AMD Radeon HD 6870 1600SP Edition vs Intel Arc A780

VS

AMD Radeon HD 6870 1600SP Edition

Intel Arc A780

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 1600SP Edition and 16GB VRAM Arc A780 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 1600SP Edition 's Advantages

Lower TDP (175W vs 200W)

Intel Arc A780 's Advantages

Boost Clock2200MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (559.6GB/s vs 134.4GB/s)

2496 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6870 1600SP Edition

2.72 TFLOPS

Arc A780 +562%

18.02 TFLOPS

Radeon HD 6870 1600SP Edition

VS

Arc A780

Graphics Card

Jan 2013

Release Date

Unknown

Northern Islands

Generation

Alchemist(Arc 7)

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2200 MHz

-

Boost Clock

2200 MHz

1050 MHz

Memory Clock

1093 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

GDDR6X

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

559.6GB/s

Render Config

20

Compute Units

-

1600

Shading Units

4096

80

TMUs

256

32

ROPs

128

-

Tensor Cores

512

-

RT Cores

32

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

16 MB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

281.6 GPixel/s

68.00 GTexel/s

Texture Rate

563.2 GTexel/s

-

FP16 (half)

36.04 TFLOPS

2.720 TFLOPS

FP32 (float)

18.02 TFLOPS

544.0 GFLOPS

FP64 (double)

2.253 TFLOPS

Board Design

175W

TDP

200W

450 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.13x DisplayPort 2.0

2x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Cypress

GPU Name

DG2-512

Cypress XT (215-0735033)

GPU Variant

ACM-G10

TeraScale 2

Architecture

Generation 12.7

TSMC

Foundry

TSMC

40 nm

Process Size

6 nm

2.154 billion

Transistors

21.7 billion

334 mm²

Die Size

406 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

5.0

Shader Model

6.6

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