NVIDIA GeForce GTX 850A vs AMD Radeon HD 6830M

VS

NVIDIA GeForce GTX 850A

AMD Radeon HD 6830M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850A and 1024MB VRAM Radeon HD 6830M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 850A 's Advantages

Released 3 years and 2 months late

Boost Clock936MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (28.80GB/s vs 25.60GB/s)

AMD Radeon HD 6830M 's Advantages

160 additional rendering cores

Lower TDP (39W vs 45W)

Score

Benchmark

FP32 (float)

GeForce GTX 850A +30%

1.198 TFLOPS

Radeon HD 6830M

0.92 TFLOPS

GeForce GTX 850A

VS

Radeon HD 6830M

Graphics Card

Mar 2014

Release Date

Jan 2011

GeForce 800A

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

902 MHz

Base Clock

-

936 MHz

Boost Clock

-

900 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

25.60GB/s

Render Config

-

Compute Units

10

-

640

Shading Units

800

40

TMUs

40

16

ROPs

16

-

64 KB (per SMM)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

14.98 GPixel/s

Pixel Rate

9.200 GPixel/s

37.44 GTexel/s

Texture Rate

23.00 GTexel/s

-

1198 GFLOPS

FP32 (float)

920.0 GFLOPS

37.44 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

39W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM107

GPU Name

Granville

N15P-GT-A1

GPU Variant

Granville LP

Maxwell

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.87 billion

Transistors

1.04 billion

148 mm²

Die Size

166 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

5.0

CUDA

-

5.1

Shader Model

5.0

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