NVIDIA GeForce GT 440 OEM vs ATI Radeon HD 4770

VS

NVIDIA GeForce GT 440 OEM

ATI Radeon HD 4770

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 440 OEM and 512MB VRAM Radeon HD 4770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 440 OEM 's Advantages

Released 1 years and 6 months late

More VRAM (1536GB vs 512GB)

Lower TDP (65W vs 80W)

ATI Radeon HD 4770 's Advantages

Larger VRAM bandwidth (51.20GB/s vs 43.20GB/s)

496 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 440 OEM

0.467 TFLOPS

Radeon HD 4770 +105%

0.96 TFLOPS

GeForce GT 440 OEM

VS

Radeon HD 4770

Graphics Card

Oct 2010

Release Date

Apr 2009

GeForce 400

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

800 MHz

Memory

1536MB

Memory Size

512MB

DDR3

Memory Type

GDDR5

192bit

Memory Bus

128bit

43.20GB/s

Bandwidth

51.20GB/s

Render Config

-

Compute Units

8

3

SM Count

-

144

Shading Units

640

24

TMUs

32

24

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

128 KB

-

Theoretical Performance

4.860 GPixel/s

Pixel Rate

12.00 GPixel/s

19.44 GTexel/s

Texture Rate

24.00 GTexel/s

-

466.6 GFLOPS

FP32 (float)

960.0 GFLOPS

38.88 GFLOPS

FP64 (double)

192.0 GFLOPS

Board Design

65W

TDP

80W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Processor

GF106

GPU Name

RV740

-

GPU Variant

RV740 XT (215-0727019)

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.17 billion

Transistors

0.826 billion

238 mm²

Die Size

137 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

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