Radeon RX 6400 vs HD 7870M

Aggregate performance score

We've compared Radeon HD 7870M with Radeon RX 6400, including specs and performance data.

HD 7870M
2012
2 GB GDDR5, 45 Watt
3.41

6400 outperforms HD 7870M by a whopping 411% based on our aggregate benchmark results.

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking754326
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data45.36
Power efficiency6.1026.45
ArchitectureGCN 1.0 (2012−2020)RDNA 2.0 (2020−2025)
GPU code nameHeathrowNavi 24
Market segmentLaptopDesktop
Release date24 April 2012 (13 years ago)19 January 2022 (3 years ago)
Launch price (MSRP)no data$159

Cost-effectiveness evaluation

The higher the ratio, the better. We use the manufacturer's recommended prices.

no data

Performance to price scatter graph

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 cores640768
Core clock speed800 MHz1923 MHz
Boost clock speedno data2321 MHz
Number of transistors1,500 million5,400 million
Manufacturing process technology28 nm6 nm
Power consumption (TDP)45 Watt53 Watt
Texture fill rate32.00111.4
Floating-point processing power1.024 TFLOPS3.565 TFLOPS
ROPs1632
TMUs4048
Ray Tracing Coresno data12
L0 Cacheno data192 KB
L1 Cache160 KB256 KB
L2 Cache256 KB1024 KB
L3 Cacheno data16 MB

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 sizelargeno data
InterfacePCIe 3.0 x16PCIe 4.0 x4
Widthno data1-slot
Supplementary power connectorsno dataNone

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 typeGDDR5GDDR6
Maximum RAM amount2 GB4 GB
Memory bus width128 Bit64 Bit
Memory clock speed1000 MHz2000 MHz
Memory bandwidth64 GB/s128.0 GB/s
Shared memory--
Resizable BAR-+

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display ConnectorsNo outputs1x HDMI 2.1, 1x DisplayPort 1.4a
HDMI-+

API and SDK support

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

DirectX12 (11_1)12 Ultimate (12_2)
Shader Model5.16.7
OpenGL4.64.6
OpenCL1.22.2
Vulkan1.2.1311.3

Synthetic benchmarks

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.

HD 7870M 3.41
RX 6400 17.41
+411%

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 7870M 1507
Samples: 15
RX 6400 7697
+411%
Samples: 1602

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

FPS performance in popular games

Full HD
Low

Counter-Strike 2 14−16
−400%
70−75
+400%
Cyberpunk 2077 7−8
−400%
35−40
+400%
Hogwarts Legacy 9−10
−400%
45−50
+400%

Full HD
Medium

Battlefield 5 14−16
−400%
70−75
+400%
Counter-Strike 2 14−16
−400%
70−75
+400%
Cyberpunk 2077 7−8
−400%
35−40
+400%
Far Cry 5 10−12
−400%
55−60
+400%
Fortnite 21−24
−376%
100−105
+376%
Forza Horizon 4 18−20
−400%
90−95
+400%
Forza Horizon 5 9−10
−400%
45−50
+400%
Hogwarts Legacy 9−10
−400%
45−50
+400%
PLAYERUNKNOWN'S BATTLEGROUNDS 16−18
−400%
80−85
+400%
Valorant 50−55
−400%
260−270
+400%

Full HD
High

Battlefield 5 14−16
−400%
70−75
+400%
Counter-Strike 2 14−16
−400%
70−75
+400%
Counter-Strike: Global Offensive 65−70
−355%
300−310
+355%
Cyberpunk 2077 7−8
−400%
35−40
+400%
Dota 2 30−35
−385%
160−170
+385%
Far Cry 5 10−12
−400%
55−60
+400%
Fortnite 21−24
−376%
100−105
+376%
Forza Horizon 4 18−20
−400%
90−95
+400%
Forza Horizon 5 9−10
−400%
45−50
+400%
Grand Theft Auto V 10−12
−400%
55−60
+400%
Hogwarts Legacy 9−10
−400%
45−50
+400%
Metro Exodus 7−8
−400%
35−40
+400%
PLAYERUNKNOWN'S BATTLEGROUNDS 16−18
−400%
80−85
+400%
The Witcher 3: Wild Hunt 10−12
−400%
55−60
+400%
Valorant 50−55
−400%
260−270
+400%

Full HD
Ultra

Battlefield 5 14−16
−400%
70−75
+400%
Cyberpunk 2077 7−8
−400%
35−40
+400%
Dota 2 30−35
−385%
160−170
+385%
Far Cry 5 10−12
−400%
55−60
+400%
Forza Horizon 4 18−20
−400%
90−95
+400%
Hogwarts Legacy 9−10
−400%
45−50
+400%
PLAYERUNKNOWN'S BATTLEGROUNDS 16−18
−400%
80−85
+400%
The Witcher 3: Wild Hunt 10−12
−400%
55−60
+400%
Valorant 50−55
−400%
260−270
+400%

Full HD
Epic

Fortnite 21−24
−376%
100−105
+376%

1440p
High

Counter-Strike 2 8−9
−400%
40−45
+400%
Counter-Strike: Global Offensive 27−30
−381%
130−140
+381%
Grand Theft Auto V 3−4
−367%
14−16
+367%
Metro Exodus 2−3
−400%
10−11
+400%
PLAYERUNKNOWN'S BATTLEGROUNDS 27−30
−383%
140−150
+383%
Valorant 35−40
−386%
180−190
+386%

1440p
Ultra

Cyberpunk 2077 3−4
−367%
14−16
+367%
Far Cry 5 6−7
−400%
30−33
+400%
Forza Horizon 4 9−10
−400%
45−50
+400%
Hogwarts Legacy 4−5
−350%
18−20
+350%
The Witcher 3: Wild Hunt 5−6
−380%
24−27
+380%

1440p
Epic

Fortnite 7−8
−400%
35−40
+400%

4K
High

Grand Theft Auto V 16−18
−400%
80−85
+400%
Valorant 18−20
−400%
90−95
+400%

4K
Ultra

Cyberpunk 2077 1−2
−400%
5−6
+400%
Dota 2 10−12
−400%
55−60
+400%
Far Cry 5 2−3
−400%
10−11
+400%
Forza Horizon 4 4−5
−350%
18−20
+350%
PLAYERUNKNOWN'S BATTLEGROUNDS 4−5
−350%
18−20
+350%

4K
Epic

Fortnite 4−5
−350%
18−20
+350%

Pros & cons summary


Performance score 3.41 17.41
Recency 24 April 2012 19 January 2022
Maximum RAM amount 2 GB 4 GB
Chip lithography 28 nm 6 nm
Power consumption (TDP) 45 Watt 53 Watt

HD 7870M has 17.8% lower power consumption.

RX 6400, on the other hand, has a 410.6% higher aggregate performance score, an age advantage of 9 years, a 100% higher maximum VRAM amount, and a 366.7% more advanced lithography process.

The Radeon RX 6400 is our recommended choice as it beats the Radeon HD 7870M in performance tests.

Be aware that Radeon HD 7870M is a notebook graphics card while Radeon RX 6400 is a desktop one.

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AMD Radeon HD 7870M
Radeon HD 7870M
AMD Radeon RX 6400
Radeon RX 6400

Other comparisons

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


2.4 15 votes

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4.1 2280 votes

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