AMD Radeon HD 6770M vs NVIDIA GeForce GTX 680MX Mac Edition

VS

AMD Radeon HD 6770M NVIDIA GeForce GTX 680MX Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6770M and 2GB VRAM GeForce GTX 680MX Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6770M 's Advantages

Lower TDP (35W vs 122W)

NVIDIA GeForce GTX 680MX Mac Edition 's Advantages

Released 1 years and 9 months late

More VRAM (2GB vs 1GB)

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

1056 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6770M

0.696 TFLOPS

GeForce GTX 680MX Mac Edition +217%

2.209 TFLOPS

Radeon HD 6770M

VS

GeForce GTX 680MX Mac Edition

Graphics Card

Jan 2011

Release Date

Oct 2012

Vancouver

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

57.60GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

6

Compute Units

-

480

Shading Units

1536

24

TMUs

128

8

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

Theoretical Performance

5.800 GPixel/s

Pixel Rate

23.01 GPixel/s

17.40 GTexel/s

Texture Rate

92.03 GTexel/s

-

FP16 (half)

-

696.0 GFLOPS

FP32 (float)

2.209 TFLOPS

-

FP64 (double)

92.03 GFLOPS

Graphics Processor

Whistler

GPU Name

GK104

Whistler XT (216-0810001)

GPU Variant

N13E-GTX2-A2

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

3.54 billion

104 mm²

Die Size

294 mm²

Board Design

35W

TDP

122W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

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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