AMD Radeon HD 6870 X2 vs NVIDIA GeForce GT 720

VS

AMD Radeon HD 6870 X2

NVIDIA GeForce GT 720

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 1024MB VRAM GeForce GT 720 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 12.80GB/s)

928 additional rendering cores

NVIDIA GeForce GT 720 's Advantages

Released 3 years and 2 months late

Lower TDP (19W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2 +558%

2.016 TFLOPS

GeForce GT 720

0.306 TFLOPS

Radeon HD 6870 X2

VS

GeForce GT 720

Graphics Card

Jul 2011

Release Date

Sep 2014

Northern Islands

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x8

Clock Speeds

-

1050 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

134.4GB/s

Bandwidth

12.80GB/s

Render Config

14

Compute Units

-

1120

Shading Units

192

56

TMUs

16

32

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

3.188 GPixel/s

50.40 GTexel/s

Texture Rate

12.75 GTexel/s

-

2.016 TFLOPS

FP32 (float)

306.0 GFLOPS

-

FP64 (double)

12.75 GFLOPS

Board Design

300W

TDP

19W

700 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

-

Power Connectors

None

Graphics Processor

Barts

GPU Name

GK208B

Barts XT (215-0798000)

GPU Variant

-

TeraScale 2

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

1.02 billion

255 mm²

Die Size

87 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.5

5.0

Shader Model

5.1

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