NVIDIA GeForce GT 645 OEM vs ATI FireGL V5600

VS

NVIDIA GeForce GT 645 OEM

ATI FireGL V5600

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 512MB VRAM FireGL V5600 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 4 years and 8 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (91.87GB/s vs 35.20GB/s)

168 additional rendering cores

ATI FireGL V5600 's Advantages

Lower TDP (89W vs 102W)

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM +365%

0.894 TFLOPS

FireGL V5600

0.192 TFLOPS

GeForce GT 645 OEM

VS

FireGL V5600

Graphics Card

Apr 2012

Release Date

Aug 2007

GeForce 600

Generation

FireGL

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

957 MHz

Memory Clock

1100 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR4

192bit

Memory Bus

128bit

91.87GB/s

Bandwidth

35.20GB/s

Render Config

-

Compute Units

3

6

SM Count

-

288

Shading Units

120

48

TMUs

8

24

ROPs

4

-

64 KB (per SM)

L1 Cache

-

384 KB

L2 Cache

64 KB

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

3.200 GPixel/s

37.25 GTexel/s

Texture Rate

6.400 GTexel/s

-

894.0 GFLOPS

FP32 (float)

192.0 GFLOPS

74.50 GFLOPS

FP64 (double)

-

Board Design

102W

TDP

89W

300 W

Suggested PSU

250 W

2x DVI 1x mini-HDMI 1.3a

Outputs

2x DVI

-

Power Connectors

None

Graphics Processor

GF114

GPU Name

RV630

-

GPU Variant

RV630 GL

Fermi 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

1.95 billion

Transistors

0.39 billion

332 mm²

Die Size

153 mm²

Graphics Features

12 (11_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.0

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