NVIDIA GeForce GTX 645 OEM vs AMD FirePro D300

VS

NVIDIA GeForce GTX 645 OEM

AMD FirePro D300

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 2GB VRAM FirePro D300 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 150W)

AMD FirePro D300 's Advantages

Released 9 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (162.6GB/s vs 64.00GB/s)

704 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM

0.949 TFLOPS

FirePro D300 +129%

2.176 TFLOPS

GeForce GTX 645 OEM

VS

FirePro D300

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

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

162.6GB/s

Render Config

-

Compute Units

20

-

576

Shading Units

1280

48

TMUs

80

16

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

27.20 GPixel/s

39.55 GTexel/s

Texture Rate

68.00 GTexel/s

-

949.2 GFLOPS

FP32 (float)

2.176 TFLOPS

39.55 GFLOPS

FP64 (double)

136.0 GFLOPS

Board Design

65W

TDP

150W

250 W

Suggested PSU

450 W

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

Outputs

4x DisplayPort 1.2

None

Power Connectors

-

Graphics Processor

GK106

GPU Name

Pitcairn

GK106-200-A1

GPU Variant

Pitcairn XT GL (215-0828073)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.54 billion

Transistors

2.8 billion

221 mm²

Die Size

212 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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