NVIDIA GeForce GTX 850A vs AMD Radeon HD 8670A

VS

NVIDIA GeForce GTX 850A

AMD Radeon HD 8670A

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850A and 1024MB VRAM Radeon HD 8670A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 850A 's Advantages

Released 1 years and 1 months late

Boost Clock936MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (28.80GB/s vs 16.00GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 850A +159%

1.198 TFLOPS

Radeon HD 8670A

0.461 TFLOPS

GeForce GTX 850A

VS

Radeon HD 8670A

Graphics Card

Mar 2014

Release Date

Feb 2013

GeForce 800A

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

902 MHz

Base Clock

-

936 MHz

Boost Clock

-

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

16.00GB/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

128 KB

-

Theoretical Performance

14.98 GPixel/s

Pixel Rate

4.800 GPixel/s

37.44 GTexel/s

Texture Rate

14.40 GTexel/s

-

1198 GFLOPS

FP32 (float)

460.8 GFLOPS

37.44 GFLOPS

FP64 (double)

28.80 GFLOPS

Board Design

45W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM107

GPU Name

Mars

N15P-GT-A1

GPU Variant

Mars XT

Maxwell

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

0.95 billion

148 mm²

Die Size

77 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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