AMD Radeon HD 6870 X2 vs NVIDIA GeForce GTX 1070

VS

AMD Radeon HD 6870 X2 NVIDIA GeForce GTX 1070

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

Main Differences

NVIDIA GeForce GTX 1070 's Advantages

Released 4 years and 11 months late

Boost Clock1683MHz

More VRAM (8GB vs 1GB)

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

800 additional rendering cores

Lower TDP (150W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2

2.016 TFLOPS

GeForce GTX 1070 +220%

6.463 TFLOPS

Radeon HD 6870 X2

VS

GeForce GTX 1070

Graphics Card

Jul 2011

Release Date

Jun 2016

Northern Islands

Generation

GeForce 10

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1506 MHz

-

Boost Clock

1683 MHz

1050 MHz

Memory Clock

2002 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

256.3GB/s

Render Config

-

SM Count

15

14

Compute Units

-

1120

Shading Units

1920

56

TMUs

120

32

ROPs

64

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

48 KB (per SM)

512 KB

L2 Cache

2 MB

Theoretical Performance

28.80 GPixel/s

Pixel Rate

107.7 GPixel/s

50.40 GTexel/s

Texture Rate

202.0 GTexel/s

-

FP16 (half)

101.0 GFLOPS

2.016 TFLOPS

FP32 (float)

6.463 TFLOPS

-

FP64 (double)

202.0 GFLOPS

Graphics Processor

Barts

GPU Name

GP104

Barts XT (215-0798000)

GPU Variant

GP104-200-A1

TeraScale 2

Architecture

Pascal

TSMC

Foundry

TSMC

40 nm

Process Size

16 nm

1.7 billion

Transistors

7.2 billion

255 mm²

Die Size

314 mm²

Board Design

300W

TDP

150W

700 W

Suggested PSU

450 W

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

Outputs

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

-

Power Connectors

1x 8-pin

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

6.1

5.0

Shader Model

6.4

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