ATI Mobility Radeon HD 4870 X2 vs Maxwell GPU Surface Book (940M, GDDR5)

VS
Mobility Radeon HD 4850 Mobility Radeon HD 4850 Mac Edition Mobility Radeon HD 4850 X2 Mobility Radeon HD 4870 Mobility Radeon HD 4870 X2

Aggregate performance score

We've compared Maxwell GPU Surface Book (940M, GDDR5) and Mobility Radeon HD 4870 X2, covering specs and all relevant benchmarks.

Maxwell GPU Surface Book (940M, GDDR5)
2015
1 GB GDDR5
3.69
+18.3%

Maxwell GPU Surface Book (940M, GDDR5) outperforms ATI Mobility HD 4870 X2 by a moderate 18% based on our aggregate benchmark results.

Contents

Maxwell GPU Surface Book (940M, GDDR5) Maxwell GPU Surface Book (940M, GDDR5)
ATI Mobility HD 4870 X2 Mobility HD 4870 X2

Primary details

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

Place in the ranking715761
Place by popularitynot in top-100not in top-100
ArchitectureMaxwell (2014−2017)TeraScale (2005−2013)
GPU code nameSurface BookM98
Market segmentLaptopLaptop
Release date1 October 2015 (9 years ago)9 January 2009 (16 years ago)

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 cores384800
Core clock speed954 MHz550 MHz
Boost clock speed993 MHzno data
Number of transistorsno data956 million
Manufacturing process technology28 nm55 nm
Texture fill rateno data22.00
Floating-point processing powerno data0.88 TFLOPS
ROPsno data16
TMUsno data40

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 sizeno datalarge
Interfaceno dataPCIe 2.0 x16

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 typeGDDR5GDDR5
Maximum RAM amount1 GB1 GB
Memory bus width64 Bit256 Bit
Memory clock speed5012 MHz700 MHz
Memory bandwidthno data89.6 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 Connectorsno dataNo outputs

Supported technologies

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

Optimus+-

API compatibility

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

DirectXDirectX 12 (FL 11_0), Shader 5.010.1 (10_1)
Shader Modelno data4.1
OpenGLno data3.3
OpenCLno data1.1
Vulkan-N/A
CUDA+-

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 HD28
−50%
42
+50%

FPS performance in popular games

Full HD
Medium Preset

Battlefield 5 10−11
+25%
8−9
−25%
Far Cry 5 20−22
+25%
16−18
−25%
Fortnite 21−24
+31.3%
16−18
−31.3%
Forza Horizon 4 16−18
+14.3%
14−16
−14.3%
PLAYERUNKNOWN'S BATTLEGROUNDS 30−35
+22.2%
27−30
−22.2%
Red Dead Redemption 2 12−14
+9.1%
10−12
−9.1%

Full HD
High Preset

Battlefield 5 10−11
+25%
8−9
−25%
Dota 2 10−12
+22.2%
9−10
−22.2%
Far Cry 5 20−22
+17.6%
16−18
−17.6%
Fortnite 21−24
+23.5%
16−18
−23.5%
Forza Horizon 4 16−18
+14.3%
14−16
−14.3%
Grand Theft Auto V 10−12
+22.2%
9−10
−22.2%
Metro Exodus 8−9
+33.3%
6−7
−33.3%
PLAYERUNKNOWN'S BATTLEGROUNDS 30−35
+17.9%
27−30
−17.9%
Red Dead Redemption 2 12−14
+9.1%
10−12
−9.1%
The Witcher 3: Wild Hunt 12−14
+18.2%
10−12
−18.2%
World of Tanks 60−65
+16.4%
55−60
−16.4%

Full HD
Ultra Preset

Battlefield 5 10−11
+25%
8−9
−25%
Dota 2 10−12
+22.2%
9−10
−22.2%
Far Cry 5 20−22
+17.6%
16−18
−17.6%
Forza Horizon 4 16−18
+14.3%
14−16
−14.3%
PLAYERUNKNOWN'S BATTLEGROUNDS 30−35
+17.9%
27−30
−17.9%
The Witcher 3: Wild Hunt 12−14
+30%
10−11
−30%

Full HD
Epic Preset

Fortnite 21−24
+31.3%
16−18
−31.3%

1440p
High Preset

Red Dead Redemption 2 2−3
+0%
2−3
+0%

1440p
Ultra Preset

Battlefield 5 4−5
+33.3%
3−4
−33.3%
Far Cry 5 8−9
+0%
8−9
+0%
Forza Horizon 4 3−4
+200%
1−2
−200%

