AMD Radeon HD 7870 XT vs NVIDIA GeForce GTX 470 X2

VS

AMD Radeon HD 7870 XT

NVIDIA GeForce GTX 470 X2

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT 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 XT 's Advantages

Boost Clock975MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (192.0GB/s vs 107.1GB/s)

1184 additional rendering cores

Lower TDP (185W vs 215W)

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT +250%

2.995 TFLOPS

GeForce GTX 470 X2

0.855 TFLOPS

Radeon HD 7870 XT

VS

GeForce GTX 470 X2

Graphics Card

Nov 2012

Release Date

Unknown

Southern Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

925 MHz

Base Clock

-

975 MHz

Boost Clock

-

1500 MHz

Memory Clock

837 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

192.0GB/s

Bandwidth

107.1GB/s

Render Config

24

Compute Units

-

SM Count

11

1536

Shading Units

352

96

TMUs

44

32

ROPs

32

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

31.20 GPixel/s

Pixel Rate

13.38 GPixel/s

93.60 GTexel/s

Texture Rate

26.75 GTexel/s

-

2.995 TFLOPS

FP32 (float)

855.4 GFLOPS

748.8 GFLOPS

FP64 (double)

-

Board Design

185W

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

Tahiti

GPU Name

GF100

Tahiti LE (215-0821122)

GPU Variant

GF100-030-A3

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

3.1 billion

352 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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