Radeon 620 vs R5 M255

VS

Aggregate performance score

We've compared Radeon R5 M255 and Radeon 620, covering specs and all relevant benchmarks.

R5 M255
2014
4 GB DDR3
1.39

620 outperforms R5 M255 by an impressive 67% based on our aggregate benchmark results.

Primary details

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

Place in the ranking1005848
Place by popularitynot in top-100not in top-100
Power efficiencyno data3.23
ArchitectureGCN 3.0 (2014−2019)GCN 3.0 (2014−2019)
GPU code nameTopazPolaris 24
Market segmentLaptopLaptop
Release date12 October 2014 (10 years ago)13 May 2019 (5 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 cores384384
Compute units5no data
Core clock speed925 MHz730 MHz
Boost clock speed940 MHz1024 MHz
Number of transistors1,550 million1,550 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)no data50 Watt
Texture fill rate22.5624.58
Floating-point processing power0.7219 TFLOPS0.7864 TFLOPS
ROPs88
TMUs2424

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 supportPCIe 3.0 x8no data
InterfacePCIe 3.0 x8PCIe 3.0 x8
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 typeDDR3DDR3
Maximum RAM amount4 GB2 GB
Memory bus width64 Bit64 Bit
Memory clock speed1000 MHz900 MHz
Memory bandwidth16 GB/s14.4 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 outputsNo outputs
Eyefinity+-

Supported technologies

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

AppAcceleration+-
HD3D+-
PowerTune+-
DualGraphics+-
ZeroCore+-
Switchable graphics+-

API compatibility

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

DirectXDirectX® 1112 (12_0)
Shader Model6.36.3
OpenGL4.44.6
OpenCLNot Listed2.0
Vulkan-1.2.131
Mantle+-

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.

R5 M255 1.39
Radeon 620 2.32
+66.9%

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.

R5 M255 536
Radeon 620 894
+66.8%

3DMark Fire Strike Graphics

Fire Strike is a DirectX 11 benchmark for gaming PCs. It features two separate tests displaying a fight between a humanoid and a fiery creature made of lava. Using 1920x1080 resolution, Fire Strike shows off some realistic graphics and is quite taxing on hardware.

R5 M255 1081
Radeon 620 1730
+60.1%

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:

900p21
−66.7%
35−40
+66.7%
Full HD13
−61.5%
21−24
+61.5%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 6
+20%
5−6
−20%

Full HD
Medium Preset

Assassin's Creed Odyssey 6−7
−33.3%
8−9
+33.3%
Call of Duty: Modern Warfare 4−5
−50%
6−7
+50%
Cyberpunk 2077 4−5
−25%
5−6
+25%
Far Cry 5 2−3
−100%
4−5
+100%
Far Cry New Dawn 3−4
−100%
6−7
+100%
Forza Horizon 4 3−4
−267%
10−12
+267%
Hitman 3 5
−40%
7−8
+40%
Horizon Zero Dawn 14−16
−26.7%
18−20
+26.7%
Red Dead Redemption 2 9
+80%
5−6
−80%
Shadow of the Tomb Raider 12
+9.1%
10−12
−9.1%
Watch Dogs: Legion 30−35
−12.1%
35−40
+12.1%

Full HD
High Preset

Assassin's Creed Odyssey 6−7
−33.3%
8−9
+33.3%
Call of Duty: Modern Warfare 4−5
−50%
6−7
+50%
Cyberpunk 2077 4−5
−25%
5−6
+25%
Far Cry 5 2−3
−100%
4−5
+100%
Far Cry New Dawn 3−4
−100%
6−7
+100%
Forza Horizon 4 3−4
−267%
10−12
+267%
Hitman 3 6−7
−16.7%
7−8
+16.7%
Horizon Zero Dawn 14−16
−26.7%
18−20
+26.7%
Red Dead Redemption 2 2−3
−150%
5−6
+150%
Shadow of the Tomb Raider 8
−37.5%
10−12
+37.5%
The Witcher 3: Wild Hunt 21
+61.5%
12−14
−61.5%
Watch Dogs: Legion 30−35
−12.1%
35−40
+12.1%

