AMD Radeon HD 6870M vs NVIDIA GeForce GTX 870M

VS

AMD Radeon HD 6870M

NVIDIA GeForce GTX 870M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6870M and 3GB VRAM GeForce GTX 870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870M 's Advantages

Lower TDP (50W vs 100W)

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 64.00GB/s)

544 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6870M

1.08 TFLOPS

GeForce GTX 870M +140%

2.599 TFLOPS

Radeon HD 6870M

VS

GeForce GTX 870M

Graphics Card

Jan 2011

Release Date

Mar 2014

Vancouver

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

941 MHz

-

Boost Clock

967 MHz

1000 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

192bit

64.00GB/s

Bandwidth

120.0GB/s

Render Config

10

Compute Units

-

800

Shading Units

1344

40

TMUs

112

16

ROPs

24

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

384 KB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

27.08 GPixel/s

27.00 GTexel/s

Texture Rate

108.3 GTexel/s

-

1080 GFLOPS

FP32 (float)

2.599 TFLOPS

-

FP64 (double)

108.3 GFLOPS

Board Design

50W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Granville

GPU Name

GK104

Granville XT (216-0769024)

GPU Variant

N15E-GT-A2

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

3.54 billion

166 mm²

Die Size

294 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

5.0

Shader Model

5.1

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