NVIDIA GeForce GTX 645 OEM vs ATI FirePro V3900

VS

NVIDIA GeForce GTX 645 OEM

ATI FirePro V3900

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 1024MB VRAM FirePro V3900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 645 OEM 's Advantages

Released 1 years and 2 months late

Larger VRAM bandwidth (64.00GB/s vs 28.80GB/s)

96 additional rendering cores

ATI FirePro V3900 's Advantages

Lower TDP (50W vs 65W)

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM +52%

0.949 TFLOPS

FirePro V3900

0.624 TFLOPS

GeForce GTX 645 OEM

VS

FirePro V3900

Graphics Card

Apr 2013

Release Date

Feb 2012

GeForce 600

Generation

FirePro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

28.80GB/s

Render Config

-

Compute Units

6

-

576

Shading Units

480

48

TMUs

24

16

ROPs

8

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

5.200 GPixel/s

39.55 GTexel/s

Texture Rate

15.60 GTexel/s

-

949.2 GFLOPS

FP32 (float)

624.0 GFLOPS

39.55 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

50W

250 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x DisplayPort 1.1

None

Power Connectors

None

Graphics Processor

GK106

GPU Name

Turks

GK106-200-A1

GPU Variant

Turks GL

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.54 billion

Transistors

0.716 billion

221 mm²

Die Size

118 mm²

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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