AMD Radeon R9 M390 Mac Edition vs NVIDIA GeForce 615

VS

AMD Radeon R9 M390 Mac Edition

NVIDIA GeForce 615

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 1024MB VRAM GeForce 615 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 3 years late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (174.7GB/s vs 28.80GB/s)

976 additional rendering cores

NVIDIA GeForce 615 's Advantages

Lower TDP (49W vs 80W)

Score

Benchmark

FP32 (float)

Radeon R9 M390 Mac Edition +1444%

1.962 TFLOPS

GeForce 615

0.127 TFLOPS

Radeon R9 M390 Mac Edition

VS

GeForce 615

Graphics Card

May 2015

Release Date

May 2012

Crystal System

Generation

GeForce 600A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1365 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

174.7GB/s

Bandwidth

28.80GB/s

Render Config

16

Compute Units

-

SM Count

1

1024

Shading Units

48

64

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

30.66 GPixel/s

Pixel Rate

1.320 GPixel/s

61.31 GTexel/s

Texture Rate

5.280 GTexel/s

-

1.962 TFLOPS

FP32 (float)

126.7 GFLOPS

122.6 GFLOPS

FP64 (double)

10.56 GFLOPS

Board Design

80W

TDP

49W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Pitcairn

GPU Name

GF108

Pitcairn PRO (215-0828062)

GPU Variant

-

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

0.585 billion

212 mm²

Die Size

116 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

5.1

Shader Model

5.1

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