NVIDIA GeForce GT 545 vs AMD Radeon HD 7790

VS

NVIDIA GeForce GT 545

AMD Radeon HD 7790

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 545 and 1024MB VRAM Radeon HD 7790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 545 's Advantages

More VRAM (1536GB vs 1024GB)

Lower TDP (70W vs 85W)

AMD Radeon HD 7790 's Advantages

Released 1 years and 10 months late

Larger VRAM bandwidth (96.00GB/s vs 38.40GB/s)

752 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 545

0.415 TFLOPS

Radeon HD 7790 +331%

1.792 TFLOPS

GeForce GT 545

VS

Radeon HD 7790

Graphics Card

May 2011

Release Date

Mar 2013

GeForce 500

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1500 MHz

Memory

1536MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

192bit

Memory Bus

128bit

38.40GB/s

Bandwidth

96.00GB/s

Render Config

-

Compute Units

14

3

SM Count

-

144

Shading Units

896

24

TMUs

56

16

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

16.00 GPixel/s

17.28 GTexel/s

Texture Rate

56.00 GTexel/s

-

414.7 GFLOPS

FP32 (float)

1.792 TFLOPS

34.56 GFLOPS

FP64 (double)

112.0 GFLOPS

Board Design

70W

TDP

85W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

None

Power Connectors

1x 6-pin

Graphics Processor

GF116

GPU Name

Bonaire

-

GPU Variant

Bonaire XT (215-0839039)

Fermi 2.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.17 billion

Transistors

2.08 billion

238 mm²

Die Size

160 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.1

OpenCL

2.0

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

6.3

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