NVIDIA GeForce 920A vs AMD Radeon R9 M390 Mac Edition

VS

NVIDIA GeForce 920A

AMD Radeon R9 M390 Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM GeForce 920A 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 920A 's Advantages

Lower TDP (33W vs 80W)

AMD Radeon R9 M390 Mac Edition 's Advantages

Larger VRAM bandwidth (174.7GB/s vs 16.02GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 920A

0.733 TFLOPS

Radeon R9 M390 Mac Edition +167%

1.962 TFLOPS

GeForce 920A

VS

Radeon R9 M390 Mac Edition

Graphics Card

Mar 2015

Release Date

May 2015

GeForce 900A

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1001 MHz

Memory Clock

1365 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.02GB/s

Bandwidth

174.7GB/s

Render Config

-

Compute Units

16

-

384

Shading Units

1024

32

TMUs

64

8

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

7.632 GPixel/s

Pixel Rate

30.66 GPixel/s

30.53 GTexel/s

Texture Rate

61.31 GTexel/s

-

732.7 GFLOPS

FP32 (float)

1.962 TFLOPS

30.53 GFLOPS

FP64 (double)

122.6 GFLOPS

Board Design

33W

TDP

80W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK208B

GPU Name

Pitcairn

N16V-GM

GPU Variant

Pitcairn PRO (215-0828062)

Kepler 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.02 billion

Transistors

2.8 billion

87 mm²

Die Size

212 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.5

CUDA

-

5.1

Shader Model

5.1

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