AMD Radeon HD 6850 X2 vs Intel Arc A770

VS

AMD Radeon HD 6850 X2

Intel Arc A770

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 16GB VRAM Arc A770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc A770 's Advantages

Released 11 years and 1 months late

Boost Clock2400MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 134.4GB/s)

3136 additional rendering cores

Lower TDP (225W vs 254W)

Score

Benchmark

FP32 (float)

Radeon HD 6850 X2

1.536 TFLOPS

Arc A770 +1179%

19.66 TFLOPS

Radeon HD 6850 X2

VS

Arc A770

Graphics Card

Sep 2011

Release Date

Oct 2022

Northern Islands

Generation

Alchemist(Arc 7)

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2100 MHz

-

Boost Clock

2400 MHz

1050 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

512.0GB/s

Render Config

12

Compute Units

-

960

Shading Units

4096

48

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

25.60 GPixel/s

Pixel Rate

307.2 GPixel/s

38.40 GTexel/s

Texture Rate

614.4 GTexel/s

-

FP16 (half)

39.32 TFLOPS

1.536 TFLOPS

FP32 (float)

19.66 TFLOPS

-

FP64 (double)

2.458 TFLOPS

Board Design

254W

TDP

225W

600 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.13x DisplayPort 2.0

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Barts

GPU Name

DG2-512

Barts PRO (215-0798006)

GPU Variant

ACM-G10

TeraScale 2

Architecture

Generation 12.7

TSMC

Foundry

TSMC

40 nm

Process Size

6 nm

1.7 billion

Transistors

21.7 billion

255 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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