AMD Radeon R5 M255
The AMD Radeon R5 M255 is an entry-level DirectX 12 graphics card for laptops, which is based on the Sun GPU (GCN architecture). The core is clocked at up to 940 MHz and the DDR3 graphics memory runs at 1000 MHz (64-bit interface).
Architecture
Compared to the Mars chip (e.g. HD 8570M), Sun offers less hardware units. The GPU integrates 320 shaders, 20 TMUs and 4 ROPs and is therefore located in the low-end segment.
Performance
The performance of the Radeon R5 M255 is similar to the HD 8500M series, e.g. the HD 8570M. Due to a slightly higher core clock, the M255 beats the R5 M230. Overall, the GPU performs a bit better than a GeForce 820M and beats Intels HD Graphics 4600. Current and demanding games of 2014 will run fluently only in low resolutions and detail settings.
The 320 shaders can be used with OpenCL 1.2 for general-purpose calculations (as 5 compute units). Compared to old TeraScale 2 chips, the GCN-based architecture offers improved performance in this framework.
Features
The R5 series also supports automatic graphics switching between the integrated GPU and discrete GPU. Called Enduro, the technology supersedes AMD's Dynamic Switchable Graphics and is similar to Nvidia's Optimus. Furthermore, the R5 M255 can directly support multiple monitors using Eyefinity technology.
Other features of the R5 series include ZeroCore for reducing power consumption when the display is turned off and Power Gating to power down areas of the chip that are not used. PowerTune allows automatic overclocking and underclocking of the graphics card as long as the GPU is within its TDP limit. For example, the chip may be underclocked when running FurMark and OCCT, but will overclock in certain games.
Power Consumption
The power consumption should be similar to slower models of the HD 8500M or 8600M series. As a result, the R5 M255 is suited for 13-inch notebooks or larger.
| Manufacturer | AMD |
| Radeon R5 M200 Series | | Radeon R5 M255 | 320 @ 0.94 GHz | 64 Bit @ 1800 - 2000 MHz | Radeon R5 M240  | 320 @ 1.03 GHz | 64 Bit @ 1800 MHz | | Radeon R5 M230 | 320 @ 0.86 GHz | 64 Bit @ 1800 - 2000 MHz |
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| Codename | Topaz Pro / Sun |
| Architecture | GCN |
| Pipelines | 320 - unified |
| Core Speed | 940 MHz |
| Memory Speed | 1800 - 2000 MHz |
| Memory Bus Width | 64 Bit |
| Memory Type | DDR3 |
| Max. Amount of Memory | 4096 MB |
| Shared Memory | no |
| DirectX | DirectX 12, Shader 5.0 |
| technology | 28 nm |
| Features | PCI Express 3.0 x8, App Acceleration, PowerPlay, PowerTune, ZeroCore, Enduro, Eyefinity, Mantle |
| Date of Announcement | 01.05.2014 |
| Link to Manufacturer Page | http://www.amd.com/US/PRODUCTS/NOTEBOOK/... |
Benchmarks
Performance Rating - 3DMark 11 + Fire Strike + Time Spy
5 pt (5%)
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3DMark - 3DMark Cloud Gate Score
min: 4606 avg: 4880 median: 4859 (6%) max: 5169 Points
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3DMark - 3DMark Cloud Gate Graphics
min: 5936 avg: 6043 median: 6053 (3%) max: 6164 Points
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3DMark - 3DMark Fire Strike Standard Score
min: 973 avg: 982 median: 980 (3%) max: 994 Points
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3DMark - 3DMark Fire Strike Standard Graphics
min: 1068 avg: 1078 median: 1080.5 (2%) max: 1084 Points
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3DMark - 3DMark Ice Storm Graphics
min: 34939 avg: 42701 median: 44076.5 (6%) max: 47713 Points
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3DMark 11 - 3DM11 Performance Score
min: 1866 avg: 1952 median: 1907 (4%) max: 2173 Points
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3DMark 11 - 3DM11 Performance GPU
min: 1717 avg: 1831 median: 1784 (3%) max: 2080 Points
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NVIDIA GeForce GTS 450 3%
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3DMark Vantage
3DM Vant. Perf. total +3DMark Vantage - 3DM Vant. Perf. total
5399 Points (5%)
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NVIDIA GeForce GT 240 GDDR5 -3%
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3DM Vant. Perf. GPU no PhysX +3DMark Vantage - 3DM Vant. Perf. GPU no PhysX
4804 Points (4%)
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3DMark 06 3DMark 06 - Standard 1280x1024 +8935 Points (17%)
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Unigine Heaven 2.1 - Heaven 2.1 high
18.7 fps (4%)
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SPECviewperf 12
specvp12 sw-03 +SPECviewperf 12 - specvp12 sw-03
min: 8.47 avg: 8.7 median: 8.7 (4%) max: 8.83 fps
| HP ProBook 470 G2 G6W52EA | 4210U | 4 GB | 940 / 1000 MHz | 1 GB | 8.47 |