Full HD
Ultra Preset

Assassin's Creed Odyssey 6−7
−33.3%
8−9
+33.3%
Call of Duty: Modern Warfare 4−5
−50%
6−7
+50%
Cyberpunk 2077 4−5
−25%
5−6
+25%
Far Cry 5 2−3
−100%
4−5
+100%
Forza Horizon 4 3−4
−267%
10−12
+267%
Hitman 3 6−7
−16.7%
7−8
+16.7%
Horizon Zero Dawn 5
−280%
18−20
+280%
Shadow of the Tomb Raider 8
−37.5%
10−12
+37.5%
The Witcher 3: Wild Hunt 3
−333%
12−14
+333%
Watch Dogs: Legion 30−35
−12.1%
35−40
+12.1%

Full HD
Epic Preset

Red Dead Redemption 2 2−3
−150%
5−6
+150%

1440p
High Preset

Battlefield 5 1−2
−300%
4−5
+300%
Far Cry New Dawn 2−3
−50%
3−4
+50%

1440p
Ultra Preset

Assassin's Creed Odyssey 1−2
−100%
2−3
+100%
Call of Duty: Modern Warfare 0−1 1−2
Cyberpunk 2077 1−2
+0%
1−2
+0%
Far Cry 5 1−2
−200%
3−4
+200%
Hitman 3 7−8
+0%
7−8
+0%
Horizon Zero Dawn 5−6
−20%
6−7
+20%
The Witcher 3: Wild Hunt 1−2
+0%
1−2
+0%
Watch Dogs: Legion 7−8
−85.7%
12−14
+85.7%

1440p
Epic Preset

Red Dead Redemption 2 4−5
−25%
5−6
+25%

4K
High Preset

Far Cry New Dawn 1−2
+0%
1−2
+0%

4K
Ultra Preset

Assassin's Creed Odyssey 1−2
−100%
2−3
+100%
Assassin's Creed Valhalla 1−2
+0%
1−2
+0%
Call of Duty: Modern Warfare 0−1 1−2
Far Cry 5 0−1 1−2

4K
Epic Preset

Red Dead Redemption 2 3−4
+0%
3−4
+0%

Full HD
Medium Preset

Battlefield 5 3−4
+0%
3−4
+0%
Metro Exodus 1−2
+0%
1−2
+0%

Full HD
High Preset

Battlefield 5 3−4
+0%
3−4
+0%
Metro Exodus 1−2
+0%
1−2
+0%

4K
High Preset

Battlefield 5 0−1 0−1

4K
Ultra Preset

Watch Dogs: Legion 0−1 0−1

This is how R5 M255 and Radeon 620 compete in popular games:

  • Radeon 620 is 67% faster in 900p
  • Radeon 620 is 62% faster in 1080p

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

  • in Red Dead Redemption 2, with 1080p resolution and the Medium Preset, the R5 M255 is 80% faster.
  • in The Witcher 3: Wild Hunt, with 1080p resolution and the Ultra Preset, the Radeon 620 is 333% faster.

All in all, in popular games:

  • R5 M255 is ahead in 4 tests (8%)
  • Radeon 620 is ahead in 39 tests (74%)
  • there's a draw in 10 tests (19%)

Pros & cons summary


Performance score 1.39 2.32
Recency 12 October 2014 13 May 2019
Maximum RAM amount 4 GB 2 GB

R5 M255 has a 100% higher maximum VRAM amount.

Radeon 620, on the other hand, has a 66.9% higher aggregate performance score, and an age advantage of 4 years.

The Radeon 620 is our recommended choice as it beats the Radeon R5 M255 in performance tests.


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

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AMD Radeon R5 M255
Radeon R5 M255
AMD Radeon 620
Radeon 620

Comparisons with similar GPUs

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 65 votes

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3.2 65 votes

Rate Radeon 620 on a scale of 1 to 5:

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Questions & comments

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