Radeon RX 6400 vs HD 8670D

Place in the ranking	1016	281
Place by popularity	not in top-100	92
Cost-effectiveness evaluation	no data	53.35
Power efficiency	0.94	25.78
Architecture	TeraScale 3 (2010−2013)	RDNA 2.0 (2020−2024)
GPU code name	Devastator	Navi 24
Market segment	Desktop	Desktop
Release date	12 March 2013 (11 years ago)	19 January 2022 (3 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	384	768
Core clock speed	844 MHz	1923 MHz
Boost clock speed	950 MHz	2321 MHz
Number of transistors	1,303 million	5,400 million
Manufacturing process technology	32 nm	6 nm
Power consumption (TDP)	100 Watt	53 Watt
Texture fill rate	22.80	111.4
Floating-point processing power	0.7296 TFLOPS	3.565 TFLOPS
ROPs	8	32
TMUs	24	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	IGP	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	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	11.2 (11_0)	12 Ultimate (12_2)
Shader Model	5.0	6.7
OpenGL	4.4	4.6
OpenCL	1.2	2.2
Vulkan	N/A	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.

HD 8670D 1.37

RX 6400 19.85
+1349%

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.

HD 8670D 528

RX 6400 7631
+1345%

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

−1338%

230−240
+1338%

Cost per frame, $

1080p

no data

0.69

FPS performance in popular games

Full HD
Low Preset

Counter-Strike 2	9−10 −1344%	130−140 +1344%
Cyberpunk 2077	4−5 −1275%	55−60 +1275%
Elden Ring	1−2 −1300%	14−16 +1300%

Full HD
Medium Preset

Battlefield 5	1−2 −1300%	14−16 +1300%
Counter-Strike 2	9−10 −1344%	130−140 +1344%
Cyberpunk 2077	4−5 −1275%	55−60 +1275%
Forza Horizon 4	9−10 −1344%	130−140 +1344%
Red Dead Redemption 2	7−8 −1329%	100−105 +1329%

Full HD
High Preset

Battlefield 5	1−2 −1300%	14−16 +1300%
Counter-Strike 2	9−10 −1344%	130−140 +1344%
Cyberpunk 2077	4−5 −1275%	55−60 +1275%
Dota 2	7 −1329%	100−105 +1329%
Elden Ring	1−2 −1300%	14−16 +1300%
Far Cry 5	10−12 −1264%	150−160 +1264%
Fortnite	6−7 −1317%	85−90 +1317%
Forza Horizon 4	9−10 −1344%	130−140 +1344%
Grand Theft Auto V	10 −1300%	140−150 +1300%
PLAYERUNKNOWN'S BATTLEGROUNDS	14−16 −1300%	210−220 +1300%
Red Dead Redemption 2	7−8 −1329%	100−105 +1329%
The Witcher 3: Wild Hunt	7−8 −1329%	100−105 +1329%
World of Tanks	27−30 −1279%	400−450 +1279%

Full HD
Ultra Preset

Battlefield 5	1−2 −1300%	14−16 +1300%
Counter-Strike 2	9−10 −1344%	130−140 +1344%
Cyberpunk 2077	4−5 −1275%	55−60 +1275%
Dota 2	1−2 −1300%	14−16 +1300%
Far Cry 5	10−12 −1264%	150−160 +1264%
Forza Horizon 4	9−10 −1344%	130−140 +1344%
PLAYERUNKNOWN'S BATTLEGROUNDS	14−16 −1300%	210−220 +1300%

1440p
High Preset

PLAYERUNKNOWN'S BATTLEGROUNDS	8−9 −1275%	110−120 +1275%
Red Dead Redemption 2	0−1	0−1
World of Tanks	8−9 −1275%	110−120 +1275%

1440p
Ultra Preset

Counter-Strike 2	9−10 −1344%	130−140 +1344%
Cyberpunk 2077	2−3 −1250%	27−30 +1250%
Far Cry 5	5−6 −1300%	70−75 +1300%
The Witcher 3: Wild Hunt	3−4 −1233%	40−45 +1233%
Valorant	7−8 −1329%	100−105 +1329%

4K
High Preset

Dota 2	16−18 −1338%	230−240 +1338%
Elden Ring	0−1	0−1
Grand Theft Auto V	14−16 −1300%	210−220 +1300%
PLAYERUNKNOWN'S BATTLEGROUNDS	4−5 −1275%	55−60 +1275%
Red Dead Redemption 2	0−1	0−1
The Witcher 3: Wild Hunt	14−16 −1300%	210−220 +1300%

4K
Ultra Preset

Battlefield 5	1−2 −1300%	14−16 +1300%
Cyberpunk 2077	1−2 −1300%	14−16 +1300%
Dota 2	16−18 −1338%	230−240 +1338%
Far Cry 5	1−2 −1300%	14−16 +1300%
Valorant	1−2 −1300%	14−16 +1300%

This is how HD 8670D and RX 6400 compete in popular games:

RX 6400 is 1338% faster in 1080p

Pros & cons summary

Performance score	1.37	19.85
Recency	12 March 2013	19 January 2022
Chip lithography	32 nm	6 nm
Power consumption (TDP)	100 Watt	53 Watt

RX 6400 has a 1348.9% higher aggregate performance score, an age advantage of 8 years, a 433.3% more advanced lithography process, and 88.7% lower power consumption.

The Radeon RX 6400 is our recommended choice as it beats the Radeon HD 8670D in performance tests.

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