AMD Radeon HD 7870 XT vs Intel Arc A380

VS

AMD Radeon HD 7870 XT

Intel Arc A380

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT and 6GB VRAM Arc A380 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 XT 's Advantages

Larger VRAM bandwidth (192.0GB/s vs 186.0GB/s)

512 additional rendering cores

Intel Arc A380 's Advantages

Released 9 years and 7 months late

Boost Clock has increased by 110% (2050MHz vs 975MHz)

More VRAM (6GB vs 2GB)

Lower TDP (75W vs 185W)

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT

2.995 TFLOPS

Arc A380 +40%

4.198 TFLOPS

Radeon HD 7870 XT

VS

Arc A380

Graphics Card

Nov 2012

Release Date

Jun 2022

Southern Islands

Generation

Alchemist(Arc 3)

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

925 MHz

Base Clock

2000 MHz

975 MHz

Boost Clock

2050 MHz

1500 MHz

Memory Clock

1937 MHz

Memory

2GB

Memory Size

6GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

96bit

192.0GB/s

Bandwidth

186.0GB/s

Render Config

24

Compute Units

-

1536

Shading Units

1024

96

TMUs

64

32

ROPs

32

-

Tensor Cores

128

-

RT Cores

8

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

4 MB

-

Theoretical Performance

31.20 GPixel/s

Pixel Rate

65.60 GPixel/s

93.60 GTexel/s

Texture Rate

131.2 GTexel/s

-

FP16 (half)

8.397 TFLOPS

2.995 TFLOPS

FP32 (float)

4.198 TFLOPS

748.8 GFLOPS

FP64 (double)

1050 GFLOPS

Board Design

185W

TDP

75W

450 W

Suggested PSU

250 W

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

Outputs

1x HDMI 2.13x DisplayPort 2.0

2x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Tahiti

GPU Name

DG2-128

Tahiti LE (215-0821122)

GPU Variant

ACM-G11

GCN 1.0

Architecture

Generation 12.7

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

4.313 billion

Transistors

7.2 billion

352 mm²

Die Size

157 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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