AMD Radeon R9 M390 Mac Edition vs NVIDIA GeForce 305M

VS

AMD Radeon R9 M390 Mac Edition

NVIDIA GeForce 305M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 512MB VRAM GeForce 305M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M390 Mac Edition 's Advantages

Released 5 years and 4 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (174.7GB/s vs 11.20GB/s)

1008 additional rendering cores

NVIDIA GeForce 305M 's Advantages

Lower TDP (14W vs 80W)

Score

Benchmark

FP32 (float)

Radeon R9 M390 Mac Edition +5202%

1.962 TFLOPS

GeForce 305M

0.037 TFLOPS

Radeon R9 M390 Mac Edition

VS

GeForce 305M

Graphics Card

May 2015

Release Date

Jan 2010

Crystal System

Generation

GeForce 300M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1365 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

64bit

174.7GB/s

Bandwidth

11.20GB/s

Render Config

16

Compute Units

-

SM Count

2

1024

Shading Units

16

64

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

32 KB

-

Theoretical Performance

30.66 GPixel/s

Pixel Rate

2.100 GPixel/s

61.31 GTexel/s

Texture Rate

4.200 GTexel/s

-

1.962 TFLOPS

FP32 (float)

36.80 GFLOPS

122.6 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

14W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Pitcairn

GPU Name

GT218

Pitcairn PRO (215-0828062)

GPU Variant

N11M-LP1

GCN 1.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

0.26 billion

212 mm²

Die Size

57 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.2

5.1

Shader Model

4.1

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