RTX A400 vs Radeon HD 6870

Place in the ranking	594	470
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.93	no data
Power efficiency	2.76	13.42
Architecture	TeraScale 2 (2009−2015)	Ampere (2020−2024)
GPU code name	Barts	GA107
Market segment	Desktop	Desktop
Design	reference	no data
Release date	21 October 2010 (13 years ago)	16 April 2024 (less than a year ago)
Launch price (MSRP)	$239	no data

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	1120	768
Core clock speed	no data	727 MHz
Boost clock speed	900 MHz	1762 MHz
Number of transistors	1,700 million	8,700 million
Manufacturing process technology	40 nm	8 nm
Power consumption (TDP)	151 Watt	50 Watt
Texture fill rate	50.40	42.29
Floating-point processing power	2.016 TFLOPS	2.706 TFLOPS
ROPs	32	16
TMUs	56	24
Tensor Cores	no data	24
Ray Tracing Cores	no data	6

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).

Bus support	PCIe 2.0 x16	no data
Interface	PCIe 2.0 x16	PCIe 4.0 x8
Length	220 mm	163 mm
Width	2-slot	1-slot
Supplementary power connectors	2x 6-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	GDDR5	GDDR6
Maximum RAM amount	1 GB	4 GB
Memory bus width	256 Bit	64 Bit
Memory clock speed	1050 MHz	1500 MHz
Memory bandwidth	134.4 GB/s	96 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	2x DVI, 1x HDMI, 2x mini-DisplayPort	4x mini-DisplayPort 1.4a
Eyefinity	+	-
HDMI	+	-

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

CrossFire

API compatibility

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

DirectX	DirectX® 11	12 Ultimate (12_2)
Shader Model	5.0	6.7
OpenGL	4.4	4.6
OpenCL	1.2	3.0
Vulkan	-	1.3
CUDA	-	8.6

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 6870 5.75

RTX A400 9.24
+60.7%

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 6870 2216

RTX A400 3564
+60.8%

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:

900p	57 −57.9%	90−95 +57.9%
Full HD	66 −51.5%	100−110 +51.5%
1200p	39 −53.8%	60−65 +53.8%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

9−10
−55.6%

14−16

+55.6%

Full HD
Medium Preset

Assassin's Creed Odyssey	14−16 −60%	24−27 +60%
Assassin's Creed Valhalla	7−8 −42.9%	10−11 +42.9%
Battlefield 5	16−18 −50%	24−27 +50%
Call of Duty: Modern Warfare	12−14 −50%	18−20 +50%
Cyberpunk 2077	9−10 −55.6%	14−16 +55.6%
Far Cry 5	12−14 −38.5%	18−20 +38.5%
Far Cry New Dawn	16−18 −50%	24−27 +50%
Forza Horizon 4	35−40 −48.6%	55−60 +48.6%
Hitman 3	12−14 −50%	18−20 +50%
Horizon Zero Dawn	35−40 −52.8%	55−60 +52.8%
Metro Exodus	14−16 −60%	24−27 +60%
Red Dead Redemption 2	16−18 −50%	24−27 +50%
Shadow of the Tomb Raider	20−22 −50%	30−33 +50%
Watch Dogs: Legion	45−50 −53.1%	75−80 +53.1%

Full HD
High Preset

Assassin's Creed Odyssey	14−16 −60%	24−27 +60%
Assassin's Creed Valhalla	7−8 −42.9%	10−11 +42.9%
Battlefield 5	16−18 −50%	24−27 +50%
Call of Duty: Modern Warfare	12−14 −50%	18−20 +50%
Cyberpunk 2077	9−10 −55.6%	14−16 +55.6%
Far Cry 5	12−14 −38.5%	18−20 +38.5%
Far Cry New Dawn	16−18 −50%	24−27 +50%
Forza Horizon 4	35−40 −48.6%	55−60 +48.6%
Hitman 3	12−14 −50%	18−20 +50%
Horizon Zero Dawn	35−40 −52.8%	55−60 +52.8%
Metro Exodus	14−16 −60%	24−27 +60%
Red Dead Redemption 2	16−18 −50%	24−27 +50%
Shadow of the Tomb Raider	20−22 −50%	30−33 +50%
The Witcher 3: Wild Hunt	18−20 −57.9%	30−33 +57.9%
Watch Dogs: Legion	45−50 −53.1%	75−80 +53.1%

