AMD Radeon HD 6870 X2 vs Intel Xe DG1

VS

AMD Radeon HD 6870 X2

Intel Xe DG1

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 4GB VRAM Xe DG1 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 68.26GB/s)

480 additional rendering cores

Intel Xe DG1 's Advantages

Boost Clock1550MHz

More VRAM (4GB vs 1024GB)

Lower TDP (30W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2 +1%

2.016 TFLOPS

Xe DG1

1.984 TFLOPS

Radeon HD 6870 X2

VS

Xe DG1

Graphics Card

Jul 2011

Release Date

Unknown

Northern Islands

Generation

Xe Graphics

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

1550 MHz

1050 MHz

Memory Clock

2133 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

LPDDR4X

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

68.26GB/s

Render Config

14

Compute Units

-

1120

Shading Units

640

56

TMUs

40

32

ROPs

20

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

28.80 GPixel/s

Pixel Rate

31.00 GPixel/s

50.40 GTexel/s

Texture Rate

62.00 GTexel/s

-

FP16 (half)

3.968 TFLOPS

2.016 TFLOPS

FP32 (float)

1.984 TFLOPS

-

FP64 (double)

496.0 GFLOPS

Board Design

300W

TDP

30W

700 W

Suggested PSU

200 W

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

Outputs

1x HDMI 3x DisplayPort

-

Power Connectors

None

Graphics Processor

Barts

GPU Name

DG1

Barts XT (215-0798000)

GPU Variant

-

TeraScale 2

Architecture

Generation 12.1

TSMC

Foundry

Intel

40 nm

Process Size

10 nm

1.7 billion

Transistors

Unknown

255 mm²

Die Size

95 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

-

5.0

Shader Model

6.4

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