AMD Radeon R9 M395 vs AMD Radeon R9 M390X

AMD Radeon R9 M395

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The AMD Radeon R9 M395 is a high-end mobile graphics card that can be found in the 2015 iMac 5K 27-inch. It offers 1792 shader cores (28 compute cores) clocked at 834 MHz. The 2 GB GDDR5 dedicated graphics memory is connected with a 256 Bit bus at 1365 (= 5460 effective) MHz.

The performance should be between the older Radeon R9 M295X and the Desktop Radeon R7 370. Therefore, demanding Windows games like Fallout 4 or Call of Duty: Black Ops 3 should run in maximum details at 1920x1080 (with no headroom).

AMD Radeon R9 M390X

► remove AMD Radeon R9 M390X

The AMD Radeon R9 M390X is a mobile high-end graphics card for laptops. It is most likely based on the same chip as the AMD Radeon R9 M295X in the iMac 5K Late 2014. That means it should be based on the third generation of GCN (desktop Tonga chip). The amount of shader cores is identical but the core clock is reduced by 15% (from 850 MHz to 723 MHz) and the memory is also clocked slower (5448 MHz vs 5000 MHz).

The performance should be a bit below the M295X. Compared to the competition, the R9-M390X should be positioned somewhere between the GeForce GTX 965M and 970M and therefore suitable for high-end games in 1080p resolution and high detail settings.

The card was first mentioned by Alienware on their twitter account and should feature 4GB VRAM according to the tweet.

The power consumption should be rated around 100 Watt TDP and therefore suited only for large and bulky laptops (like the Alienware M17x it was announced in).

AMD Radeon R9 M395AMD Radeon R9 M390X
ManufacturerAMDAMD
Radeon R9 M300 Series
Radeon R9 M395X (compare) 2048 @ 909 (Boost) MHz256 Bit @ 5460 MHz
Radeon R9 M390X 2048 @ 723 (Boost) MHz256 Bit @ 5000 MHz
Radeon R9 M395 1792 @ 834 MHz256 Bit @ 5460 MHz
Radeon R9 M390 (compare) 1024 @ 958 (Boost) MHz256 Bit @ 5460 MHz
Radeon R9 M385X (compare) 896 @ 1100 MHz128 Bit @ 6000 MHz
Radeon R9 M385 (compare)128 Bit @ 6000 MHz
Radeon R9 M380 (compare) 768 @ 1000 MHz128 Bit @ 6000 MHz
Radeon R9 M370X (compare) 640 @ 800 MHz128 Bit @ 4500 MHz
Radeon R9 M365X (compare) 640 @ 900 - 925 (Boost) MHz128 Bit @ 4500 MHz
Radeon R9 M375 (compare) 640 @ 1015 MHz128 Bit @ 2200 MHz
Radeon R9 M395X (compare) 2048 @ 909 (Boost) MHz256 Bit @ 5460 MHz
Radeon R9 M390X 2048 @ 723 (Boost) MHz256 Bit @ 5000 MHz
Radeon R9 M395 1792 @ 834 MHz256 Bit @ 5460 MHz
Radeon R9 M390 (compare) 1024 @ 958 (Boost) MHz256 Bit @ 5460 MHz
Radeon R9 M385X (compare) 896 @ 1100 MHz128 Bit @ 6000 MHz
Radeon R9 M385 (compare)128 Bit @ 6000 MHz
Radeon R9 M380 (compare) 768 @ 1000 MHz128 Bit @ 6000 MHz
Radeon R9 M370X (compare) 640 @ 800 MHz128 Bit @ 4500 MHz
Radeon R9 M365X (compare) 640 @ 900 - 925 (Boost) MHz128 Bit @ 4500 MHz
Radeon R9 M375 (compare) 640 @ 1015 MHz128 Bit @ 2200 MHz
ArchitectureGCNGCN 3
1792 - 2048 -
Core834 MHz723 (Boost) MHz
Memory5460 MHz5000 MHz
Bus256 Bit256 Bit
MemoryGDDR5GDDR5
Max. Memory2048 MB4096 MB
nono
DirectXDirectX 12 (FL 12_0), 5.0DirectX 12 (FL 12_0), 5.0
Transistors5000 Million5000 Million
Technology28 nm28 nm
FeaturesDirectX 12, OpenCL 1.2, OpenGL 4.3, Vulkan, MantleDirectX 12, OpenCL 1.2, OpenGL 4.3, Vulkan, Mantle
Size
Introduced09.06.2015 09.06.2015
CodenameAmethyst (XT) / Tonga

3DMark - Cloud Gate Standard Score 1280x720
16305 Points (26%)
3DMark - Cloud Gate Standard Graphics 1280x720
38490 Points (21%)
3DMark - Fire Strike Score 1920x1080
5920 Points (22%)
3DMark - Fire Strike Graphics 1920x1080
6819 Points (17%)
3DMark - Ice Storm Standard Graphics 1280x720
203122 Points (27%)
3DMark 11 - Performance 1280x720
8305 points (24%)
9082 points (26%)
3DMark 11 - Performance GPU 1280x720
8656 points (17%)
9448 points (19%)

Average Benchmarks AMD Radeon R9 M395 → 100%

Average Benchmarks AMD Radeon R9 M390X → 109%

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* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

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Redaktion, 2017-09- 8 (Update: 2017-09-11)