AMD Radeon HD 6770M Mac Edition vs NVIDIA GeForce 615

VS

AMD Radeon HD 6770M Mac Edition

NVIDIA GeForce 615

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6770M Mac Edition and 1024MB VRAM GeForce 615 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)

432 additional rendering cores

Lower TDP (35W vs 49W)

NVIDIA GeForce 615 's Advantages

Released 1 years and 4 months late

More VRAM (1024GB vs 512GB)

Score

Benchmark

FP32 (float)

Radeon HD 6770M Mac Edition +448%

0.696 TFLOPS

GeForce 615

0.127 TFLOPS

Radeon HD 6770M Mac Edition

VS

GeForce 615

Graphics Card

Jan 2011

Release Date

May 2012

Vancouver

Generation

GeForce 600A

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

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

-

SM Count

1

480

Shading Units

48

24

TMUs

8

ROPs

4

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

5.800 GPixel/s

Pixel Rate

1.320 GPixel/s

17.40 GTexel/s

Texture Rate

5.280 GTexel/s

-

696.0 GFLOPS

FP32 (float)

126.7 GFLOPS

-

FP64 (double)

10.56 GFLOPS

Board Design

35W

TDP

49W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Whistler

GPU Name

GF108

Whistler XT (216-0810001)

GPU Variant

-

TeraScale 2

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

0.585 billion

104 mm²

Die Size

116 mm²

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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