AMD Radeon HD 7870 GHz Edition vs NVIDIA GeForce GTX 470 X2

VS

AMD Radeon HD 7870 GHz Edition

NVIDIA GeForce GTX 470 X2

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz 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

AMD Radeon HD 7870 GHz Edition 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 107.1GB/s)

928 additional rendering cores

Lower TDP (175W vs 215W)

Score

Benchmark

FP32 (float)

Radeon HD 7870 GHz Edition +199%

2.56 TFLOPS

GeForce GTX 470 X2

0.855 TFLOPS

Radeon HD 7870 GHz Edition

VS

GeForce GTX 470 X2

Graphics Card

Mar 2012

Release Date

Unknown

Southern Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

837 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

107.1GB/s

Render Config

20

Compute Units

-

SM Count

11

1280

Shading Units

352

80

TMUs

44

32

ROPs

32

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

13.38 GPixel/s

80.00 GTexel/s

Texture Rate

26.75 GTexel/s

-

2.560 TFLOPS

FP32 (float)

855.4 GFLOPS

160.0 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

215W

450 W

Suggested PSU

550 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

3x DVI

2x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Pitcairn

GPU Name

GF100

Pitcairn XT (215-0828047)

GPU Variant

GF100-030-A3

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

3.1 billion

212 mm²

Die Size

529 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.0

5.1

Shader Model

5.1

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