AMD Radeon HD 6990M Rebrand vs NVIDIA GeForce 940M

VS

AMD Radeon HD 6990M Rebrand NVIDIA GeForce 940M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 2GB VRAM GeForce 940M 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)

288 additional rendering cores

NVIDIA GeForce 940M 's Advantages

Released 3 years and 8 months late

Boost Clock1098MHz

More VRAM (2GB vs 1GB)

Lower TDP (75W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand +13%

1.28 TFLOPS

GeForce 940M

1.124 TFLOPS

Radeon HD 6990M Rebrand

VS

GeForce 940M

Graphics Card

Jul 2011

Release Date

Mar 2015

Vancouver

Generation

GeForce 900M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1020 MHz

-

Boost Clock

1098 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

-

SM Count

-

14

Compute Units

-

800

Shading Units

512

40

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

2 MB

Theoretical Performance

12.80 GPixel/s

Pixel Rate

17.57 GPixel/s

32.00 GTexel/s

Texture Rate

35.14 GTexel/s

-

FP16 (half)

-

1280 GFLOPS

FP32 (float)

1124 GFLOPS

-

FP64 (double)

35.14 GFLOPS

Graphics Processor

Broadway

GPU Name

GM107

Broadway XTX

GPU Variant

N16S-GT1-KB-B

TeraScale 2

Architecture

Maxwell

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

1.87 billion

166 mm²

Die Size

148 mm²

Board Design

100W

TDP

75W

-

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

3.0

N/A

Vulkan

1.3

-

CUDA

5.0

Shader Model

5.1

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