Radeon R7 (Bristol Ridge) vs R6 M255DX

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Aggregate performance score

We've compared Radeon R6 M255DX and Radeon R7 (Bristol Ridge), covering specs and all relevant benchmarks.

R6 M255DX
2014
1.45

R7 (Bristol Ridge) outperforms R6 M255DX by a significant 24% based on our aggregate benchmark results.

Primary details

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

Place in the ranking1028966
Place by popularitynot in top-100not in top-100
Power efficiencyno data3.07
ArchitectureGCN 1.0 (2012−2020)GCN 1.2 (2016)
GPU code nameJetBristol Ridge
Market segmentLaptopLaptop
Release date7 January 2014 (11 years ago)1 June 2016 (9 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 cores320512
Core clock speed780 MHzno data
Boost clock speed855 MHz900 MHz
Number of transistors690 million2410 Million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)no data12-45 Watt
Texture fill rate17.10no data
Floating-point processing power0.5472 TFLOPSno data
ROPs8no data
TMUs20no data
L1 Cache80 KBno data
L2 Cache128 KBno data

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 sizemedium sizedmedium sized
InterfaceIGPno data

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 typeSystem Sharedno data
Maximum RAM amountSystem Sharedno data
Memory bus widthSystem Shared64/128 Bit
Memory clock speedSystem Sharedno data
Shared memory++

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 outputsno data
Eyefinity+-

Supported technologies

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

AppAcceleration+-

API and SDK support

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

DirectX12 (11_1)12 (FL 12_0)
Shader Model5.1no data
OpenGL4.6no data
OpenCL1.2no data
Vulkan1.2.131-

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.

R6 M255DX 1.45
R7 (Bristol Ridge) 1.80
+24.1%

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.

R6 M255DX 605
Samples: 11
R7 (Bristol Ridge) 754
+24.6%

3DMark 11 Performance GPU

3DMark 11 is an obsolete DirectX 11 benchmark by Futuremark. It used four tests based on two scenes, one being few submarines exploring the submerged wreck of a sunken ship, the other is an abandoned temple deep in the jungle. All the tests are heavy with volumetric lighting and tessellation, and despite being done in 1280x720 resolution, are relatively taxing. Discontinued in January 2020, 3DMark 11 is now superseded by Time Spy.

R6 M255DX 2198
+18.7%
R7 (Bristol Ridge) 1852

3DMark Vantage Performance

3DMark Vantage is an outdated DirectX 10 benchmark using 1280x1024 screen resolution. It taxes the graphics card with two scenes, one depicting a girl escaping some militarized base located within a sea cave, the other displaying a space fleet attack on a defenseless planet. It was discontinued in April 2017, and Time Spy benchmark is now recommended to be used instead.

R6 M255DX 5008
R7 (Bristol Ridge) 5568
+11.2%

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.

R6 M255DX 1115
+10%
R7 (Bristol Ridge) 1013

3DMark Cloud Gate GPU

Cloud Gate is an outdated DirectX 11 feature level 10 benchmark that was used for home PCs and basic notebooks. It displays a few scenes of some weird space teleportation device launching spaceships into unknown, using fixed resolution of 1280x720. Just like Ice Storm benchmark, it has been discontinued in January 2020 and replaced by 3DMark Night Raid.

R6 M255DX 7172
+35%
R7 (Bristol Ridge) 5311

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 HD11
−27.3%
14
+27.3%

FPS performance in popular games

Full HD
Low

Counter-Strike 2 0−1 2−3
Cyberpunk 2077 3−4
−33.3%
4−5
+33.3%

Full HD
Medium

Battlefield 5 2−3
−100%
4−5
+100%
Counter-Strike 2 0−1 2−3
Cyberpunk 2077 3−4
−33.3%
4−5
+33.3%
Escape from Tarkov 4−5
−50%
6−7
+50%
Far Cry 5 3−4
−33.3%
4−5
+33.3%
Fortnite 5−6
−40%
7−8
+40%
Forza Horizon 4 8−9
−25%
10−11
+25%
Forza Horizon 5 2−3
−50%
3−4
+50%
PLAYERUNKNOWN'S BATTLEGROUNDS 10−11
−10%
10−12
+10%
Valorant 35−40
−8.6%
35−40
+8.6%

