ATI Radeon HD 4770 vs NVIDIA GeForce GT 330 OEM

VS

ATI Radeon HD 4770

NVIDIA GeForce GT 330 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4770 and 1024MB VRAM GeForce GT 330 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4770 's Advantages

544 additional rendering cores

NVIDIA GeForce GT 330 OEM 's Advantages

Released 10 months late

More VRAM (1024GB vs 512GB)

Lower TDP (75W vs 80W)

Score

Benchmark

FP32 (float)

Radeon HD 4770 +300%

0.96 TFLOPS

GeForce GT 330 OEM

0.24 TFLOPS

Radeon HD 4770

VS

GeForce GT 330 OEM

Graphics Card

Apr 2009

Release Date

Feb 2010

Radeon R700

Generation

GeForce 300

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

51.20GB/s

Bandwidth

51.20GB/s

Render Config

8

Compute Units

-

SM Count

12

640

Shading Units

96

32

TMUs

48

16

ROPs

8

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

64 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

4.000 GPixel/s

24.00 GTexel/s

Texture Rate

24.00 GTexel/s

-

960.0 GFLOPS

FP32 (float)

240.0 GFLOPS

192.0 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

75W

250 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

RV740

GPU Name

G92

RV740 XT (215-0727019)

GPU Variant

-

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

0.826 billion

Transistors

0.754 billion

137 mm²

Die Size

324 mm²

Graphics Features

10.1 (10_1)

DirectX

11.1 (10_0)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

4.1

Shader Model

4.0

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