Intel Arc A770 vs AMD Radeon HD 7850

VS

Intel Arc A770

AMD Radeon HD 7850

We compared two Desktop platform GPUs: 16GB VRAM Arc A770 and 2GB VRAM Radeon HD 7850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc A770 's Advantages

Released 10 years and 7 months late

Boost Clock2400MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 153.6GB/s)

3072 additional rendering cores

AMD Radeon HD 7850 's Advantages

Lower TDP (130W vs 225W)

Score

Benchmark

FP32 (float)

Arc A770 +1016%

19.66 TFLOPS

Radeon HD 7850

1.761 TFLOPS

3DMark Time Spy

Arc A770 +941%

13664

Radeon HD 7850

1312

Arc A770

VS

Radeon HD 7850

Graphics Card

Oct 2022

Release Date

Mar 2012

Alchemist(Arc 7)

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2100 MHz

Base Clock

-

2400 MHz

Boost Clock

-

2000 MHz

Memory Clock

1200 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

16

-

4096

Shading Units

1024

256

TMUs

64

128

ROPs

32

512

Tensor Cores

-

32

RT Cores

-

L1 Cache

16 KB (per CU)

16 MB

L2 Cache

512 KB

-

Theoretical Performance

307.2 GPixel/s

Pixel Rate

27.52 GPixel/s

614.4 GTexel/s

Texture Rate

55.04 GTexel/s

39.32 TFLOPS

FP16 (half)

-

19.66 TFLOPS

FP32 (float)

1.761 TFLOPS

2.458 TFLOPS

FP64 (double)

110.1 GFLOPS

Board Design

225W

TDP

130W

550 W

Suggested PSU

300 W

1x HDMI 2.13x DisplayPort 2.0

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

DG2-512

GPU Name

Pitcairn

ACM-G10

GPU Variant

Pitcairn PRO (215-0828062)

Generation 12.7

Architecture

GCN 1.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

21.7 billion

Transistors

2.8 billion

406 mm²

Die Size

212 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

-

6.6

Shader Model

5.1

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