T400 4 GB vs Radeon RX 6600

Place in performance ranking	102	429
Place by popularity	14	not in top-100
Cost-effectiveness evaluation	35.03	8.61
Architecture	Navi / RDNA2 (2020−2022)	Turing (2018−2021)
GPU code name	Navi 23	TU117
Market segment	Desktop	Desktop
Release date	13 October 2021 (2 years ago)	6 May 2021 (3 years ago)
Launch price (MSRP)	$329	no data
Current price	$358 (1.1x MSRP)	$216

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

RX 6600 has 307% better value for money than T400 4 GB.

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	1792	384
Core clock speed	2044 MHz	no data
Boost clock speed	2491 MHz	1425 MHz
Number of transistors	11,060 million	4,700 million
Manufacturing process technology	7 nm	12 nm
Power consumption (TDP)	132 Watt	30 Watt
Texture fill rate	279.0	34.20

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).

Interface	PCIe 4.0 x8	PCIe 3.0 x16
Length	190 mm	no data
Width	2-slot	1-slot
Supplementary power connectors	1x 8-pin	None

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 type	GDDR6	GDDR6
Maximum RAM amount	8 GB	4 GB
Memory bus width	128 Bit	64 Bit
Memory clock speed	14500 MHz	10 GB/s
Memory bandwidth	224.0 GB/s	80 GB/s
Shared memory	-	no data

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 Connectors	1x HDMI, 3x DisplayPort	3x mini-DisplayPort
HDMI	+	no data

API compatibility

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

DirectX	12.0 Ultimate (12_2)	12 (12_1)
Shader Model	6.5	6.6
OpenGL	4.6	4.6
OpenCL	2.1	3.0
Vulkan	1.2	1.2
CUDA	no data	7.5

Synthetic benchmark performance

Non-gaming benchmark performance comparison. The combined score is measured on a 0-100 point scale.

Combined synthetic benchmark score

This is our combined benchmark performance 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 6600 39.19
+307%

T400 4 GB 9.64

Radeon RX 6600 outperforms T400 4 GB by 307% based on our aggregate benchmark results.

Passmark

This is the most ubiquitous GPU benchmark, part of Passmark PerformanceTest suite. 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.

Benchmark coverage: 25%

RX 6600 15133
+306%

T400 4 GB 3723

Radeon RX 6600 outperforms T400 4 GB by 306% in Passmark.

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 HD	109 +354%	24−27 −354%
1440p	57 +307%	14−16 −307%
4K	31 +343%	7−8 −343%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

400−450
+274%

107

−274%

Full HD
Medium Preset

Assassin's Creed Odyssey	280−290 +306%	65−70 −306%
Assassin's Creed Valhalla	450−500 +298%	113 −298%
Battlefield 5	500−550 +297%	120−130 −297%
Call of Duty: Modern Warfare	300−310 +280%	75−80 −280%
Cyberpunk 2077	350−400 +285%	91 −285%
Far Cry 5	300−310 +253%	85−90 −253%
Far Cry New Dawn	350−400 +261%	95−100 −261%
Forza Horizon 4	600−650 +303%	140−150 −303%
Hitman 3	400−450 +304%	99 −304%
Horizon Zero Dawn	1050−1100 +295%	266 −295%
Metro Exodus	450−500 +302%	110−120 −302%
Red Dead Redemption 2	350−400 +272%	90−95 −272%
Shadow of the Tomb Raider	900−950 +300%	225 −300%
Watch Dogs: Legion	400−450 +281%	105 −281%