Full HD
High

Battlefield 5 2−3
−100%
4−5
+100%
Counter-Strike 2 0−1 2−3
Counter-Strike: Global Offensive 30−35
−18.8%
35−40
+18.8%
Cyberpunk 2077 3−4
−33.3%
4−5
+33.3%
Dota 2 18−20
+12.5%
16
−12.5%
Escape from Tarkov 4−5
−50%
6−7
+50%
Far Cry 5 3−4
−33.3%
4−5
+33.3%
Fortnite 5−6
−40%
7−8
+40%
Forza Horizon 4 8−9
−25%
10−11
+25%
Forza Horizon 5 2−3
−50%
3−4
+50%
Grand Theft Auto V 1−2
−400%
5
+400%
Metro Exodus 2−3
−50%
3−4
+50%
PLAYERUNKNOWN'S BATTLEGROUNDS 10−11
−10%
10−12
+10%
The Witcher 3: Wild Hunt 7−8
−14.3%
8−9
+14.3%
Valorant 35−40
−8.6%
35−40
+8.6%

Full HD
Ultra

Battlefield 5 2−3
−100%
4−5
+100%
Cyberpunk 2077 3−4
−33.3%
4−5
+33.3%
Dota 2 18−20
+28.6%
14
−28.6%
Escape from Tarkov 4−5
−50%
6−7
+50%
Far Cry 5 3−4
−33.3%
4−5
+33.3%
Forza Horizon 4 8−9
−25%
10−11
+25%
PLAYERUNKNOWN'S BATTLEGROUNDS 10−11
−10%
10−12
+10%
The Witcher 3: Wild Hunt 7−8
−14.3%
8−9
+14.3%
Valorant 35−40
−8.6%
35−40
+8.6%

Full HD
Epic

Fortnite 5−6
−40%
7−8
+40%

1440p
High

Counter-Strike 2 4−5
−25%
5−6
+25%
Counter-Strike: Global Offensive 10−11
−30%
12−14
+30%
PLAYERUNKNOWN'S BATTLEGROUNDS 14−16
−20%
18−20
+20%
Valorant 7−8
−71.4%
12−14
+71.4%

1440p
Ultra

Cyberpunk 2077 1−2
+0%
1−2
+0%
Escape from Tarkov 3−4
−33.3%
4−5
+33.3%
Far Cry 5 2−3
+0%
2−3
+0%
Forza Horizon 4 4−5
−25%
5−6
+25%
The Witcher 3: Wild Hunt 2−3
−50%
3−4
+50%

1440p
Epic

Fortnite 2−3
−50%
3−4
+50%

4K
High

Grand Theft Auto V 14−16
+0%
14−16
+0%
Valorant 7−8
−28.6%
9−10
+28.6%

4K
Ultra

Dota 2 2−3
−50%
3−4
+50%
Escape from Tarkov 0−1 0−1
PLAYERUNKNOWN'S BATTLEGROUNDS 2−3
−50%
3−4
+50%

4K
Epic

Fortnite 2−3
−50%
3−4
+50%

4K
Ultra

Far Cry 5 0−1 0−1
Forza Horizon 4 0−1 0−1

This is how R6 M255DX and R7 (Bristol Ridge) compete in popular games:

  • R7 (Bristol Ridge) is 27% faster in 1080p

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

  • in Dota 2, with 1080p resolution and the Ultra Preset, the R6 M255DX is 29% faster.
  • in Grand Theft Auto V, with 1080p resolution and the High Preset, the R7 (Bristol Ridge) is 400% faster.

All in all, in popular games:

  • R6 M255DX performs better in 2 tests (4%)
  • R7 (Bristol Ridge) performs better in 44 tests (90%)
  • there's a draw in 3 tests (6%)

Pros & cons summary


Performance score 1.45 1.80
Recency 7 January 2014 1 June 2016

R7 (Bristol Ridge) has a 24.1% higher aggregate performance score, and an age advantage of 2 years.

The Radeon R7 (Bristol Ridge) is our recommended choice as it beats the Radeon R6 M255DX in performance tests.

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AMD Radeon R6 M255DX
Radeon R6 M255DX
AMD Radeon R7 (Bristol Ridge)
Radeon R7 (Bristol Ridge)

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.


2.8 16 votes

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3.6 45 votes

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