NVIDIA GeForce GTX 870M vs AMD Radeon HD 6830M

VS

NVIDIA GeForce GTX 870M

AMD Radeon HD 6830M

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 870M 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 870M 's Advantages

Released 3 years and 2 months late

Boost Clock967MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (120.0GB/s vs 25.60GB/s)

544 additional rendering cores

AMD Radeon HD 6830M 's Advantages

Lower TDP (39W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 870M +182%

2.599 TFLOPS

Radeon HD 6830M

0.92 TFLOPS

GeForce GTX 870M

VS

Radeon HD 6830M

Graphics Card

Mar 2014

Release Date

Jan 2011

GeForce 800M

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

941 MHz

Base Clock

-

967 MHz

Boost Clock

-

1250 MHz

Memory Clock

800 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

192bit

Memory Bus

128bit

120.0GB/s

Bandwidth

25.60GB/s

Render Config

-

Compute Units

10

-

1344

Shading Units

800

112

TMUs

40

24

ROPs

16

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

27.08 GPixel/s

Pixel Rate

9.200 GPixel/s

108.3 GTexel/s

Texture Rate

23.00 GTexel/s

-

2.599 TFLOPS

FP32 (float)

920.0 GFLOPS

108.3 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

39W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GK104

GPU Name

Granville

N15E-GT-A2

GPU Variant

Granville LP

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

1.04 billion

294 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

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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