NVIDIA GeForce GTX 645 OEM vs AMD FirePro D500

VS

NVIDIA GeForce GTX 645 OEM

AMD FirePro D500

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 3GB VRAM FirePro D500 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 645 OEM 's Advantages

Lower TDP (65W vs 274W)

AMD FirePro D500 's Advantages

Released 9 months late

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (243.8GB/s vs 64.00GB/s)

960 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM

0.949 TFLOPS

FirePro D500 +134%

2.227 TFLOPS

GeForce GTX 645 OEM

VS

FirePro D500

Graphics Card

Apr 2013

Release Date

Jan 2014

GeForce 600

Generation

FirePro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1270 MHz

Memory

1024MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

64.00GB/s

Bandwidth

243.8GB/s

Render Config

-

Compute Units

24

-

576

Shading Units

1536

48

TMUs

96

16

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

768 KB

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

23.20 GPixel/s

39.55 GTexel/s

Texture Rate

69.60 GTexel/s

-

949.2 GFLOPS

FP32 (float)

2.227 TFLOPS

39.55 GFLOPS

FP64 (double)

556.8 GFLOPS

Board Design

65W

TDP

274W

250 W

Suggested PSU

600 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

6x mini-DisplayPort 1.2 1x SDI

None

Power Connectors

-

Graphics Processor

GK106

GPU Name

Tahiti

GK106-200-A1

GPU Variant

Tahiti LE GL

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.54 billion

Transistors

4.313 billion

221 mm²

Die Size

352 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

5.1

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