NVIDIA GeForce GTX 850A vs AMD Radeon R9 M290X

VS

NVIDIA GeForce GTX 850A

AMD Radeon R9 M290X

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850A and 4GB VRAM Radeon R9 M290X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 850A 's Advantages

Boost Clock has increased by 4% (936MHz vs 900MHz)

Lower TDP (45W vs 100W)

AMD Radeon R9 M290X 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (153.6GB/s vs 28.80GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 850A

1.198 TFLOPS

Radeon R9 M290X +92%

2.304 TFLOPS

GeForce GTX 850A

VS

Radeon R9 M290X

Graphics Card

Mar 2014

Release Date

Jan 2014

GeForce 800A

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

902 MHz

Base Clock

850 MHz

936 MHz

Boost Clock

900 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

20

-

640

Shading Units

1280

40

TMUs

80

16

ROPs

32

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

14.98 GPixel/s

Pixel Rate

28.80 GPixel/s

37.44 GTexel/s

Texture Rate

72.00 GTexel/s

-

1198 GFLOPS

FP32 (float)

2.304 TFLOPS

37.44 GFLOPS

FP64 (double)

144.0 GFLOPS

Board Design

45W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GM107

GPU Name

Neptune

N15P-GT-A1

GPU Variant

Neptune XT (216-0847000)

Maxwell

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

2.8 billion

148 mm²

Die Size

212 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

5.0

CUDA

-

5.1

Shader Model

5.1

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