AMD Radeon HD 6770M Mac Edition vs NVIDIA GeForce 825M

VS

AMD Radeon HD 6770M Mac Edition NVIDIA GeForce 825M

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6770M Mac Edition and 1024MB VRAM GeForce 825M 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)

96 additional rendering cores

NVIDIA GeForce 825M 's Advantages

Released 3 years late

Boost Clock941MHz

More VRAM (1024GB vs 512GB)

Lower TDP (33W vs 35W)

Score

Benchmark

FP32 (float)

Radeon HD 6770M Mac Edition

0.696 TFLOPS

GeForce 825M +3%

0.723 TFLOPS

Radeon HD 6770M Mac Edition

VS

GeForce 825M

Graphics Card

Jan 2011

Release Date

Jan 2014

Vancouver

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

941 MHz

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

-

6

Compute Units

-

480

Shading Units

384

24

TMUs

32

8

ROPs

8

-

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

7.528 GPixel/s

17.40 GTexel/s

Texture Rate

30.11 GTexel/s

-

FP16 (half)

-

696.0 GFLOPS

FP32 (float)

722.7 GFLOPS

-

FP64 (double)

30.11 GFLOPS

Graphics Processor

Whistler

GPU Name

GK208

Whistler XT (216-0810001)

GPU Variant

-

TeraScale 2

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

1.02 billion

104 mm²

Die Size

87 mm²

Board Design

35W

TDP

33W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

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

3.5

5.0

Shader Model

5.1

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