NVIDIA GeForce GTX 980M vs AMD Radeon R9 M395X Mac Edition
GPU · Specs Compare
Graphics Card
Release Date
Oct 2014
May 2015
Generation
GeForce 900M
Crystal System
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
MXM-B (3.0)
Clock Speeds
Base Clock
1038 MHz
—
Boost Clock
1127 MHz
—
Memory Clock
1253 MHz
1365 MHz
Memory
Memory Size
8GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
160.4GB/s
174.7GB/s
Render Config
Shading Units
1536
2048
TMUs
96
128
ROPs
64
32
L1 Cache
48 KB (per SMM)
16 KB (per CU)
L2 Cache
2 MB
512 KB
Compute Units
—
32
Theoretical Performance
Pixel Rate
72.13 GPixel/s
29.09 GPixel/s
Texture Rate
108.2 GTexel/s
116.4 GTexel/s
FP32 (float)
3.462 TFLOPS
3.723 TFLOPS
FP64 (double)
108.2 GFLOPS
232.7 GFLOPS
FP16 (half)
—
3.723 TFLOPS
Graphics Processor
GPU Name
GM204
Amethyst
GPU Variant
N16E-GX-A1
Amethyst XT
Architecture
Maxwell 2.0
GCN 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
5.2 billion
5 billion
Die Size
398 mm²
366 mm²
Board Design
TDP
Unknown
250W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 (12_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.3
1.2
CUDA
5.2
—
Shader Model
6.7 (6.4)
6.3
Benchmark
3DMark Time Spy
3,916
—
3DMark Time Spy Extreme
1,767
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.