NVIDIA GeForce GTX 780M vs AMD Radeon HD 6770M Mac Edition

VS

NVIDIA GeForce GTX 780M

AMD Radeon HD 6770M Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 780M and 512MB VRAM Radeon HD 6770M Mac Edition 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 512GB)

Larger VRAM bandwidth (160.0GB/s vs 57.60GB/s)

1056 additional rendering cores

AMD Radeon HD 6770M Mac Edition 's Advantages

Lower TDP (35W vs 122W)

Score

Benchmark

FP32 (float)

GeForce GTX 780M +251%

2.448 TFLOPS

Radeon HD 6770M Mac Edition

0.696 TFLOPS

GeForce GTX 780M

VS

Radeon HD 6770M Mac Edition

Graphics Card

May 2013

Release Date

Jan 2011

GeForce 700M

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

771 MHz

Base Clock

-

797 MHz

Boost Clock

-

1250 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

57.60GB/s

Render Config

-

Compute Units

6

-

1536

Shading Units

480

128

TMUs

24

32

ROPs

8

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

25.50 GPixel/s

Pixel Rate

5.800 GPixel/s

102.0 GTexel/s

Texture Rate

17.40 GTexel/s

-

2.448 TFLOPS

FP32 (float)

696.0 GFLOPS

102.0 GFLOPS

FP64 (double)

-

Board Design

122W

TDP

35W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GK104

GPU Name

Whistler

N14E-GTX-A2

GPU Variant

Whistler XT (216-0810001)

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

0.716 billion

294 mm²

Die Size

104 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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