AMD Radeon RX 7700 XT vs ATI Radeon HD 4870 Mac Edition

VS

AMD Radeon RX 7700 XT

ATI Radeon HD 4870 Mac Edition

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 7700 XT and 512MB VRAM Radeon HD 4870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7700 XT 's Advantages

Released 14 years and 7 months late

Boost Clock2544MHz

More VRAM (12GB vs 512GB)

Larger VRAM bandwidth (432.0GB/s vs 108.8GB/s)

2656 additional rendering cores

ATI Radeon HD 4870 Mac Edition 's Advantages

Lower TDP (150W vs 245W)

Score

Benchmark

FP32 (float)

Radeon RX 7700 XT +2830%

35.17 TFLOPS

Radeon HD 4870 Mac Edition

1.2 TFLOPS

Radeon RX 7700 XT

VS

Radeon HD 4870 Mac Edition

Graphics Card

Aug 2023

Release Date

Jan 2009

Navi III

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1435 MHz

Base Clock

-

2544 MHz

Boost Clock

-

2250 MHz

Memory Clock

850 MHz

Memory

12GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

256bit

432.0GB/s

Bandwidth

108.8GB/s

Render Config

54

Compute Units

10

-

3456

Shading Units

800

216

TMUs

40

96

ROPs

16

-

54

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

48 MB

L3 Cache

-

Theoretical Performance

244.2 GPixel/s

Pixel Rate

12.00 GPixel/s

549.5 GTexel/s

Texture Rate

30.00 GTexel/s

70.34 TFLOPS

FP16 (half)

-

35.17 TFLOPS

FP32 (float)

1200 GFLOPS

1099 GFLOPS

FP64 (double)

240.0 GFLOPS

Board Design

245W

TDP

150W

550 W

Suggested PSU

450 W

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

Outputs

1x DVI 1x mini-DisplayPort 1.0

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Navi 32

GPU Name

RV770

Navi 32 XL (215-180000076)

GPU Variant

RV770 XT Mac (215-0669080)

RDNA 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

55 nm

28.1 billion

Transistors

0.956 billion

346 mm²

Die Size

256 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.2

OpenCL

1.1

1.3

Vulkan

N/A

-

6.7

Shader Model

4.1

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