1440p
Epic Preset

Fortnite 7−8
+40%
5−6
−40%

4K
High Preset

Grand Theft Auto V 16−18
+6.7%
14−16
−6.7%
Red Dead Redemption 2 2−3
+0%
2−3
+0%
The Witcher 3: Wild Hunt 16−18
+0%
16−18
+0%

4K
Ultra Preset

Battlefield 5 3−4
+50%
2−3
−50%
Dota 2 16−18
+0%
16−18
+0%
Far Cry 5 4−5
+33.3%
3−4
−33.3%
Forza Horizon 4 1−2 0−1
PLAYERUNKNOWN'S BATTLEGROUNDS 10−11
+25%
8−9
−25%

4K
Epic Preset

Fortnite 2−3
+100%
1−2
−100%

Full HD
Low Preset

Counter-Strike 2 10−12
+0%
10−12
+0%
Cyberpunk 2077 7−8
+0%
7−8
+0%
Elden Ring 6−7
+0%
6−7
+0%

Full HD
Medium Preset

Counter-Strike 2 10−12
+0%
10−12
+0%
Cyberpunk 2077 7−8
+0%
7−8
+0%
Metro Exodus 6−7
+0%
6−7
+0%
Valorant 2−3
+0%
2−3
+0%

Full HD
High Preset

Counter-Strike 2 10−12
+0%
10−12
+0%
Cyberpunk 2077 7−8
+0%
7−8
+0%
Elden Ring 6−7
+0%
6−7
+0%
Valorant 2−3
+0%
2−3
+0%

Full HD
Ultra Preset

Counter-Strike 2 10−12
+0%
10−12
+0%
Cyberpunk 2077 7−8
+0%
7−8
+0%
Valorant 2−3
+0%
2−3
+0%

1440p
High Preset

Dota 2 1−2
+0%
1−2
+0%
Elden Ring 3−4
+0%
3−4
+0%
Grand Theft Auto V 1−2
+0%
1−2
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 21−24
+0%
21−24
+0%
World of Tanks 21−24
+0%
21−24
+0%

1440p
Ultra Preset

Counter-Strike 2 9−10
+0%
9−10
+0%
Cyberpunk 2077 3−4
+0%
3−4
+0%
The Witcher 3: Wild Hunt 4−5
+0%
4−5
+0%
Valorant 10−11
+0%
10−11
+0%

4K
High Preset

Dota 2 16−18
+0%
16−18
+0%
Elden Ring 1−2
+0%
1−2
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 9−10
+0%
9−10
+0%

4K
Ultra Preset

Cyberpunk 2077 1−2
+0%
1−2
+0%
Fortnite 2−3
+0%
2−3
+0%
Valorant 3−4
+0%
3−4
+0%

This is how Maxwell GPU Surface Book (940M, GDDR5) and ATI Mobility HD 4870 X2 compete in popular games:

  • ATI Mobility HD 4870 X2 is 50% faster in 1080p

Here's the range of performance differences observed across popular games:

  • in Forza Horizon 4, with 1440p resolution and the Ultra Preset, the Maxwell GPU Surface Book (940M, GDDR5) is 200% faster.

All in all, in popular games:

  • Maxwell GPU Surface Book (940M, GDDR5) is ahead in 24 tests (41%)
  • there's a draw in 34 tests (59%)

Pros & cons summary

Performance score 3.69 3.12
Recency 1 October 2015 9 January 2009
Chip lithography 28 nm 55 nm

Maxwell GPU Surface Book (940M, GDDR5) has a 18.3% higher aggregate performance score, an age advantage of 6 years, and a 96.4% more advanced lithography process.

The Maxwell GPU Surface Book (940M, GDDR5) is our recommended choice as it beats the Mobility Radeon HD 4870 X2 in performance tests.

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

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.

NVIDIA Maxwell GPU Surface Book (940M, GDDR5)
Maxwell GPU Surface Book (940M, GDDR5)
ATI Mobility Radeon HD 4870 X2
Mobility Radeon HD 4870 X2
Like
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Community ratings

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

3.6 5 votes

Rate Maxwell GPU Surface Book (940M, GDDR5) on a scale of 1 to 5:

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3.3 4 votes

Rate Mobility Radeon HD 4870 X2 on a scale of 1 to 5:

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Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.