Radeon RX 6400 vs R7 (Carrizo)

Place in the ranking	887	276
Place by popularity	not in top-100	100
Cost-effectiveness evaluation	no data	53.43
Power efficiency	3.98	25.92
Architecture	GCN 1.2/2.0 (2015−2016)	RDNA 2.0 (2020−2024)
GPU code name	Carrizo	Navi 24
Market segment	Laptop	Desktop
Release date	4 June 2015 (9 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	512	768
Core clock speed	no data	1923 MHz
Boost clock speed	800 MHz	2321 MHz
Number of transistors	2410 Million	5,400 million
Manufacturing process technology	28 nm	6 nm
Power consumption (TDP)	12-35 Watt	53 Watt
Texture fill rate	no data	111.4
Floating-point processing power	no data	3.565 TFLOPS
ROPs	no data	32
TMUs	no data	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	medium sized	no data
Interface	no data	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	no data	GDDR6
Maximum RAM amount	no data	4 GB
Memory bus width	64/128 Bit	64 Bit
Memory clock speed	no data	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 data	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 (FL 12_0)	12 Ultimate (12_2)
Shader Model	no data	6.7
OpenGL	no data	4.6
OpenCL	no data	2.2
Vulkan	-	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

−850%

95−100
+850%

Cost per frame, $

1080p

no data

1.67

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

4−5
−775%

35−40

+775%

Full HD
Medium Preset

Assassin's Creed Odyssey	7−8 −829%	65−70 +829%
Battlefield 5	1−2 −800%	9−10 +800%
Call of Duty: Modern Warfare	5−6 −800%	45−50 +800%
Cyberpunk 2077	4−5 −775%	35−40 +775%
Far Cry 5	3−4 −800%	27−30 +800%
Far Cry New Dawn	5−6 −800%	45−50 +800%
Forza Horizon 4	7−8 −829%	65−70 +829%
Hitman 3	6−7 −817%	55−60 +817%
Horizon Zero Dawn	16−18 −841%	160−170 +841%
Red Dead Redemption 2	4−5 −775%	35−40 +775%
Shadow of the Tomb Raider	10−11 −850%	95−100 +850%
Watch Dogs: Legion	35−40 −757%	300−310 +757%

Full HD
High Preset

Assassin's Creed Odyssey	7−8 −829%	65−70 +829%
Battlefield 5	1−2 −800%	9−10 +800%
Call of Duty: Modern Warfare	5−6 −800%	45−50 +800%
Cyberpunk 2077	4−5 −775%	35−40 +775%
Far Cry 5	3−4 −800%	27−30 +800%
Far Cry New Dawn	5−6 −800%	45−50 +800%
Forza Horizon 4	7−8 −829%	65−70 +829%
Hitman 3	6−7 −817%	55−60 +817%
Horizon Zero Dawn	16−18 −841%	160−170 +841%
Red Dead Redemption 2	4−5 −775%	35−40 +775%
Shadow of the Tomb Raider	10−11 −850%	95−100 +850%
The Witcher 3: Wild Hunt	14 −829%	130−140 +829%
Watch Dogs: Legion	35−40 −757%	300−310 +757%

Full HD
Ultra Preset

Assassin's Creed Odyssey	7−8 −829%	65−70 +829%
Call of Duty: Modern Warfare	5−6 −800%	45−50 +800%
Cyberpunk 2077	4−5 −775%	35−40 +775%
Far Cry 5	3−4 −800%	27−30 +800%
Forza Horizon 4	7−8 −829%	65−70 +829%
Hitman 3	6−7 −817%	55−60 +817%
Horizon Zero Dawn	16−18 −841%	160−170 +841%
Shadow of the Tomb Raider	10−11 −850%	95−100 +850%
The Witcher 3: Wild Hunt	12−14 −817%	110−120 +817%
Watch Dogs: Legion	35−40 −757%	300−310 +757%

Full HD
Epic Preset

Red Dead Redemption 2

4−5
−775%

35−40

+775%

1440p
High Preset

Battlefield 5	3−4 −800%	27−30 +800%
Far Cry New Dawn	3−4 −800%	27−30 +800%

1440p
Ultra Preset

Assassin's Creed Odyssey	2−3 −800%	18−20 +800%
Call of Duty: Modern Warfare	1−2 −800%	9−10 +800%
Cyberpunk 2077	1−2 −800%	9−10 +800%
Far Cry 5	2−3 −800%	18−20 +800%
Hitman 3	7−8 −829%	65−70 +829%
Horizon Zero Dawn	6−7 −817%	55−60 +817%
The Witcher 3: Wild Hunt	1−2 −800%	9−10 +800%
Watch Dogs: Legion	10−12 −809%	100−105 +809%

1440p
Epic Preset

Red Dead Redemption 2

5−6
−800%

45−50

+800%

4K
High Preset

Far Cry New Dawn

1−2

−800%

9−10
+800%

4K
Ultra Preset

Assassin's Creed Odyssey	2−3 −800%	18−20 +800%
Assassin's Creed Valhalla	1−2 −800%	9−10 +800%
Call of Duty: Modern Warfare	0−1	0−1
Far Cry 5	1−2 −800%	9−10 +800%
Watch Dogs: Legion	0−1	0−1

4K
Epic Preset

Red Dead Redemption 2

3−4
−800%

27−30

+800%

This is how R7 (Carrizo) and RX 6400 compete in popular games:

RX 6400 is 850% faster in 1080p

Pros & cons summary

Performance score	2.00	19.71
Recency	4 June 2015	19 January 2022
Chip lithography	28 nm	6 nm
Power consumption (TDP)	12 Watt	53 Watt

R7 (Carrizo) has 341.7% lower power consumption.

RX 6400, on the other hand, has a 885.5% higher aggregate performance score, an age advantage of 6 years, and a 366.7% more advanced lithography process.

The Radeon RX 6400 is our recommended choice as it beats the Radeon R7 (Carrizo) in performance tests.

Be aware that Radeon R7 (Carrizo) 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.