NVIDIA GeForce GT 645M vs AMD FirePro M8900

VS

NVIDIA GeForce GT 645M AMD FirePro M8900

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 645M and 2GB VRAM FirePro M8900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 645M 's Advantages

Released 1 years and 6 months late

Lower TDP (32W vs 75W)

AMD FirePro M8900 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 28.80GB/s)

576 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 645M

0.544 TFLOPS

FirePro M8900 +140%

1.306 TFLOPS

GeForce GT 645M

VS

FirePro M8900

Graphics Card

Oct 2012

Release Date

Apr 2011

GeForce 600M

Generation

FirePro Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

115.2GB/s

Render Config

-

SM Count

-

Compute Units

12

384

Shading Units

960

32

TMUs

48

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

5.672 GPixel/s

Pixel Rate

21.76 GPixel/s

22.69 GTexel/s

Texture Rate

32.64 GTexel/s

-

FP16 (half)

-

544.5 GFLOPS

FP32 (float)

1306 GFLOPS

22.69 GFLOPS

FP64 (double)

-

Graphics Processor

GK107

GPU Name

Blackcomb

N13P-GS

GPU Variant

Blackcomb XT GL

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.27 billion

Transistors

1.7 billion

118 mm²

Die Size

212 mm²

Board Design

32W

TDP

75W

-

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

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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