Full HD
Ultra Preset

Assassin's Creed Odyssey	14−16 −60%	24−27 +60%
Assassin's Creed Valhalla	7−8 −42.9%	10−11 +42.9%
Call of Duty: Modern Warfare	12−14 −50%	18−20 +50%
Cyberpunk 2077	9−10 −55.6%	14−16 +55.6%
Far Cry 5	12−14 −38.5%	18−20 +38.5%
Forza Horizon 4	35−40 −48.6%	55−60 +48.6%
Hitman 3	12−14 −50%	18−20 +50%
Horizon Zero Dawn	35−40 −52.8%	55−60 +52.8%
Shadow of the Tomb Raider	20−22 −50%	30−33 +50%
The Witcher 3: Wild Hunt	18−20 −57.9%	30−33 +57.9%
Watch Dogs: Legion	45−50 −53.1%	75−80 +53.1%

Full HD
Epic Preset

Red Dead Redemption 2

16−18

−50%

24−27
+50%

1440p
High Preset

Battlefield 5	10−12 −45.5%	16−18 +45.5%
Far Cry New Dawn	9−10 −55.6%	14−16 +55.6%

1440p
Ultra Preset

Assassin's Creed Odyssey	5−6 −60%	8−9 +60%
Assassin's Creed Valhalla	1−2 +0%	1−2 +0%
Call of Duty: Modern Warfare	5−6 −60%	8−9 +60%
Cyberpunk 2077	3−4 −33.3%	4−5 +33.3%
Far Cry 5	7−8 −42.9%	10−11 +42.9%
Forza Horizon 4	16−18 −50%	24−27 +50%
Hitman 3	10−11 −60%	16−18 +60%
Horizon Zero Dawn	12−14 −38.5%	18−20 +38.5%
Metro Exodus	4−5 −50%	6−7 +50%
Shadow of the Tomb Raider	1−2 +0%	1−2 +0%
The Witcher 3: Wild Hunt	5−6 −60%	8−9 +60%
Watch Dogs: Legion	35−40 −52.8%	55−60 +52.8%

1440p
Epic Preset

Red Dead Redemption 2

10−11

−60%

16−18
+60%

4K
High Preset

Battlefield 5	4−5 −50%	6−7 +50%
Far Cry New Dawn	4−5 −50%	6−7 +50%
Hitman 3	2−3 −50%	3−4 +50%
Horizon Zero Dawn	12−14 −38.5%	18−20 +38.5%
Metro Exodus	3−4 −33.3%	4−5 +33.3%
The Witcher 3: Wild Hunt	2−3 −50%	3−4 +50%

4K
Ultra Preset

Assassin's Creed Odyssey	3−4 −33.3%	4−5 +33.3%
Assassin's Creed Valhalla	2−3 −50%	3−4 +50%
Call of Duty: Modern Warfare	2−3 −50%	3−4 +50%
Cyberpunk 2077	0−1	0−1
Far Cry 5	3−4 −33.3%	4−5 +33.3%
Forza Horizon 4	5−6 −60%	8−9 +60%
Watch Dogs: Legion	2−3 −50%	3−4 +50%

4K
Epic Preset

Red Dead Redemption 2

6−7

−50%

9−10
+50%

This is how HD 6870 and RTX A400 compete in popular games:

RTX A400 is 58% faster in 900p
RTX A400 is 52% faster in 1080p
RTX A400 is 54% faster in 1200p

Pros & cons summary

Performance score	5.75	9.24
Recency	21 October 2010	16 April 2024
Maximum RAM amount	1 GB	4 GB
Chip lithography	40 nm	8 nm
Power consumption (TDP)	151 Watt	50 Watt

RTX A400 has a 60.7% higher aggregate performance score, an age advantage of 13 years, a 300% higher maximum VRAM amount, a 400% more advanced lithography process, and 202% lower power consumption.

The RTX A400 is our recommended choice as it beats the Radeon HD 6870 in performance tests.

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