ATI FirePro V8800 vs NVIDIA GeForce GT 645 OEM

VS

ATI FirePro V8800

NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 2GB VRAM FirePro V8800 and 1024MB VRAM GeForce GT 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V8800 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (147.2GB/s vs 91.87GB/s)

1312 additional rendering cores

NVIDIA GeForce GT 645 OEM 's Advantages

Released 2 years late

Lower TDP (102W vs 208W)

Score

Benchmark

FP32 (float)

FirePro V8800 +195%

2.64 TFLOPS

GeForce GT 645 OEM

0.894 TFLOPS

FirePro V8800

VS

GeForce GT 645 OEM

Graphics Card

Apr 2010

Release Date

Apr 2012

FirePro

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1150 MHz

Memory Clock

957 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

192bit

147.2GB/s

Bandwidth

91.87GB/s

Render Config

20

Compute Units

-

SM Count

6

1600

Shading Units

288

80

TMUs

48

32

ROPs

24

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

384 KB

-

Theoretical Performance

26.40 GPixel/s

Pixel Rate

9.312 GPixel/s

66.00 GTexel/s

Texture Rate

37.25 GTexel/s

-

2.640 TFLOPS

FP32 (float)

894.0 GFLOPS

528.0 GFLOPS

FP64 (double)

74.50 GFLOPS

Board Design

208W

TDP

102W

550 W

Suggested PSU

300 W

4x DisplayPort 1.1 1x S-Video

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 6-pin

Power Connectors

-

Graphics Processor

Cypress

GPU Name

GF114

Cypress XT GL

GPU Variant

-

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.154 billion

Transistors

1.95 billion

334 mm²

Die Size

332 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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