ATI Radeon HD 4870 vs AMD Radeon RX 7800 XT

VS

ATI Radeon HD 4870 AMD Radeon RX 7800 XT

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 and 16GB VRAM Radeon RX 7800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 's Advantages

Lower TDP (150W vs 263W)

AMD Radeon RX 7800 XT 's Advantages

Released 15 years and 2 months late

Boost Clock2430MHz

Larger VRAM bandwidth (624.1GB/s vs 115.2GB/s)

3040 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4870

1.2 TFLOPS

Radeon RX 7800 XT +3010%

37.32 TFLOPS

Radeon HD 4870

VS

Radeon RX 7800 XT

Graphics Card

Jun 2008

Release Date

Aug 2023

Radeon R700

Generation

Navi III

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1295 MHz

-

Boost Clock

2430 MHz

900 MHz

Memory Clock

2438 MHz

Memory

512MB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

624.1GB/s

Render Config

-

SM Count

-

10

Compute Units

60

800

Shading Units

3840

40

TMUs

240

16

ROPs

96

-

Tensor Cores

-

RT Cores

60

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

4 MB

Theoretical Performance

12.00 GPixel/s

Pixel Rate

233.3 GPixel/s

30.00 GTexel/s

Texture Rate

583.2 GTexel/s

-

FP16 (half)

74.65 TFLOPS

1200 GFLOPS

FP32 (float)

37.32 TFLOPS

240.0 GFLOPS

FP64 (double)

1166 GFLOPS

Graphics Processor

RV770

GPU Name

Navi 32

RV770 XT (215-0669049)

GPU Variant

Navi 32 XT (215-180000006)

TeraScale

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

55 nm

Process Size

5 nm

0.956 billion

Transistors

28.1 billion

256 mm²

Die Size

346 mm²

Board Design

150W

TDP

263W

450 W

Suggested PSU

600 W

2x DVI 1x S-Video

Outputs

1x HDMI 2.1a 3x DisplayPort 2.1

2x 6-pin

Power Connectors

2x 8-pin

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3

OpenGL

4.6

1.1

OpenCL

2.2

N/A

Vulkan

1.3

-

CUDA

-

4.1

Shader Model

6.7

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