AMD Radeon HD 6870 X2 vs NVIDIA P104 101

VS

AMD Radeon HD 6870 X2

NVIDIA P104 101

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 4GB VRAM P104 101 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA P104 101 's Advantages

Released 6 years and 6 months late

Boost Clock1683MHz

More VRAM (4GB vs 1024GB)

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

1440 additional rendering cores

Lower TDP (125W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2

2.016 TFLOPS

P104 101 +327%

8.617 TFLOPS

Radeon HD 6870 X2

VS

P104 101

Graphics Card

Jul 2011

Release Date

Jan 2018

Northern Islands

Generation

Mining GPUs

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

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

256.3GB/s

Render Config

14

Compute Units

-

SM Count

20

1120

Shading Units

2560

56

TMUs

160

32

ROPs

64

-

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

269.3 GTexel/s

-

FP16 (half)

134.6 GFLOPS

2.016 TFLOPS

FP32 (float)

8.617 TFLOPS

-

FP64 (double)

269.3 GFLOPS

Board Design

300W

TDP

125W

700 W

Suggested PSU

200 W

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

Outputs

No outputs

-

Power Connectors

1x 8-pin

Graphics Processor

Barts

GPU Name

GP104

Barts XT (215-0798000)

GPU Variant

GP104-101-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

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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