NVIDIA GeForce GTX 980MX vs AMD Radeon R9 390X

GPU · Specs Compare

Products
GPU NVIDIA GeForce GTX 980MX NVIDIA · 2016-06
GPU AMD Radeon R9 390X AMD · 2015-06
Graphics Card
Release Date
Jun 2016
Jun 2015
Generation
GeForce 900M
Pirate Islands
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1050 MHz
—
Boost Clock
1178 MHz
—
Memory Clock
1500 MHz
1500 MHz
Memory
Memory Size
8GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
512bit
Bandwidth
192.0GB/s
384.0GB/s
Render Config
Shading Units
1664
2816
TMUs
104
176
ROPs
64
64
L1 Cache
48 KB (per SMM)
16 KB (per CU)
L2 Cache
2 MB
1024 KB
Compute Units
—
44
Theoretical Performance
Pixel Rate
75.39 GPixel/s
67.20 GPixel/s
Texture Rate
122.5 GTexel/s
184.8 GTexel/s
FP32 (float)
3.920 TFLOPS
5.914 TFLOPS
FP64 (double)
122.5 GFLOPS
739.2 GFLOPS
Graphics Processor
GPU Name
GM204
Grenada
GPU Variant
N16E-GXX-A1
Grenada XT(215-0880004)
Architecture
Maxwell 2.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
5.2 billion
6.2 billion
Die Size
398 mm²
438 mm²
Board Design
TDP
148W
275W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin + 1x 8-pin
Suggested PSU
—
600 W
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.