Home GPU Comparison AMD Radeon R9 M385 vs NVIDIA GeForce GTX 970M

AMD Radeon R9 M385 vs NVIDIA GeForce GTX 970M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385 and 3GB VRAM GeForce GTX 970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M385 's Advantages
Released 7 months late
More VRAM (4GB vs 3GB)
NVIDIA GeForce GTX 970M 's Advantages
Boost Clock has increased by 4% (1038MHz vs 1000MHz)
Larger VRAM bandwidth (120.3GB/s vs 76.80GB/s)
384 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon R9 M385
1.792 TFLOPS
GeForce GTX 970M +48%
2.657 TFLOPS
VS

Graphics Card

May 2015
Release Date
Oct 2014
Gem System
Generation
GeForce 900M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-B (3.0)

Clock Speeds

900 MHz
Base Clock
924 MHz
1000 MHz
Boost Clock
1038 MHz
1200 MHz
Memory Clock
1253 MHz

Memory

4GB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
192bit
76.80GB/s
Bandwidth
120.3GB/s

Render Config

14
Compute Units
-
-
-
-
896
Shading Units
1280
56
TMUs
80
16
ROPs
48
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
48 KB (per SMM)
256 KB
L2 Cache
1536 KB
-
-
-

Theoretical Performance

16.00 GPixel/s
Pixel Rate
49.82 GPixel/s
56.00 GTexel/s
Texture Rate
83.04 GTexel/s
-
-
-
1.792 TFLOPS
FP32 (float)
2.657 TFLOPS
112.0 GFLOPS
FP64 (double)
83.04 GFLOPS

Board Design

Unknown
TDP
Unknown
-
-
-
Portable Device Dependent
Outputs
Portable Device Dependent
-
Power Connectors
None

Graphics Processor

Strato
GPU Name
GM204
Strato XT
GPU Variant
N16E-GT-A2
GCN 2.0
Architecture
Maxwell 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.08 billion
Transistors
5.2 billion
160 mm²
Die Size
398 mm²

Graphics Features

12 (12_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.2.170
Vulkan
1.3
-
CUDA
5.2
6.5
Shader Model
6.7 (6.4)

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