NVIDIA GeForce GT 645 OEM vs AMD FirePro W8100

VS

NVIDIA GeForce GT 645 OEM

AMD FirePro W8100

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 8GB VRAM FirePro W8100 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 220W)

AMD FirePro W8100 's Advantages

Released 2 years and 2 months late

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (320.0GB/s vs 91.87GB/s)

2272 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM

0.894 TFLOPS

FirePro W8100 +371%

4.219 TFLOPS

GeForce GT 645 OEM

VS

FirePro W8100

Graphics Card

Apr 2012

Release Date

Jun 2014

GeForce 600

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

957 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

512bit

91.87GB/s

Bandwidth

320.0GB/s

Render Config

-

Compute Units

40

6

SM Count

-

288

Shading Units

2560

48

TMUs

160

24

ROPs

64

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

1024 KB

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

52.74 GPixel/s

37.25 GTexel/s

Texture Rate

131.8 GTexel/s

-

894.0 GFLOPS

FP32 (float)

4.219 TFLOPS

74.50 GFLOPS

FP64 (double)

2.109 TFLOPS

Board Design

102W

TDP

220W

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

Hawaii

-

GPU Variant

Hawaii GL40

Fermi 2.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.95 billion

Transistors

6.2 billion

332 mm²

Die Size

438 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.1

OpenCL

2.0

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

6.3

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