NVIDIA GeForce GT 545 vs AMD Radeon HD 7870 XT

VS

NVIDIA GeForce GT 545

AMD Radeon HD 7870 XT

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 545 and 2GB VRAM Radeon HD 7870 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 545 's Advantages

Lower TDP (70W vs 185W)

AMD Radeon HD 7870 XT 's Advantages

Released 1 years and 6 months late

Boost Clock975MHz

More VRAM (2GB vs 1536GB)

Larger VRAM bandwidth (192.0GB/s vs 38.40GB/s)

1392 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 545

0.415 TFLOPS

Radeon HD 7870 XT +621%

2.995 TFLOPS

GeForce GT 545

VS

Radeon HD 7870 XT

Graphics Card

May 2011

Release Date

Nov 2012

GeForce 500

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

925 MHz

-

Boost Clock

975 MHz

800 MHz

Memory Clock

1500 MHz

Memory

1536MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

192bit

Memory Bus

256bit

38.40GB/s

Bandwidth

192.0GB/s

Render Config

-

Compute Units

24

3

SM Count

-

144

Shading Units

1536

24

TMUs

96

16

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

512 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

31.20 GPixel/s

17.28 GTexel/s

Texture Rate

93.60 GTexel/s

-

414.7 GFLOPS

FP32 (float)

2.995 TFLOPS

34.56 GFLOPS

FP64 (double)

748.8 GFLOPS

Board Design

70W

TDP

185W

250 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

GF116

GPU Name

Tahiti

-

GPU Variant

Tahiti LE (215-0821122)

Fermi 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.17 billion

Transistors

4.313 billion

238 mm²

Die Size

352 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

5.1

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