AMD Radeon HD 6990M Rebrand vs NVIDIA GeForce 920MX

VS

AMD Radeon HD 6990M Rebrand

NVIDIA GeForce 920MX

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 2GB VRAM GeForce 920MX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M Rebrand 's Advantages

Larger VRAM bandwidth (70.40GB/s vs 14.40GB/s)

544 additional rendering cores

NVIDIA GeForce 920MX 's Advantages

Released 4 years and 8 months late

Boost Clock993MHz

More VRAM (2GB vs 1024GB)

Lower TDP (16W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand +151%

1.28 TFLOPS

GeForce 920MX

0.508 TFLOPS

Radeon HD 6990M Rebrand

VS

GeForce 920MX

Graphics Card

Jul 2011

Release Date

Mar 2016

Vancouver

Generation

GeForce 900M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

965 MHz

-

Boost Clock

993 MHz

1100 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

70.40GB/s

Bandwidth

14.40GB/s

Render Config

14

Compute Units

-

800

Shading Units

256

40

TMUs

24

16

ROPs

8

-

8 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

7.944 GPixel/s

32.00 GTexel/s

Texture Rate

23.83 GTexel/s

-

1280 GFLOPS

FP32 (float)

508.4 GFLOPS

-

FP64 (double)

15.89 GFLOPS

Board Design

100W

TDP

16W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Broadway

GPU Name

GM108

Broadway XTX

GPU Variant

N16V-GMR1-S

TeraScale 2

Architecture

Maxwell

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

Unknown

166 mm²

Die Size

Unknown

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.0

Shader Model

5.1

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