NVIDIA GeForce GTX 980MX vs AMD Radeon R9 M485X
GPU · Specs Compare
Graphics Card
Release Date
Jun 2016
May 2016
Generation
GeForce 900M
Crystal System
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
1050 MHz
—
Boost Clock
1178 MHz
—
Memory Clock
1500 MHz
1250 MHz
Memory
Memory Size
8GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
192.0GB/s
160.0GB/s
Render Config
Shading Units
1664
2048
TMUs
104
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
75.39 GPixel/s
23.14 GPixel/s
Texture Rate
122.5 GTexel/s
92.54 GTexel/s
FP32 (float)
3.920 TFLOPS
2.961 TFLOPS
FP64 (double)
122.5 GFLOPS
185.1 GFLOPS
FP16 (half)
—
2.961 TFLOPS
Graphics Processor
GPU Name
GM204
Amethyst
GPU Variant
N16E-GXX-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
148W
250W
Outputs
No outputs
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
6.4
6.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.