NVIDIA GeForce GTX 480 Core 512 vs ATI Radeon HD 4870 X2

VS

NVIDIA GeForce GTX 480 Core 512

ATI Radeon HD 4870 X2

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 480 Core 512 and 1024MB VRAM Radeon HD 4870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 480 Core 512 's Advantages

More VRAM (1536GB vs 1024GB)

Larger VRAM bandwidth (134.4GB/s vs 115.2GB/s)

ATI Radeon HD 4870 X2 's Advantages

288 additional rendering cores

Lower TDP (286W vs 375W)

Score

Benchmark

FP32 (float)

GeForce GTX 480 Core 512

1.078 TFLOPS

Radeon HD 4870 X2 +11%

1.2 TFLOPS

GeForce GTX 480 Core 512

VS

Radeon HD 4870 X2

Graphics Card

Unknown

Release Date

Aug 2008

GeForce 400

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

700 MHz

Memory Clock

900 MHz

Memory

1536MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

134.4GB/s

Bandwidth

115.2GB/s

Render Config

-

Compute Units

10

16

SM Count

-

512

Shading Units

800

64

TMUs

40

48

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

256 KB

-

Theoretical Performance

16.86 GPixel/s

Pixel Rate

12.00 GPixel/s

33.73 GTexel/s

Texture Rate

30.00 GTexel/s

-

1078 GFLOPS

FP32 (float)

1200 GFLOPS

-

FP64 (double)

240.0 GFLOPS

Board Design

375W

TDP

286W

750 W

Suggested PSU

600 W

2x DVI 1x mini-HDMI 1.3a

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GF100

GPU Name

R700

GF100-ES-DT1-A2

GPU Variant

R700 XT (215-0669045)

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

3.1 billion

Transistors

0.956 billion

529 mm²

Die Size

256 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

2.0

CUDA

-

5.1

Shader Model

4.1

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