NVIDIA GeForce GTX 775M Mac Edition vs AMD Radeon HD 6990M Rebrand

VS

NVIDIA GeForce GTX 775M Mac Edition

AMD Radeon HD 6990M Rebrand

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 775M Mac Edition and 1024MB VRAM Radeon HD 6990M Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 775M Mac Edition 's Advantages

Released 2 years and 4 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 70.40GB/s)

544 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 775M Mac Edition +67%

2.142 TFLOPS

Radeon HD 6990M Rebrand

1.28 TFLOPS

GeForce GTX 775M Mac Edition

VS

Radeon HD 6990M Rebrand

Graphics Card

Nov 2013

Release Date

Jul 2011

GeForce 700M

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1250 MHz

Memory Clock

1100 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

70.40GB/s

Render Config

-

Compute Units

14

-

1344

Shading Units

800

112

TMUs

40

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

22.32 GPixel/s

Pixel Rate

12.80 GPixel/s

89.26 GTexel/s

Texture Rate

32.00 GTexel/s

-

2.142 TFLOPS

FP32 (float)

1280 GFLOPS

89.26 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

100W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK104

GPU Name

Broadway

N13E-GTX-A2

GPU Variant

Broadway XTX

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

1.04 billion

294 mm²

Die Size

166 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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