+322%
18−20
−322%
PLAYERUNKNOWN'S BATTLEGROUNDS 130−140
+347%
30−33
−347%
The Witcher 3: Wild Hunt 85
+305%
21−24
−305%
Valorant 144
+311%
35−40
−311%

Full HD
Epic Preset

Fortnite 150−160
+329%
35−40
−329%

1440p
High Preset

Counter-Strike: Global Offensive 230−240
+320%
55−60
−320%
Grand Theft Auto V 61
+336%
14−16
−336%
Metro Exodus 47
+292%
12−14
−292%
PLAYERUNKNOWN'S BATTLEGROUNDS 170−180
+289%
45−50
−289%
Valorant 240−250
+300%
60−65
−300%

1440p
Ultra Preset

Battlefield 5 85−90
+319%
21−24
−319%
Counter-Strike 2 27−30
+300%
7−8
−300%
Cyberpunk 2077 39
+290%
10−11
−290%
Far Cry 5 90
+329%
21−24
−329%
Forza Horizon 4 128
+327%
30−33
−327%
Forza Horizon 5 60−65
+329%
14−16
−329%
The Witcher 3: Wild Hunt 62
+288%
16−18
−288%

1440p
Epic Preset

Fortnite 85−90
+310%
21−24
−310%

4K
High Preset

Atomic Heart 27−30
+286%
7−8
−286%
Counter-Strike 2 16−18
+300%
4−5
−300%
Grand Theft Auto V 58
+314%
14−16
−314%
Metro Exodus 28
+300%
7−8
−300%
The Witcher 3: Wild Hunt 44
+340%
10−11
−340%
Valorant 200−210
+306%
50−55
−306%

4K
Ultra Preset

Battlefield 5 50−55
+342%
12−14
−342%
Counter-Strike 2 16−18
+300%
4−5
−300%
Cyberpunk 2077 19
+375%
4−5
−375%
Dota 2 80
+344%
18−20
−344%
Far Cry 5 44
+340%
10−11
−340%
Forza Horizon 4 74
+311%
18−20
−311%
Forza Horizon 5 35−40
+289%
9−10
−289%
PLAYERUNKNOWN'S BATTLEGROUNDS 40−45
+320%
10−11
−320%

4K
Epic Preset

Fortnite 40−45
+310%
10−11
−310%

This is how RX 6600M and T400 compete in popular games:

  • RX 6600M is 317% faster in 1080p
  • RX 6600M is 333% faster in 1440p
  • RX 6600M is 288% faster in 4K

Pros & cons summary


Performance score 35.96 9.33
Maximum RAM amount 8 GB 2 GB
Chip lithography 7 nm 12 nm
Power consumption (TDP) 100 Watt 30 Watt

RX 6600M has a 285.4% higher aggregate performance score, a 300% higher maximum VRAM amount, and a 71.4% more advanced lithography process.

T400, on the other hand, has 233.3% lower power consumption.

The Radeon RX 6600M is our recommended choice as it beats the T400 in performance tests.

Be aware that Radeon RX 6600M is a notebook card while T400 is a workstation one.

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AMD Radeon RX 6600M
Radeon RX 6600M
NVIDIA T400
T400

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.


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