AMD Radeon HD 6870 vs NVIDIA GeForce GTX 470 X2

VS

AMD Radeon HD 6870 NVIDIA GeForce GTX 470 X2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 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 6870 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 107.1GB/s)

768 additional rendering cores

Lower TDP (151W vs 215W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 +135%

2.016 TFLOPS

GeForce GTX 470 X2

0.855 TFLOPS

Radeon HD 6870

VS

GeForce GTX 470 X2

Graphics Card

Oct 2010

Release Date

Unknown

Northern Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1050 MHz

Memory Clock

837 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

107.1GB/s

Render Config

-

SM Count

11

14

Compute Units

-

1120

Shading Units

352

56

TMUs

44

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

512 KB

Theoretical Performance

28.80 GPixel/s

Pixel Rate

13.38 GPixel/s

50.40 GTexel/s

Texture Rate

26.75 GTexel/s

-

FP16 (half)

-

2.016 TFLOPS

FP32 (float)

855.4 GFLOPS

-

FP64 (double)

-

Graphics Processor

Barts

GPU Name

GF100

Barts XT (215-0798000)

GPU Variant

GF100-030-A3

TeraScale 2

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

3.1 billion

255 mm²

Die Size

529 mm²

Board Design

151W

TDP

215W

450 W

Suggested PSU

550 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

3x DVI

2x 6-pin

Power Connectors

2x 8-pin

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.0

5.0

Shader Model

5.1

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