AMD Radeon HD 6770M Mac Edition vs NVIDIA GeForce 620M

VS

AMD Radeon HD 6770M Mac Edition NVIDIA GeForce 620M

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6770M Mac Edition and 1024MB VRAM GeForce 620M 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 14.40GB/s)

384 additional rendering cores

NVIDIA GeForce 620M 's Advantages

Released 1 years and 2 months late

More VRAM (1024GB vs 512GB)

Lower TDP (15W vs 35W)

Score

Benchmark

FP32 (float)

Radeon HD 6770M Mac Edition +190%

0.696 TFLOPS

GeForce 620M

0.24 TFLOPS

Radeon HD 6770M Mac Edition

VS

GeForce 620M

Graphics Card

Jan 2011

Release Date

Mar 2012

Vancouver

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

57.60GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

2

6

Compute Units

-

480

Shading Units

96

24

TMUs

16

8

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

128 KB

Theoretical Performance

5.800 GPixel/s

Pixel Rate

2.500 GPixel/s

17.40 GTexel/s

Texture Rate

10.00 GTexel/s

-

FP16 (half)

-

696.0 GFLOPS

FP32 (float)

240.0 GFLOPS

-

FP64 (double)

20.00 GFLOPS

Graphics Processor

Whistler

GPU Name

GF117

Whistler XT (216-0810001)

GPU Variant

N13P-GLP

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

0.585 billion

104 mm²

Die Size

116 mm²

Board Design

35W

TDP

15W

-

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

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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