NVIDIA GeForce GT 545 vs AMD Radeon HD 7850

VS

NVIDIA GeForce GT 545

AMD Radeon HD 7850

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 545 and 2GB VRAM Radeon HD 7850 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 130W)

AMD Radeon HD 7850 's Advantages

Released 10 months late

More VRAM (2GB vs 1536GB)

Larger VRAM bandwidth (153.6GB/s vs 38.40GB/s)

880 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 545

0.415 TFLOPS

Radeon HD 7850 +324%

1.761 TFLOPS

GeForce GT 545

VS

Radeon HD 7850

Graphics Card

May 2011

Release Date

Mar 2012

GeForce 500

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1200 MHz

Memory

1536MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

192bit

Memory Bus

256bit

38.40GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

16

3

SM Count

-

144

Shading Units

1024

24

TMUs

64

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

27.52 GPixel/s

17.28 GTexel/s

Texture Rate

55.04 GTexel/s

-

414.7 GFLOPS

FP32 (float)

1.761 TFLOPS

34.56 GFLOPS

FP64 (double)

110.1 GFLOPS

Board Design

70W

TDP

130W

250 W

Suggested PSU

300 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

Pitcairn

-

GPU Variant

Pitcairn PRO (215-0828062)

Fermi 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.17 billion

Transistors

2.8 billion

238 mm²

Die Size

212 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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