| HP ProBook 470 G2 K9W25EA | 5500U | 16 GB | 940 / 1000 MHz | 2 GB | 8.83 |
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specvp12 snx-02 +SPECviewperf 12 - specvp12 snx-02
min: 3.21 avg: 3.3 median: 3.3 (1%) max: 3.34 fps
| HP ProBook 470 G2 G6W52EA | 4210U | 4 GB | 940 / 1000 MHz | 1 GB | 3.21 |
| HP ProBook 470 G2 K9W25EA | 5500U | 16 GB | 940 / 1000 MHz | 2 GB | 3.34 |
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specvp12 showcase-01 +SPECviewperf 12 - specvp12 showcase-01
min: 14.15 avg: 14.2 median: 14.2 (6%) max: 14.23 fps
| HP ProBook 470 G2 G6W52EA | 4210U | 4 GB | 940 / 1000 MHz | 1 GB | 14.15 |
| HP ProBook 470 G2 K9W25EA | 5500U | 16 GB | 940 / 1000 MHz | 2 GB | 14.23 |
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specvp12 mediacal-01 +SPECviewperf 12 - specvp12 mediacal-01
min: 3.23 avg: 3.4 median: 3.4 (3%) max: 3.61 fps
| HP ProBook 470 G2 G6W52EA | 4210U | 4 GB | 940 / 1000 MHz | 1 GB | 3.23 |
| HP ProBook 470 G2 K9W25EA | 5500U | 16 GB | 940 / 1000 MHz | 2 GB | 3.61 |
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specvp12 maya-04 +SPECviewperf 12 - specvp12 maya-04
min: 5.89 avg: 6 median: 6 (3%) max: 6.19 fps
| HP ProBook 470 G2 G6W52EA | 4210U | 4 GB | 940 / 1000 MHz | 1 GB | 5.89 |
| HP ProBook 470 G2 K9W25EA | 5500U | 16 GB | 940 / 1000 MHz | 2 GB | 6.19 |
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specvp12 energy-01 +SPECviewperf 12 - specvp12 energy-01
min: 13.98 avg: 14.2 median: 14.2 (46%) max: 14.4 fps
| HP ProBook 470 G2 G6W52EA | 4210U | 4 GB | 940 / 1000 MHz | 1 GB | 13.98 |
| HP ProBook 470 G2 K9W25EA | 5500U | 16 GB | 940 / 1000 MHz | 2 GB | 14.4 |
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specvp12 creo-01 +SPECviewperf 12 - specvp12 creo-01
min: 14.93 avg: 15.6 median: 15.6 (9%) max: 16.31 fps
| HP ProBook 470 G2 G6W52EA | 4210U | 4 GB | 940 / 1000 MHz | 1 GB | 14.93 |
| HP ProBook 470 G2 K9W25EA | 5500U | 16 GB | 940 / 1000 MHz | 2 GB | 16.31 |
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specvp12 catia-04 +SPECviewperf 12 - specvp12 catia-04
min: 4.56 avg: 4.8 median: 4.8 (2%) max: 5.03 fps
| HP ProBook 470 G2 G6W52EA | 4210U | 4 GB | 940 / 1000 MHz | 1 GB | 4.56 |
| HP ProBook 470 G2 K9W25EA | 5500U | 16 GB | 940 / 1000 MHz | 2 GB | 5.03 |
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Cinebench R10 Cinebench R10 Shading (32bit) +Cinebench R10 - Cinebench R10 Shading (32bit)
min: 5079 avg: 6014 median: 5647.5 (27%) max: 7681 points
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Cinebench R11.5 Cinebench R11.5 OpenGL 64 Bit +Cinebench R11.5 - Cinebench R11.5 OpenGL 64 Bit
min: 36.61 avg: 40.5 median: 40.5 (18%) max: 44.52 fps
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Cinebench R15
Cinebench R15 OpenGL 64 Bit +Cinebench R15 - Cinebench R15 OpenGL 64 Bit
min: 34.43 avg: 35.8 median: 34.7 (10%) max: 37.7 fps
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Cinebench R15 OpenGL Ref. Match 64 Bit +Cinebench R15 - Cinebench R15 OpenGL Ref. Match 64 Bit
98 % (98%)
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GFXBench 3.0 - GFXBench 3.0 Manhattan Offscreen
16.9 fps (2%)
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GFXBench 3.0 - GFXBench 3.0 Manhattan
22.6 fps (6%)
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LuxMark v2.0 64Bit - LuxMark v2.0 Room GPU
159 Samples/s (2%)
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LuxMark v2.0 64Bit - LuxMark v2.0 Sala GPU
292 Samples/s (1%)
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ComputeMark v2.1 - ComputeMark v2.1 Result
1073 points (2%)
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- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance
Game Benchmarks
The following benchmarks stem from our benchmarks of review laptops. The performance depends on the used graphics memory, clock rate, processor, system settings, drivers, and operating systems. So the results don't have to be representative for all laptops with this GPU. For detailed information on the benchmark results, click on the fps number.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» With all tested laptops playable in detail settings low.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» With all tested laptops playable in detail settings low.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» With all tested laptops playable in detail settings low.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» With all tested laptops playable in detail settings low.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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14.3 [X] HP Probook 470 G2 G6W69EAIntel Core i7-4510U 2GHz
Radeon R5 M255
fps
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