NVIDIA GeForce 705M vs AMD Radeon HD 6870M

VS

NVIDIA GeForce 705M

AMD Radeon HD 6870M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 705M and 1024MB VRAM Radeon HD 6870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 705M 's Advantages

Lower TDP (15W vs 50W)

AMD Radeon HD 6870M 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)

752 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 705M

0.142 TFLOPS

Radeon HD 6870M +660%

1.08 TFLOPS

GeForce 705M

VS

Radeon HD 6870M

Graphics Card

Unknown

Release Date

Jan 2011

GeForce 700M

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

900 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

10

1

SM Count

-

48

Shading Units

800

8

TMUs

40

4

ROPs

16

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

1.476 GPixel/s

Pixel Rate

10.80 GPixel/s

5.904 GTexel/s

Texture Rate

27.00 GTexel/s

-

141.7 GFLOPS

FP32 (float)

1080 GFLOPS

11.81 GFLOPS

FP64 (double)

-

Board Design

15W

TDP

50W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF119

GPU Name

Granville

GF119 B1

GPU Variant

Granville XT (216-0769024)

Fermi 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.292 billion

Transistors

1.04 billion

79 mm²

Die Size

166 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

5.0

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