Radeon RX 6400 vs VII

Place in performance ranking	74	269
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	66.12	12.27
Architecture	Vega (2017−2021)	RDNA 2.0 (2020−2022)
GPU code name	Vega 20	Navi 24
Market segment	Desktop	Desktop
Release date	7 February 2019 (5 years ago)	19 January 2022 (2 years ago)
Launch price (MSRP)	$699	$159
Current price	$160 (0.2x MSRP)	$376 (2.4x MSRP)

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

Radeon VII has 439% better value for money than RX 6400.

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	3840	768
Core clock speed	1400 MHz	no data
Boost clock speed	1750 MHz	2321 MHz
Number of transistors	13,230 million	5,400 million
Manufacturing process technology	7 nm	6 nm
Power consumption (TDP)	295 Watt	53 Watt
Texture fill rate	420.0	111.4

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 3.0 x16	PCIe 4.0 x4
Length	305 mm	no data
Width	2-slot	1-slot
Supplementary power connectors	2x 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	HBM2	GDDR6
Maximum RAM amount	16 GB	4 GB
Memory bus width	4096 Bit	64 Bit
Memory clock speed	1000 MHz	16 GB/s
Memory bandwidth	1024 GB/s	128.0 GB/s

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	1x HDMI 2.1, 1x DisplayPort 1.4a
HDMI	+	+

API compatibility

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

DirectX	12 (12_1)	12 Ultimate (12_2)
Shader Model	6.4	6.6
OpenGL	4.6	4.6
OpenCL	2.0	2.2
Vulkan	1.2.131	1.3

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.

Radeon VII 43.22
+121%

RX 6400 19.52

VII outperforms RX 6400 by 121% based on our aggregated 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%

Radeon VII 16710
+121%

RX 6400 7547

VII outperforms RX 6400 by 121% 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	122 +122%	55−60 −122%
1440p	78 +123%	35−40 −123%
4K	57 +138%	24−27 −138%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

75−80
+157%

30−33

−157%

Full HD
Medium Preset

Assassin's Creed Odyssey	76 +153%	30−33 −153%
Assassin's Creed Valhalla	99 +148%	40−45 −148%
Battlefield 5	160 +129%	70−75 −129%
Call of Duty: Modern Warfare	95−100 +138%	40−45 −138%
Cyberpunk 2077	75−80 +157%	30−33 −157%
Far Cry 5	116 +132%	50−55 −132%
Far Cry New Dawn	113 +126%	50−55 −126%
Forza Horizon 4	163 +133%	70−75 −133%
Hitman 3	100−110 +140%	45−50 −140%
Horizon Zero Dawn	155 +121%	70−75 −121%
Metro Exodus	100−110 +138%	45−50 −138%
Red Dead Redemption 2	126 +129%	55−60 −129%
Shadow of the Tomb Raider	118 +136%	50−55 −136%
Watch Dogs: Legion	113 +126%	50−55 −126%

Full HD
High Preset

Assassin's Creed Odyssey	70 +133%	30−33 −133%
Assassin's Creed Valhalla	82 +134%	35−40 −134%
Battlefield 5	150 +131%	65−70 −131%
Call of Duty: Modern Warfare	135 +125%	60−65 −125%
Cyberpunk 2077	75−80 +157%	30−33 −157%
Far Cry 5	103 +129%	45−50 −129%
Far Cry New Dawn	97 +143%	40−45 −143%
Forza Horizon 4	157 +124%	70−75 −124%
Hitman 3	79 +126%	35−40 −126%
Horizon Zero Dawn	130 +136%	55−60 −136%
Metro Exodus	92 +130%	40−45 −130%
Red Dead Redemption 2	121 +142%	50−55 −142%
Shadow of the Tomb Raider	104 +131%	45−50 −131%
The Witcher 3: Wild Hunt	139 +132%	60−65 −132%
Watch Dogs: Legion	99 +148%	40−45 −148%

Full HD
Ultra Preset

Assassin's Creed Odyssey	63 +133%	27−30 −133%
Assassin's Creed Valhalla	72 +140%	30−33 −140%
Call of Duty: Modern Warfare	95−100 +138%	40−45 −138%
Cyberpunk 2077	75−80 +157%	30−33 −157%
Far Cry 5	71 +137%	30−33 −137%
Forza Horizon 4	130 +136%	55−60 −136%
Horizon Zero Dawn	95 +138%	40−45 −138%
Metro Exodus	83 +137%	35−40 −137%
The Witcher 3: Wild Hunt	75 +150%	30−33 −150%
Watch Dogs: Legion	63 +133%	27−30 −133%

Full HD
Epic Preset

Red Dead Redemption 2

119

+138%

50−55
−138%

1440p
High Preset

Battlefield 5	85−90 +143%	35−40 −143%
Far Cry New Dawn	100−110 +127%	45−50 −127%
Hitman 3	67 +123%	30−33 −123%
Red Dead Redemption 2	46 +156%	18−20 −156%

1440p
Ultra Preset

Assassin's Creed Odyssey	45−50 +124%	21−24 −124%
Assassin's Creed Valhalla	57 +138%	24−27 −138%
Call of Duty: Modern Warfare	89 +123%	40−45 −123%
Cyberpunk 2077	35−40 +125%	16−18 −125%
Far Cry 5	80−85 +129%	35−40 −129%
Forza Horizon 4	90−95 +130%	40−45 −130%
Horizon Zero Dawn	80 +129%	35−40 −129%
Metro Exodus	83 +137%	35−40 −137%
Shadow of the Tomb Raider	61 +126%	27−30 −126%
The Witcher 3: Wild Hunt	60−65 +137%	27−30 −137%
Watch Dogs: Legion	48 +129%	21−24 −129%

4K
High Preset

Far Cry 5	88 +151%	35−40 −151%
Far Cry New Dawn	55−60 +138%	24−27 −138%
Hitman 3	46 +156%	18−20 −156%
Horizon Zero Dawn	55−60 +133%	24−27 −133%
Shadow of the Tomb Raider	44 +144%	18−20 −144%
The Witcher 3: Wild Hunt	54 +125%	24−27 −125%

4K
Ultra Preset

Assassin's Creed Odyssey	44 +144%	18−20 −144%
Assassin's Creed Valhalla	35 +150%	14−16 −150%
Battlefield 5	73 +143%	30−33 −143%
Call of Duty: Modern Warfare	58 +142%	24−27 −142%
Cyberpunk 2077	16−18 +129%	7−8 −129%
Forza Horizon 4	77 +157%	30−33 −157%
Horizon Zero Dawn	57 +138%	24−27 −138%
Metro Exodus	61 +126%	27−30 −126%
Watch Dogs: Legion	29 +142%	12−14 −142%

4K
Epic Preset

Red Dead Redemption 2

43
+139%

18−20

−139%

This is how Radeon VII and RX 6400 compete in popular games:

Radeon VII is 122% faster in 1080p
Radeon VII is 123% faster in 1440p
Radeon VII is 138% faster in 4K

Pros & cons summary

Performance score	43.22	19.52
Recency	7 February 2019	19 January 2022
Cost	$699	$159
Maximum RAM amount	16 GB	4 GB
Chip lithography	7 nm	6 nm
Power consumption (TDP)	295 Watt	53 Watt