AMD Radeon HD 6870 X2 vs NVIDIA GeForce GTX 960 OEM

VS

AMD Radeon HD 6870 X2

NVIDIA GeForce GTX 960 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 4GB VRAM GeForce GTX 960 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 X2 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 112.2GB/s)

96 additional rendering cores

NVIDIA GeForce GTX 960 OEM 's Advantages

Released 4 years and 4 months late

Boost Clock1201MHz

More VRAM (4GB vs 1024GB)

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2

2.016 TFLOPS

GeForce GTX 960 OEM +22%

2.46 TFLOPS

Radeon HD 6870 X2

VS

GeForce GTX 960 OEM

Graphics Card

Jul 2011

Release Date

Nov 2015

Northern Islands

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1176 MHz

-

Boost Clock

1201 MHz

1050 MHz

Memory Clock

1753 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

112.2GB/s

Render Config

14

Compute Units

-

1120

Shading Units

1024

56

TMUs

64

32

ROPs

32

-

8 KB (per CU)

L1 Cache

48 KB (per SMM)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

38.43 GPixel/s

50.40 GTexel/s

Texture Rate

76.86 GTexel/s

-

2.016 TFLOPS

FP32 (float)

2.460 TFLOPS

-

FP64 (double)

76.86 GFLOPS

Board Design

300W

TDP

Unknown

700 W

Suggested PSU

200 W

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

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Barts

GPU Name

GM206

Barts XT (215-0798000)

GPU Variant

GTX 960 OEM

TeraScale 2

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

2.94 billion

255 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

6.7

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