ATI Radeon HD 4770 vs NVIDIA GeForce GTX 480

VS

ATI Radeon HD 4770

NVIDIA GeForce GTX 480

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4770 and 1536MB VRAM GeForce GTX 480 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4770 's Advantages

160 additional rendering cores

Lower TDP (80W vs 250W)

NVIDIA GeForce GTX 480 's Advantages

Released 11 months late

More VRAM (1536GB vs 512GB)

Larger VRAM bandwidth (177.4GB/s vs 51.20GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 4770

0.96 TFLOPS

GeForce GTX 480 +40%

1.345 TFLOPS

Radeon HD 4770

VS

GeForce GTX 480

Graphics Card

Apr 2009

Release Date

Mar 2010

Radeon R700

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

924 MHz

Memory

512MB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

51.20GB/s

Bandwidth

177.4GB/s

Render Config

8

Compute Units

-

SM Count

15

640

Shading Units

480

32

TMUs

60

16

ROPs

48

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

768 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

21.03 GPixel/s

24.00 GTexel/s

Texture Rate

42.06 GTexel/s

-

960.0 GFLOPS

FP32 (float)

1345 GFLOPS

192.0 GFLOPS

FP64 (double)

168.1 GFLOPS

Board Design

80W

TDP

250W

250 W

Suggested PSU

600 W

2x DVI 1x S-Video

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV740

GPU Name

GF100

RV740 XT (215-0727019)

GPU Variant

GF100-375-A3

TeraScale

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.826 billion

Transistors

3.1 billion

137 mm²

Die Size

529 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

2.0

4.1

Shader Model

5.1

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