ATI Radeon HD 3870 Mac Edition vs NVIDIA GeForce GTX 470 X2

VS

ATI Radeon HD 3870 Mac Edition

NVIDIA GeForce GTX 470 X2

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 1024MB VRAM GeForce GTX 470 X2 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 215W)

NVIDIA GeForce GTX 470 X2 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (107.1GB/s vs 72.06GB/s)

32 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition

0.497 TFLOPS

GeForce GTX 470 X2 +72%

0.855 TFLOPS

Radeon HD 3870 Mac Edition

VS

GeForce GTX 470 X2

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

837 MHz

Memory

512MB

Memory Size

1024MB

GDDR4

Memory Type

GDDR5

256bit

Memory Bus

256bit

72.06GB/s

Bandwidth

107.1GB/s

Render Config

4

Compute Units

-

SM Count

11

320

Shading Units

352

16

TMUs

44

16

ROPs

32

-

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

13.38 GPixel/s

12.43 GTexel/s

Texture Rate

26.75 GTexel/s

-

497.3 GFLOPS

FP32 (float)

855.4 GFLOPS

99.46 GFLOPS

FP64 (double)

-

Board Design

106W

TDP

215W

300 W

Suggested PSU

550 W

2x DVI 1x S-Video

Outputs

3x DVI

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

RV670

GPU Name

GF100

RV670 XT (215-0708005)

GPU Variant

GF100-030-A3

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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