AMD Radeon HD 6870 1600SP Edition vs NVIDIA GeForce GTX 950 Low Power

VS

AMD Radeon HD 6870 1600SP Edition

NVIDIA GeForce GTX 950 Low Power

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 1600SP Edition and 2GB VRAM GeForce GTX 950 Low Power to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 1600SP Edition 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 105.8GB/s)

832 additional rendering cores

NVIDIA GeForce GTX 950 Low Power 's Advantages

Released 3 years and 2 months late

Boost Clock1190MHz

More VRAM (2GB vs 1024GB)

Lower TDP (75W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 1600SP Edition +48%

2.72 TFLOPS

GeForce GTX 950 Low Power

1.828 TFLOPS

Radeon HD 6870 1600SP Edition

VS

GeForce GTX 950 Low Power

Graphics Card

Jan 2013

Release Date

Mar 2016

Northern Islands

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1026 MHz

-

Boost Clock

1190 MHz

1050 MHz

Memory Clock

1653 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

105.8GB/s

Render Config

20

Compute Units

-

1600

Shading Units

768

80

TMUs

48

32

ROPs

32

-

8 KB (per CU)

L1 Cache

48 KB (per SMM)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

38.08 GPixel/s

68.00 GTexel/s

Texture Rate

57.12 GTexel/s

-

2.720 TFLOPS

FP32 (float)

1.828 TFLOPS

544.0 GFLOPS

FP64 (double)

57.12 GFLOPS

Board Design

175W

TDP

75W

450 W

Suggested PSU

250 W

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

Outputs

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

2x 6-pin

Power Connectors

None

Graphics Processor

Cypress

GPU Name

GM206

Cypress XT (215-0735033)

GPU Variant

GM206-251-A1

TeraScale 2

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.154 billion

Transistors

2.94 billion

334 mm²

Die Size

228 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

5.2

5.0

Shader Model

6.4

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