NVIDIA GeForce GT 645 OEM vs ATI FirePro V8700

VS

NVIDIA GeForce GT 645 OEM

ATI FirePro V8700

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 1024MB VRAM FirePro V8700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 645 OEM 's Advantages

Released 3 years and 7 months late

Lower TDP (102W vs 151W)

ATI FirePro V8700 's Advantages

Larger VRAM bandwidth (108.8GB/s vs 91.87GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM

0.894 TFLOPS

FirePro V8700 +34%

1.2 TFLOPS

GeForce GT 645 OEM

VS

FirePro V8700

Graphics Card

Apr 2012

Release Date

Sep 2008

GeForce 600

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

957 MHz

Memory Clock

850 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

91.87GB/s

Bandwidth

108.8GB/s

Render Config

-

Compute Units

10

6

SM Count

-

288

Shading Units

800

48

TMUs

40

24

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

12.00 GPixel/s

37.25 GTexel/s

Texture Rate

30.00 GTexel/s

-

894.0 GFLOPS

FP32 (float)

1200 GFLOPS

74.50 GFLOPS

FP64 (double)

240.0 GFLOPS

Board Design

102W

TDP

151W

300 W

Suggested PSU

450 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x DVI 2x DisplayPort 1.0 1x S-Video

-

Power Connectors

2x 6-pin

Graphics Processor

GF114

GPU Name

RV770

-

GPU Variant

RV770 XT (215-0669049)

Fermi 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.95 billion

Transistors

0.956 billion

332 mm²

Die Size

256 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

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