NVIDIA GeForce GTX 850A vs AMD Radeon R7 A260

VS

NVIDIA GeForce GTX 850A

AMD Radeon R7 A260

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850A and 1024MB VRAM Radeon R7 A260 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 850A 's Advantages

More VRAM (2GB vs 1024GB)

256 additional rendering cores

AMD Radeon R7 A260 's Advantages

Boost Clock has increased by 5% (980MHz vs 936MHz)

Larger VRAM bandwidth (57.60GB/s vs 28.80GB/s)

Score

Benchmark

FP32 (float)

GeForce GTX 850A +59%

1.198 TFLOPS

Radeon R7 A260

0.752 TFLOPS

GeForce GTX 850A

VS

Radeon R7 A260

Graphics Card

Mar 2014

Release Date

Jan 2014

GeForce 800A

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

902 MHz

Base Clock

900 MHz

936 MHz

Boost Clock

980 MHz

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

57.60GB/s

Render Config

-

Compute Units

6

-

640

Shading Units

384

40

TMUs

24

16

ROPs

8

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

14.98 GPixel/s

Pixel Rate

7.840 GPixel/s

37.44 GTexel/s

Texture Rate

23.52 GTexel/s

-

1198 GFLOPS

FP32 (float)

752.6 GFLOPS

37.44 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GM107

GPU Name

Topaz

N15P-GT-A1

GPU Variant

Topaz XT (216-0858020)

Maxwell

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

1.55 billion

148 mm²

Die Size

125 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2.170

5.0

CUDA

-

5.1

Shader Model

6.5

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