AMD Radeon HD 6770M Mac Edition vs NVIDIA GeForce GTX 860M OEM

VS

AMD Radeon HD 6770M Mac Edition

NVIDIA GeForce GTX 860M OEM

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6770M Mac Edition and 2GB VRAM GeForce GTX 860M OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6770M Mac Edition 's Advantages

Lower TDP (35W vs 75W)

NVIDIA GeForce GTX 860M OEM 's Advantages

Released 4 years and 1 months late

Boost Clock1085MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (80.19GB/s vs 57.60GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6770M Mac Edition

0.696 TFLOPS

GeForce GTX 860M OEM +99%

1.389 TFLOPS

Radeon HD 6770M Mac Edition

VS

GeForce GTX 860M OEM

Graphics Card

Jan 2011

Release Date

Feb 2015

Vancouver

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1020 MHz

-

Boost Clock

1085 MHz

900 MHz

Memory Clock

1253 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

57.60GB/s

Bandwidth

80.19GB/s

Render Config

6

Compute Units

-

480

Shading Units

640

24

TMUs

40

8

ROPs

16

-

8 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

5.800 GPixel/s

Pixel Rate

17.36 GPixel/s

17.40 GTexel/s

Texture Rate

43.40 GTexel/s

-

696.0 GFLOPS

FP32 (float)

1389 GFLOPS

-

FP64 (double)

43.40 GFLOPS

Board Design

35W

TDP

75W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Whistler

GPU Name

GM107

Whistler XT (216-0810001)

GPU Variant

N15P-GX-A1

TeraScale 2

Architecture

Maxwell

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

1.87 billion

104 mm²

Die Size

148 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.0

Shader Model

5.1

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