ATI Radeon HD 4770 vs NVIDIA GeForce GT 440 Mac Edition

VS

ATI Radeon HD 4770

NVIDIA GeForce GT 440 Mac Edition

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4770 and 1024MB VRAM GeForce GT 440 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4770 's Advantages

Larger VRAM bandwidth (51.20GB/s vs 21.34GB/s)

544 additional rendering cores

NVIDIA GeForce GT 440 Mac Edition 's Advantages

Released 1 years and 10 months late

More VRAM (1024GB vs 512GB)

Lower TDP (65W vs 80W)

Score

Benchmark

FP32 (float)

Radeon HD 4770 +208%

0.96 TFLOPS

GeForce GT 440 Mac Edition

0.311 TFLOPS

Radeon HD 4770

VS

GeForce GT 440 Mac Edition

Graphics Card

Apr 2009

Release Date

Feb 2011

Radeon R700

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

800 MHz

Memory Clock

667 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

51.20GB/s

Bandwidth

21.34GB/s

Render Config

8

Compute Units

-

SM Count

2

640

Shading Units

96

32

TMUs

16

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

3.240 GPixel/s

24.00 GTexel/s

Texture Rate

12.96 GTexel/s

-

960.0 GFLOPS

FP32 (float)

311.0 GFLOPS

192.0 GFLOPS

FP64 (double)

25.92 GFLOPS

Board Design

80W

TDP

65W

250 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

RV740

GPU Name

GF108

RV740 XT (215-0727019)

GPU Variant

GF108-400-A1

TeraScale

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.826 billion

Transistors

0.585 billion

137 mm²

Die Size

116 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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