NVIDIA GeForce GT 445M vs AMD Radeon HD 6990M

VS

NVIDIA GeForce GT 445M AMD Radeon HD 6990M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 445M and 2GB VRAM Radeon HD 6990M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 445M 's Advantages

Lower TDP (35W vs 100W)

AMD Radeon HD 6990M 's Advantages

Released 10 months late

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (115.2GB/s vs 40.00GB/s)

976 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 445M

0.328 TFLOPS

Radeon HD 6990M +388%

1.602 TFLOPS

GeForce GT 445M

VS

Radeon HD 6990M

Graphics Card

Sep 2010

Release Date

Jul 2011

GeForce 400M

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

625 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

40.00GB/s

Bandwidth

115.2GB/s

Render Config

3

SM Count

-

Compute Units

14

144

Shading Units

1120

24

TMUs

56

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

3.420 GPixel/s

Pixel Rate

22.88 GPixel/s

13.68 GTexel/s

Texture Rate

40.04 GTexel/s

-

FP16 (half)

-

328.3 GFLOPS

FP32 (float)

1.602 TFLOPS

27.36 GFLOPS

FP64 (double)

-

Graphics Processor

GF106

GPU Name

Blackcomb

N11E-GE-A1

GPU Variant

Blackcomb XTX (216-0811030)

Fermi

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.17 billion

Transistors

1.7 billion

238 mm²

Die Size

212 mm²

Board Design

35W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

5.0

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