Full HD
High Preset

Assassin's Creed Odyssey	280−290 +306%	65−70 −306%
Assassin's Creed Valhalla	350−400 +280%	92 −280%
Battlefield 5	500−550 +297%	120−130 −297%
Call of Duty: Modern Warfare	300−310 +280%	75−80 −280%
Cyberpunk 2077	290−300 +297%	73 −297%
Far Cry 5	300−310 +253%	85−90 −253%
Far Cry New Dawn	350−400 +261%	95−100 −261%
Forza Horizon 4	600−650 +303%	140−150 −303%
Hitman 3	350−400 +272%	94 −272%
Horizon Zero Dawn	600−650 +277%	150−160 −277%
Metro Exodus	270−280 +303%	67 −303%
Red Dead Redemption 2	350−400 +272%	90−95 −272%
Shadow of the Tomb Raider	700−750 +285%	182 −285%
The Witcher 3: Wild Hunt	550−600 +274%	147 −274%
Watch Dogs: Legion	350−400 +261%	95−100 −261%

Full HD
Ultra Preset

Assassin's Creed Odyssey	280−290 +306%	65−70 −306%
Assassin's Creed Valhalla	300−310 +285%	78 −285%
Call of Duty: Modern Warfare	300−310 +280%	75−80 −280%
Cyberpunk 2077	230−240 +290%	59 −290%
Far Cry 5	300−310 +253%	85−90 −253%
Forza Horizon 4	600−650 +303%	140−150 −303%
Horizon Zero Dawn	550−600 +287%	142 −287%
Shadow of the Tomb Raider	600−650 +282%	157 −282%
The Witcher 3: Wild Hunt	350−400 +289%	90 −289%
Watch Dogs: Legion	230−240 +297%	58 −297%

Full HD
Epic Preset

Red Dead Redemption 2

350−400

+272%

90−95
−272%

1440p
High Preset

Battlefield 5	300−310 +300%	75−80 −300%
Far Cry New Dawn	350−400 +285%	90−95 −285%

1440p
Ultra Preset

Assassin's Creed Odyssey	170−180 +305%	40−45 −305%
Assassin's Creed Valhalla	210−220 +304%	52 −304%
Call of Duty: Modern Warfare	240−250 +300%	60−65 −300%
Cyberpunk 2077	130−140 +282%	34 −282%
Far Cry 5	350−400 +285%	91 −285%
Forza Horizon 4	300−310 +266%	80−85 −266%
Hitman 3	210−220 +289%	54 −289%
Horizon Zero Dawn	400−450 +292%	102 −292%
Metro Exodus	350−400 +261%	97 −261%
Shadow of the Tomb Raider	400−450 +296%	101 −296%
The Witcher 3: Wild Hunt	230−240 +304%	55−60 −304%
Watch Dogs: Legion	160−170 +290%	41 −290%

1440p
Epic Preset

Red Dead Redemption 2

270−280

+303%

65−70
−303%

4K
High Preset

Battlefield 5	150−160 +285%	35−40 −285%
Far Cry New Dawn	130−140 +294%	30−35 −294%
Hitman 3	140−150 +289%	36 −289%
Horizon Zero Dawn	200−210 +300%	50−55 −300%
Shadow of the Tomb Raider	130−140 +294%	33 −294%
The Witcher 3: Wild Hunt	170−180 +286%	44 −286%

4K
Ultra Preset

Assassin's Creed Odyssey	100−105 +270%	27−30 −270%
Assassin's Creed Valhalla	95−100 +296%	24 −296%
Call of Duty: Modern Warfare	100−105 +300%	24−27 −300%
Cyberpunk 2077	55−60 +293%	14 −293%
Far Cry 5	90−95 +291%	21−24 −291%
Forza Horizon 4	210−220 +289%	50−55 −289%
Horizon Zero Dawn	220−230 +300%	55 −300%
Metro Exodus	190−200 +296%	48 −296%
Watch Dogs: Legion	85−90 +305%	21 −305%

4K
Epic Preset

Red Dead Redemption 2

140−150

+300%

35−40
−300%

This is how RX 6600 and T400 4 GB compete in popular games:

RX 6600 is 354% faster in 1080p
RX 6600 is 307% faster in 1440p
RX 6600 is 343% faster in 4K

Pros & cons summary

Performance score	39.19	9.64
Recency	13 October 2021	6 May 2021
Maximum RAM amount	8 GB	4 GB
Chip lithography	7 nm	12 nm
Power consumption (TDP)	132 Watt	30 Watt