ATI Radeon HD 4770 vs NVIDIA GeForce GT 545 OEM

VS

ATI Radeon HD 4770

NVIDIA GeForce GT 545 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4770 and 1024MB VRAM GeForce GT 545 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4770 's Advantages

496 additional rendering cores

Lower TDP (80W vs 105W)

NVIDIA GeForce GT 545 OEM 's Advantages

Released 2 years and 1 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 51.20GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 4770 +91%

0.96 TFLOPS

GeForce GT 545 OEM

0.501 TFLOPS

Radeon HD 4770

VS

GeForce GT 545 OEM

Graphics Card

Apr 2009

Release Date

May 2011

Radeon R700

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

51.20GB/s

Bandwidth

64.00GB/s

Render Config

8

Compute Units

-

SM Count

3

640

Shading Units

144

32

TMUs

24

16

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

5.226 GPixel/s

24.00 GTexel/s

Texture Rate

20.90 GTexel/s

-

960.0 GFLOPS

FP32 (float)

501.4 GFLOPS

192.0 GFLOPS

FP64 (double)

41.78 GFLOPS

Board Design

80W

TDP

105W

250 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

RV740

GPU Name

GF116

RV740 XT (215-0727019)

GPU Variant

GF116-110-KA-A1

TeraScale

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.826 billion

Transistors

1.17 billion

137 mm²

Die Size

238 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

4.1

Shader Model

5.1

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