NVIDIA GeForce GT 545 vs NVIDIA GeForce 7800 GTX 512

VS

NVIDIA GeForce GT 545

NVIDIA GeForce 7800 GTX 512

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 545 and 512MB VRAM GeForce 7800 GTX 512 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 545 's Advantages

Released 5 years and 6 months late

More VRAM (1536GB vs 512GB)

144 additional rendering cores

Lower TDP (70W vs 108W)

NVIDIA GeForce 7800 GTX 512 's Advantages

Larger VRAM bandwidth (51.20GB/s vs 38.40GB/s)

Score

GeForce GT 545

VS

GeForce 7800 GTX 512

Graphics Card

May 2011

Release Date

Nov 2005

GeForce 500

Generation

GeForce 7 PCIe

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

800 MHz

Memory Clock

800 MHz

Memory

1536MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

192bit

Memory Bus

256bit

38.40GB/s

Bandwidth

51.20GB/s

Render Config

-

3

SM Count

-

144

Shading Units

-

24

TMUs

24

16

ROPs

16

-

64 KB (per SM)

L1 Cache

-

384 KB

L2 Cache

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

8.000 GPixel/s

17.28 GTexel/s

Texture Rate

12.00 GTexel/s

-

414.7 GFLOPS

FP32 (float)

-

34.56 GFLOPS

FP64 (double)

-

Board Design

70W

TDP

108W

250 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x S-Video

None

Power Connectors

-

Graphics Processor

GF116

GPU Name

G70

-

GPU Variant

GF-7800-GTX-512-A2

Fermi 2.0

Architecture

Curie

TSMC

Foundry

TSMC

40 nm

Process Size

110 nm

1.17 billion

Transistors

0.302 billion

238 mm²

Die Size

333 mm²

Graphics Features

12 (11_0)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

1.1

OpenCL

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

3.0

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