AMD Radeon HD 7850 vs Intel Arc A770

VS

AMD Radeon HD 7850

Intel Arc A770

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

Main Differences

AMD Radeon HD 7850 's Advantages

Lower TDP (130W vs 225W)

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

Score

Benchmark

FP32 (float)

Radeon HD 7850

1.761 TFLOPS

Arc A770 +1016%

19.66 TFLOPS

3DMark Time Spy

Radeon HD 7850

1312

Arc A770 +941%

13664

Radeon HD 7850

VS

Arc A770

Graphics Card

Mar 2012

Release Date

Oct 2022

Southern Islands

Generation

Alchemist(Arc 7)

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2100 MHz

-

Boost Clock

2400 MHz

1200 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

512.0GB/s

Render Config

16

Compute Units

-

1024

Shading Units

4096

64

TMUs

256

32

ROPs

128

-

Tensor Cores

512

-

RT Cores

32

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

16 MB

-

Theoretical Performance

27.52 GPixel/s

Pixel Rate

307.2 GPixel/s

55.04 GTexel/s

Texture Rate

614.4 GTexel/s

-

FP16 (half)

39.32 TFLOPS

1.761 TFLOPS

FP32 (float)

19.66 TFLOPS

110.1 GFLOPS

FP64 (double)

2.458 TFLOPS

Board Design

130W

TDP

225W

300 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.13x DisplayPort 2.0

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Pitcairn

GPU Name

DG2-512

Pitcairn PRO (215-0828062)

GPU Variant

ACM-G10

GCN 1.0

Architecture

Generation 12.7

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

2.8 billion

Transistors

21.7 billion

212 mm²

Die Size

406 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

5.1

Shader Model

6.6

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