NVIDIA GeForce GTX 780M vs AMD Radeon HD 6870M

VS

NVIDIA GeForce GTX 780M

AMD Radeon HD 6870M

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 780M 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 GTX 780M 's Advantages

Released 2 years and 4 months late

Boost Clock797MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 64.00GB/s)

736 additional rendering cores

AMD Radeon HD 6870M 's Advantages

Lower TDP (50W vs 122W)

Score

Benchmark

FP32 (float)

GeForce GTX 780M +126%

2.448 TFLOPS

Radeon HD 6870M

1.08 TFLOPS

GeForce GTX 780M

VS

Radeon HD 6870M

Graphics Card

May 2013

Release Date

Jan 2011

GeForce 700M

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

771 MHz

Base Clock

-

797 MHz

Boost Clock

-

1250 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

10

-

1536

Shading Units

800

128

TMUs

40

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

25.50 GPixel/s

Pixel Rate

10.80 GPixel/s

102.0 GTexel/s

Texture Rate

27.00 GTexel/s

-

2.448 TFLOPS

FP32 (float)

1080 GFLOPS

102.0 GFLOPS

FP64 (double)

-

Board Design

122W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GK104

GPU Name

Granville

N14E-GTX-A2

GPU Variant

Granville XT (216-0769024)

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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