AMD Radeon HD 6870 X2 vs NVIDIA GeForce GT 220

VS

AMD Radeon HD 6870 X2

NVIDIA GeForce GT 220

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 1024MB VRAM GeForce GT 220 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 X2 's Advantages

Released 1 years and 6 months late

Larger VRAM bandwidth (134.4GB/s vs 22.40GB/s)

1072 additional rendering cores

NVIDIA GeForce GT 220 's Advantages

Lower TDP (58W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2 +1300%

2.016 TFLOPS

GeForce GT 220

0.144 TFLOPS

Radeon HD 6870 X2

VS

GeForce GT 220

Graphics Card

Jul 2011

Release Date

Jan 2010

Northern Islands

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

22.40GB/s

Render Config

14

Compute Units

-

SM Count

6

1120

Shading Units

48

56

TMUs

24

32

ROPs

8

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

4.800 GPixel/s

50.40 GTexel/s

Texture Rate

14.40 GTexel/s

-

2.016 TFLOPS

FP32 (float)

144.0 GFLOPS

-

Board Design

300W

TDP

58W

700 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1x VGA

-

Graphics Processor

Barts

GPU Name

G94

Barts XT (215-0798000)

GPU Variant

-

TeraScale 2

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

1.7 billion

Transistors

0.505 billion

255 mm²

Die Size

240 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

5.0

Shader Model

4.0

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