NVIDIA GeForce GT 645 OEM vs AMD FirePro W8000

VS

NVIDIA GeForce GT 645 OEM

AMD FirePro W8000

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 4GB VRAM FirePro W8000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 645 OEM 's Advantages

Lower TDP (102W vs 225W)

AMD FirePro W8000 's Advantages

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (176.0GB/s vs 91.87GB/s)

1504 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM

0.894 TFLOPS

FirePro W8000 +260%

3.226 TFLOPS

GeForce GT 645 OEM

VS

FirePro W8000

Graphics Card

Apr 2012

Release Date

Jun 2012

GeForce 600

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

957 MHz

Memory Clock

1375 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

91.87GB/s

Bandwidth

176.0GB/s

Render Config

-

Compute Units

28

6

SM Count

-

288

Shading Units

1792

48

TMUs

112

24

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

512 KB

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

28.80 GPixel/s

37.25 GTexel/s

Texture Rate

100.8 GTexel/s

-

894.0 GFLOPS

FP32 (float)

3.226 TFLOPS

74.50 GFLOPS

FP64 (double)

806.4 GFLOPS

Board Design

102W

TDP

225W

300 W

Suggested PSU

550 W

2x DVI 1x mini-HDMI 1.3a

Outputs

4x DisplayPort 1.2 1x SDI

-

Power Connectors

2x 6-pin

Graphics Processor

GF114

GPU Name

Tahiti

-

GPU Variant

Tahiti PRO GL

Fermi 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.95 billion

Transistors

4.313 billion

332 mm²

Die Size

352 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

5.1

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