NVIDIA GeForce GTX 590 vs NVIDIA GeForce GT 645 OEM

VS

NVIDIA GeForce GTX 590

NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 590 and 1024MB VRAM GeForce GT 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 590 's Advantages

More VRAM (1536GB vs 1024GB)

Larger VRAM bandwidth (164.0GB/s vs 91.87GB/s)

224 additional rendering cores

NVIDIA GeForce GT 645 OEM 's Advantages

Released 1 years and 1 months late

Lower TDP (102W vs 365W)

Score

Benchmark

FP32 (float)

GeForce GTX 590 +39%

1.244 TFLOPS

GeForce GT 645 OEM

0.894 TFLOPS

GeForce GTX 590

VS

GeForce GT 645 OEM

Graphics Card

Mar 2011

Release Date

Apr 2012

GeForce 500

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

854 MHz

Memory Clock

957 MHz

Memory

1536MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

192bit

164.0GB/s

Bandwidth

91.87GB/s

Render Config

-

16

SM Count

6

512

Shading Units

288

64

TMUs

48

ROPs

24

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

768 KB

L2 Cache

384 KB

-

Theoretical Performance

19.46 GPixel/s

Pixel Rate

9.312 GPixel/s

38.91 GTexel/s

Texture Rate

37.25 GTexel/s

-

1244 GFLOPS

FP32 (float)

894.0 GFLOPS

155.5 GFLOPS

FP64 (double)

74.50 GFLOPS

Board Design

365W

TDP

102W

750 W

Suggested PSU

300 W

3x DVI 1x mini-DisplayPort

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 8-pin

Power Connectors

-

Graphics Processor

GF110

GPU Name

GF114

GF110-351-A1

GPU Variant

-

Fermi 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

3 billion

Transistors

1.95 billion

520 mm²

Die Size

332 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.0

CUDA

2.1

5.1

Shader Model

5.1

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