NVIDIA GeForce GTX 1070 GDDR5X vs AMD Radeon HD 6870 X2

VS

NVIDIA GeForce GTX 1070 GDDR5X

AMD Radeon HD 6870 X2

We compared two Desktop platform GPUs: 8GB VRAM GeForce GTX 1070 GDDR5X and 1024MB VRAM Radeon HD 6870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1070 GDDR5X 's Advantages

Released 7 years and 5 months late

Boost Clock1683MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (256.3GB/s vs 134.4GB/s)

800 additional rendering cores

Lower TDP (150W vs 300W)

Score

Benchmark

FP32 (float)

GeForce GTX 1070 GDDR5X +220%

6.463 TFLOPS

Radeon HD 6870 X2

2.016 TFLOPS

GeForce GTX 1070 GDDR5X

VS

Radeon HD 6870 X2

Graphics Card

Dec 2018

Release Date

Jul 2011

GeForce 10

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1506 MHz

Base Clock

-

1683 MHz

Boost Clock

-

1001 MHz

Memory Clock

1050 MHz

Memory

8GB

Memory Size

1024MB

GDDR5X

Memory Type

GDDR5

256bit

Memory Bus

256bit

256.3GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

14

15

SM Count

-

1920

Shading Units

1120

120

TMUs

56

64

ROPs

32

-

48 KB (per SM)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

107.7 GPixel/s

Pixel Rate

28.80 GPixel/s

202.0 GTexel/s

Texture Rate

50.40 GTexel/s

101.0 GFLOPS

FP16 (half)

-

6.463 TFLOPS

FP32 (float)

2.016 TFLOPS

202.0 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

300W

450 W

Suggested PSU

700 W

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

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

1x 8-pin

Power Connectors

-

Graphics Processor

GP104

GPU Name

Barts

GP104-200-A1

GPU Variant

Barts XT (215-0798000)

Pascal

Architecture

TeraScale 2

TSMC

Foundry

TSMC

16 nm

Process Size

40 nm

7.2 billion

Transistors

1.7 billion

314 mm²

Die Size

255 mm²

Graphics Features

12 (12_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

6.1

CUDA

-

6.4

Shader Model

5.0

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