AMD Radeon R9 M290X vs NVIDIA GeForce GT 420M

VS

AMD Radeon R9 M290X

NVIDIA GeForce GT 420M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M290X and 512MB VRAM GeForce GT 420M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M290X 's Advantages

Released 3 years and 4 months late

Boost Clock900MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (153.6GB/s vs 25.60GB/s)

1184 additional rendering cores

NVIDIA GeForce GT 420M 's Advantages

Lower TDP (23W vs 100W)

Score

Benchmark

FP32 (float)

Radeon R9 M290X +1100%

2.304 TFLOPS

GeForce GT 420M

0.192 TFLOPS

Radeon R9 M290X

VS

GeForce GT 420M

Graphics Card

Jan 2014

Release Date

Sep 2010

Crystal System

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

850 MHz

Base Clock

-

900 MHz

Boost Clock

-

1200 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

25.60GB/s

Render Config

20

Compute Units

-

SM Count

2

1280

Shading Units

96

80

TMUs

16

32

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

2.000 GPixel/s

72.00 GTexel/s

Texture Rate

8.000 GTexel/s

-

2.304 TFLOPS

FP32 (float)

192.0 GFLOPS

144.0 GFLOPS

FP64 (double)

16.00 GFLOPS

Board Design

100W

TDP

23W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Neptune

GPU Name

GF108

Neptune XT (216-0847000)

GPU Variant

N11P-GE-A1

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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