AMD Radeon HD 6870 X2 vs ATI FireMV 2260 PCIe x1

VS

AMD Radeon HD 6870 X2 ATI FireMV 2260 PCIe x1

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 256MB VRAM FireMV 2260 PCIe x1 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 3 years and 6 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (134.4GB/s vs 8.000GB/s)

1080 additional rendering cores

ATI FireMV 2260 PCIe x1 's Advantages

Lower TDP (15W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2 +4940%

2.016 TFLOPS

FireMV 2260 PCIe x1

0.04 TFLOPS

Radeon HD 6870 X2

VS

FireMV 2260 PCIe x1

Graphics Card

Jul 2011

Release Date

Jan 2008

Northern Islands

Generation

FireMV Multi-View

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x1

Clock Speeds

-

Base Clock

-

Boost Clock

-

1050 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

134.4GB/s

Bandwidth

8.000GB/s

Render Config

-

SM Count

-

14

Compute Units

2

1120

Shading Units

40

56

TMUs

4

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

2.000 GPixel/s

50.40 GTexel/s

Texture Rate

2.000 GTexel/s

-

FP16 (half)

-

2.016 TFLOPS

FP32 (float)

40.00 GFLOPS

-

FP64 (double)

-

Graphics Processor

Barts

GPU Name

RV620

Barts XT (215-0798000)

GPU Variant

-

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.7 billion

Transistors

0.181 billion

255 mm²

Die Size

67 mm²

Board Design

300W

TDP

15W

700 W

Suggested PSU

200 W

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

Outputs

2x DisplayPort

-

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

4.1

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