ATI Radeon HD 3870 Mac Edition vs NVIDIA GeForce GTX 480 Core 512

VS

ATI Radeon HD 3870 Mac Edition

NVIDIA GeForce GTX 480 Core 512

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 1536MB VRAM GeForce GTX 480 Core 512 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3870 Mac Edition 's Advantages

Lower TDP (106W vs 375W)

NVIDIA GeForce GTX 480 Core 512 's Advantages

More VRAM (1536GB vs 512GB)

Larger VRAM bandwidth (134.4GB/s vs 72.06GB/s)

192 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition

0.497 TFLOPS

GeForce GTX 480 Core 512 +116%

1.078 TFLOPS

Radeon HD 3870 Mac Edition

VS

GeForce GTX 480 Core 512

Graphics Card

Jun 2008

Release Date

Unknown

Radeon R600

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1126 MHz

Memory Clock

700 MHz

Memory

512MB

Memory Size

1536MB

GDDR4

Memory Type

GDDR5

256bit

Memory Bus

384bit

72.06GB/s

Bandwidth

134.4GB/s

Render Config

4

Compute Units

-

SM Count

16

320

Shading Units

512

16

TMUs

64

16

ROPs

48

-

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

768 KB

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

16.86 GPixel/s

12.43 GTexel/s

Texture Rate

33.73 GTexel/s

-

497.3 GFLOPS

FP32 (float)

1078 GFLOPS

99.46 GFLOPS

FP64 (double)

-

Board Design

106W

TDP

375W

300 W

Suggested PSU

750 W

2x DVI 1x S-Video

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

RV670

GPU Name

GF100

RV670 XT (215-0708005)

GPU Variant

GF100-ES-DT1-A2

TeraScale

Architecture

Fermi

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.666 billion

Transistors

3.1 billion

192 mm²

Die Size

529 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.0

4.1

Shader Model

5.1

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