AMD Radeon HD 6990M Rebrand vs NVIDIA GeForce 945A

VS

AMD Radeon HD 6990M Rebrand NVIDIA GeForce 945A

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 1024MB VRAM GeForce 945A 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 40.10GB/s)

416 additional rendering cores

NVIDIA GeForce 945A 's Advantages

Released 3 years and 8 months late

Boost Clock1189MHz

Lower TDP (33W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand +40%

1.28 TFLOPS

GeForce 945A

0.913 TFLOPS

Radeon HD 6990M Rebrand

VS

GeForce 945A

Graphics Card

Jul 2011

Release Date

Mar 2015

Vancouver

Generation

GeForce 900A

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1006 MHz

-

Boost Clock

1189 MHz

1100 MHz

Memory Clock

1253 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

70.40GB/s

Bandwidth

40.10GB/s

Render Config

-

SM Count

-

14

Compute Units

-

800

Shading Units

384

40

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

Theoretical Performance

12.80 GPixel/s

Pixel Rate

9.512 GPixel/s

32.00 GTexel/s

Texture Rate

28.54 GTexel/s

-

FP16 (half)

-

1280 GFLOPS

FP32 (float)

913.2 GFLOPS

-

FP64 (double)

28.54 GFLOPS

Graphics Processor

Broadway

GPU Name

GM108

Broadway XTX

GPU Variant

-

TeraScale 2

Architecture

Maxwell

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

Unknown

166 mm²

Die Size

Unknown

Board Design

100W

TDP

33W

-

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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