Radeon RX 6400 vs Pro Vega 16

Place in the ranking	396	276
Place by popularity	not in top-100	100
Cost-effectiveness evaluation	no data	53.43
Power efficiency	11.59	25.92
Architecture	GCN 5.0 (2017−2020)	RDNA 2.0 (2020−2024)
GPU code name	Vega 12	Navi 24
Market segment	Mobile workstation	Desktop
Release date	14 November 2018 (6 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	1024	768
Core clock speed	815 MHz	1923 MHz
Boost clock speed	1190 MHz	2321 MHz
Number of transistors	no data	5,400 million
Manufacturing process technology	14 nm	6 nm
Power consumption (TDP)	75 Watt	53 Watt
Texture fill rate	76.16	111.4
Floating-point processing power	2.437 TFLOPS	3.565 TFLOPS
ROPs	32	32
TMUs	64	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).

Laptop size	large	no data
Interface	PCIe 3.0 x16	PCIe 4.0 x4
Width	no data	1-slot
Supplementary power connectors	no data	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	4 GB	4 GB
Memory bus width	1024 Bit	64 Bit
Memory clock speed	1200 MHz	2000 MHz
Memory bandwidth	307.2 GB/s	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	6.3	6.7
OpenGL	4.6	4.6
OpenCL	2.0	2.2
Vulkan	1.2.131	1.3

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. 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.

Pro Vega 16 12.47

RX 6400 19.71
+58.1%

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.

Pro Vega 16 4809

RX 6400 7603
+58.1%

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	56 −51.8%	85−90 +51.8%
4K	38 −57.9%	60−65 +57.9%

Cost per frame, $

1080p	no data	1.87
4K	no data	2.65

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

18−20

−57.9%

30−33
+57.9%

Full HD
Medium Preset

Assassin's Creed Odyssey	27−30 −55.2%	45−50 +55.2%
Assassin's Creed Valhalla	20−22 −50%	30−33 +50%
Battlefield 5	40−45 −50%	60−65 +50%
Call of Duty: Modern Warfare	24−27 −40%	35−40 +40%
Cyberpunk 2077	18−20 −57.9%	30−33 +57.9%
Far Cry 5	27−30 −55.2%	45−50 +55.2%
Far Cry New Dawn	30−35 −47.1%	50−55 +47.1%
Forza Horizon 4	80−85 −46.3%	120−130 +46.3%
Hitman 3	21−24 −52.2%	35−40 +52.2%
Horizon Zero Dawn	65−70 −51.5%	100−105 +51.5%
Metro Exodus	40−45 −46.3%	60−65 +46.3%
Red Dead Redemption 2	30−35 −47.1%	50−55 +47.1%
Shadow of the Tomb Raider	40−45 −50%	60−65 +50%
Watch Dogs: Legion	70−75 −54.9%	110−120 +54.9%

Full HD
High Preset

Assassin's Creed Odyssey	27−30 −55.2%	45−50 +55.2%
Assassin's Creed Valhalla	20−22 −50%	30−33 +50%
Battlefield 5	40−45 −50%	60−65 +50%
Call of Duty: Modern Warfare	24−27 −40%	35−40 +40%
Cyberpunk 2077	18−20 −57.9%	30−33 +57.9%
Far Cry 5	27−30 −55.2%	45−50 +55.2%
Far Cry New Dawn	30−35 −47.1%	50−55 +47.1%
Forza Horizon 4	80−85 −46.3%	120−130 +46.3%
Hitman 3	21−24 −52.2%	35−40 +52.2%
Horizon Zero Dawn	65−70 −51.5%	100−105 +51.5%
Metro Exodus	40−45 −46.3%	60−65 +46.3%
Red Dead Redemption 2	30−35 −47.1%	50−55 +47.1%
Shadow of the Tomb Raider	40−45 −50%	60−65 +50%
The Witcher 3: Wild Hunt	30−35 −45.2%	45−50 +45.2%
Watch Dogs: Legion	70−75 −54.9%	110−120 +54.9%

