AMD Radeon R9 270 1024SP vs Intel Arc A770

VS

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 1024SP and 16GB VRAM Arc A770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 270 1024SP 's Advantages

Lower TDP (150W vs 225W)

Intel Arc A770 's Advantages

Released 7 years and 7 months late

Boost Clock has increased by 159% (2400MHz vs 925MHz)

More VRAM (16GB vs 2GB)

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

3072 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 270 1024SP

1.894 TFLOPS

Arc A770 +938%

19.66 TFLOPS

Radeon R9 270 1024SP

VS

Arc A770

Graphics Card

Mar 2015

Release Date

Oct 2022

Volcanic Islands

Generation

Alchemist

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

900 MHz

Base Clock

2100 MHz

925 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

-

SM Count

-

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

29.60 GPixel/s

Pixel Rate

307.2 GPixel/s

59.20 GTexel/s

Texture Rate

614.4 GTexel/s

-

FP16 (half)

39.32 TFLOPS

1.894 TFLOPS

FP32 (float)

19.66 TFLOPS

118.4 GFLOPS

FP64 (double)

-

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

Board Design

150W

TDP

225W

450 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 2.0

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

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

-

CUDA

-

5.1

Shader Model

6.6

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