AMD Radeon HD 6770M Mac Edition vs NVIDIA GeForce GT 650M

VS

AMD Radeon HD 6770M Mac Edition

NVIDIA GeForce GT 650M

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6770M Mac Edition and 1024MB VRAM GeForce GT 650M 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

Larger VRAM bandwidth (57.60GB/s vs 28.80GB/s)

96 additional rendering cores

Lower TDP (35W vs 45W)

NVIDIA GeForce GT 650M 's Advantages

Released 1 years and 2 months late

Boost Clock950MHz

More VRAM (1024GB vs 512GB)

Score

Benchmark

FP32 (float)

Radeon HD 6770M Mac Edition

0.696 TFLOPS

GeForce GT 650M +4%

0.73 TFLOPS

Radeon HD 6770M Mac Edition

VS

GeForce GT 650M

Graphics Card

Jan 2011

Release Date

Mar 2012

Vancouver

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

835 MHz

-

Boost Clock

950 MHz

900 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

57.60GB/s

Bandwidth

28.80GB/s

Render Config

6

Compute Units

-

480

Shading Units

384

24

TMUs

32

8

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

5.800 GPixel/s

Pixel Rate

7.600 GPixel/s

17.40 GTexel/s

Texture Rate

30.40 GTexel/s

-

696.0 GFLOPS

FP32 (float)

729.6 GFLOPS

-

FP64 (double)

30.40 GFLOPS

Board Design

35W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Whistler

GPU Name

GK107

Whistler XT (216-0810001)

GPU Variant

N13P-GT-A2

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

1.27 billion

104 mm²

Die Size

118 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

5.0

Shader Model

5.1

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