Full HD
Ultra Preset

Assassin's Creed Odyssey	27−30 −55.2%	45−50 +55.2%
Assassin's Creed Valhalla	20−22 −50%	30−33 +50%
Call of Duty: Modern Warfare	24−27 −40%	35−40 +40%
Cyberpunk 2077	18−20 −57.9%	30−33 +57.9%
Far Cry 5	27−30 −55.2%	45−50 +55.2%
Forza Horizon 4	80−85 −46.3%	120−130 +46.3%
Hitman 3	21−24 −52.2%	35−40 +52.2%
Horizon Zero Dawn	65−70 −51.5%	100−105 +51.5%
Shadow of the Tomb Raider	40−45 −50%	60−65 +50%
The Witcher 3: Wild Hunt	27 −48.1%	40−45 +48.1%
Watch Dogs: Legion	70−75 −54.9%	110−120 +54.9%

Full HD
Epic Preset

Red Dead Redemption 2

30−35

−47.1%

50−55
+47.1%

1440p
High Preset

Battlefield 5	24−27 −45.8%	35−40 +45.8%
Far Cry New Dawn	18−20 −57.9%	30−33 +57.9%

1440p
Ultra Preset

Assassin's Creed Odyssey	12−14 −50%	18−20 +50%
Assassin's Creed Valhalla	9−10 −55.6%	14−16 +55.6%
Call of Duty: Modern Warfare	12−14 −38.5%	18−20 +38.5%
Cyberpunk 2077	6−7 −50%	9−10 +50%
Far Cry 5	14−16 −50%	21−24 +50%
Forza Horizon 4	60−65 −55.7%	95−100 +55.7%
Hitman 3	14−16 −40%	21−24 +40%
Horizon Zero Dawn	24−27 −40%	35−40 +40%
Metro Exodus	20−22 −50%	30−33 +50%
Shadow of the Tomb Raider	20−22 −50%	30−33 +50%
The Witcher 3: Wild Hunt	12−14 −38.5%	18−20 +38.5%
Watch Dogs: Legion	75−80 −53.8%	120−130 +53.8%

1440p
Epic Preset

Red Dead Redemption 2

20−22

−50%

30−33
+50%

4K
High Preset

Battlefield 5	12−14 −50%	18−20 +50%
Far Cry New Dawn	9−10 −55.6%	14−16 +55.6%
Hitman 3	8−9 −50%	12−14 +50%
Horizon Zero Dawn	55−60 −52.5%	90−95 +52.5%
Metro Exodus	10−12 −45.5%	16−18 +45.5%
The Witcher 3: Wild Hunt	10−12 −45.5%	16−18 +45.5%

4K
Ultra Preset

Assassin's Creed Odyssey	7−8 −42.9%	10−11 +42.9%
Assassin's Creed Valhalla	6−7 −50%	9−10 +50%
Call of Duty: Modern Warfare	6−7 −50%	9−10 +50%
Cyberpunk 2077	2−3 −50%	3−4 +50%
Far Cry 5	7−8 −42.9%	10−11 +42.9%
Forza Horizon 4	16−18 −50%	24−27 +50%
Shadow of the Tomb Raider	10−12 −45.5%	16−18 +45.5%
Watch Dogs: Legion	5−6 −40%	7−8 +40%

4K
Epic Preset

Red Dead Redemption 2

10−12

−45.5%

16−18
+45.5%

This is how Pro Vega 16 and RX 6400 compete in popular games:

RX 6400 is 52% faster in 1080p
RX 6400 is 58% faster in 4K

Pros & cons summary

Performance score	12.47	19.71
Recency	14 November 2018	19 January 2022
Chip lithography	14 nm	6 nm
Power consumption (TDP)	75 Watt	53 Watt

RX 6400 has a 58.1% higher aggregate performance score, an age advantage of 3 years, a 133.3% more advanced lithography process, and 41.5% lower power consumption.

The Radeon RX 6400 is our recommended choice as it beats the Radeon Pro Vega 16 in performance tests.

Be aware that Radeon Pro Vega 16 is a mobile workstation 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.