AMD Radeon HD 6870M vs NVIDIA GeForce 800M

VS

AMD Radeon HD 6870M

NVIDIA GeForce 800M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6870M and 1024MB VRAM GeForce 800M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870M 's Advantages

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

752 additional rendering cores

NVIDIA GeForce 800M 's Advantages

Released 3 years and 2 months late

Lower TDP (15W vs 50W)

Score

Benchmark

FP32 (float)

Radeon HD 6870M +660%

1.08 TFLOPS

GeForce 800M

0.142 TFLOPS

Radeon HD 6870M

VS

GeForce 800M

Graphics Card

Jan 2011

Release Date

Mar 2014

Vancouver

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

14.40GB/s

Render Config

10

Compute Units

-

SM Count

1

800

Shading Units

48

40

TMUs

8

16

ROPs

8

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

1.476 GPixel/s

27.00 GTexel/s

Texture Rate

5.904 GTexel/s

-

1080 GFLOPS

FP32 (float)

141.7 GFLOPS

-

FP64 (double)

11.81 GFLOPS

Board Design

50W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Granville

GPU Name

GF117

Granville XT (216-0769024)

GPU Variant

N14M-GL

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

0.585 billion

166 mm²

Die Size

116 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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