NVIDIA GeForce GT 820M vs AMD Radeon R9 M290X Mac Edition

VS

NVIDIA GeForce GT 820M AMD Radeon R9 M290X Mac Edition

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

Main Differences

NVIDIA GeForce GT 820M 's Advantages

Lower TDP (15W vs 80W)

AMD Radeon R9 M290X Mac Edition 's Advantages

Released 1 years late

Boost Clock975MHz

More VRAM (2GB vs 1GB)

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

928 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 820M

0.298 TFLOPS

Radeon R9 M290X Mac Edition +570%

1.997 TFLOPS

GeForce GT 820M

VS

Radeon R9 M290X Mac Edition

Graphics Card

Nov 2013

Release Date

Nov 2014

GeForce 800M

Generation

Crystal System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

975 MHz

900 MHz

Memory Clock

1365 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

174.7GB/s

Render Config

2

SM Count

-

Compute Units

16

96

Shading Units

1024

16

TMUs

64

8

ROPs

32

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

Theoretical Performance

3.100 GPixel/s

Pixel Rate

31.20 GPixel/s

12.40 GTexel/s

Texture Rate

62.40 GTexel/s

-

FP16 (half)

-

297.6 GFLOPS

FP32 (float)

1.997 TFLOPS

24.80 GFLOPS

FP64 (double)

124.8 GFLOPS

Graphics Processor

GF117

GPU Name

Pitcairn

N15V-GM

GPU Variant

Pitcairn PRO (215-0828062)

Fermi 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.585 billion

Transistors

2.8 billion

116 mm²

Die Size

212 mm²

Board Design

15W

TDP

80W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

5.1

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