Radeon RX 6400 vs Vega 7

Place in the ranking	530	276
Place by popularity	39	100
Cost-effectiveness evaluation	no data	53.66
Power efficiency	11.56	25.93
Architecture	GCN 5.1 (2018−2022)	RDNA 2.0 (2020−2024)
GPU code name	Cezanne	Navi 24
Market segment	Laptop	Desktop
Release date	13 April 2021 (3 years ago)	19 January 2022 (2 years ago)
Launch price (MSRP)	no data	$159

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores	448	768
Core clock speed	300 MHz	1923 MHz
Boost clock speed	1900 MHz	2321 MHz
Number of transistors	9,800 million	5,400 million
Manufacturing process technology	7 nm	6 nm
Power consumption (TDP)	45 Watt	53 Watt
Texture fill rate	53.20	111.4
Floating-point processing power	1.702 TFLOPS	3.565 TFLOPS
ROPs	8	32
TMUs	28	48
Ray Tracing Cores	no data	12

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	IGP	PCIe 4.0 x4
Width	no data	1-slot
Supplementary power connectors	None	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	System Shared	GDDR6
Maximum RAM amount	System Shared	4 GB
Memory bus width	System Shared	64 Bit
Memory clock speed	System Shared	2000 MHz
Memory bandwidth	no data	128.0 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 Connectors	No outputs	1x HDMI 2.1, 1x DisplayPort 1.4a
HDMI	-	+

API compatibility

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

DirectX	12 (12_1)	12 Ultimate (12_2)
Shader Model	6.4	6.7
OpenGL	4.6	4.6
OpenCL	2.1	2.2
Vulkan	1.2	1.3

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	22 −150%	55−60 +150%
1440p	28 −150%	70−75 +150%
4K	20 −150%	50−55 +150%

Cost per frame, $

1080p	no data	2.89
1440p	no data	2.27
4K	no data	3.18

Pros & cons summary

Performance score	7.46	19.71
Recency	13 April 2021	19 January 2022
Chip lithography	7 nm	6 nm
Power consumption (TDP)	45 Watt	53 Watt

Vega 7 has 17.8% lower power consumption.

RX 6400, on the other hand, has a 164.2% higher aggregate performance score, an age advantage of 9 months, and a 16.7% more advanced lithography process.

The Radeon RX 6400 is our recommended choice as it beats the Radeon Vega 7 in performance tests.

Be aware that Radeon Vega 7 is a notebook card while Radeon RX 6400 is a desktop one.

Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.