AMD Radeon R9 M290X Mac Edition vs NVIDIA GeForce 820A

VS

AMD Radeon R9 M290X Mac Edition

NVIDIA GeForce 820A

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M290X Mac Edition and 1024MB VRAM GeForce 820A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M290X Mac Edition 's Advantages

Released 8 months late

Boost Clock975MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (174.7GB/s vs 14.40GB/s)

928 additional rendering cores

NVIDIA GeForce 820A 's Advantages

Lower TDP (15W vs 80W)

Score

Benchmark

FP32 (float)

Radeon R9 M290X Mac Edition +570%

1.997 TFLOPS

GeForce 820A

0.298 TFLOPS

Radeon R9 M290X Mac Edition

VS

GeForce 820A

Graphics Card

Nov 2014

Release Date

Mar 2014

Crystal System

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

850 MHz

Base Clock

-

975 MHz

Boost Clock

-

1365 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

174.7GB/s

Bandwidth

14.40GB/s

Render Config

16

Compute Units

-

SM Count

2

1024

Shading Units

96

64

TMUs

16

32

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

31.20 GPixel/s

Pixel Rate

3.100 GPixel/s

62.40 GTexel/s

Texture Rate

12.40 GTexel/s

-

1.997 TFLOPS

FP32 (float)

297.6 GFLOPS

124.8 GFLOPS

FP64 (double)

24.80 GFLOPS

Board Design

80W

TDP

15W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Pitcairn

GPU Name

GF117

Pitcairn PRO (215-0828062)

GPU Variant

N15V-GM

GCN 1.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 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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