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GPU Comparison
NVIDIA GeForce GTX 980M vs AMD Radeon R9 M390 Mac Edition
NVIDIA GeForce GTX 980M vs AMD Radeon R9 M390 Mac Edition
VS
NVIDIA GeForce GTX 980M
AMD Radeon R9 M390 Mac Edition
We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 980M and 2GB VRAM Radeon R9 M390 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 980M 's Advantages
Boost Clock1127MHz
More VRAM (8GB vs 2GB)
512 additional rendering cores
AMD Radeon R9 M390 Mac Edition 's Advantages
Released 7 months late
Larger VRAM bandwidth (174.7GB/s vs 160.4GB/s)
Score
Benchmark
FP32 (float)
GeForce GTX 980M
+76%
3.462 TFLOPS
Radeon R9 M390 Mac Edition
1.962 TFLOPS
GeForce GTX 980M
VS
Radeon R9 M390 Mac Edition
Graphics Card
Oct 2014
Release Date
May 2015
GeForce 900M
Generation
Crystal System
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x16
Clock Speeds
1038 MHz
Base Clock
-
1127 MHz
Boost Clock
-
1253 MHz
Memory Clock
1365 MHz
Memory
8GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
160.4GB/s
Bandwidth
174.7GB/s
Render Config
-
SM Count
-
-
Compute Units
16
1536
Shading Units
1024
96
TMUs
64
64
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
48 KB (per SMM)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
512 KB
Theoretical Performance
72.13 GPixel/s
Pixel Rate
30.66 GPixel/s
108.2 GTexel/s
Texture Rate
61.31 GTexel/s
-
FP16 (half)
-
3.462 TFLOPS
FP32 (float)
1.962 TFLOPS
108.2 GFLOPS
FP64 (double)
122.6 GFLOPS
Graphics Processor
GM204
GPU Name
Pitcairn
N16E-GX-A1
GPU Variant
Pitcairn PRO (215-0828062)
Maxwell 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
5.2 billion
Transistors
2.8 billion
398 mm²
Die Size
212 mm²
Board Design
Unknown
TDP
80W
-
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
None
Graphics Features
12 (12_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.3
Vulkan
1.2
5.2
CUDA
-
6.7 (6.4)
Shader Model
5.1
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