AMD Radeon RX 7800 XT vs ATI Radeon HD 4870 X2

VS

AMD Radeon RX 7800 XT ATI Radeon HD 4870 X2

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 XT and 1024MB VRAM Radeon HD 4870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800 XT 's Advantages

Released 15 years late

Boost Clock2430MHz

More VRAM (16GB vs 1GB)

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

3040 additional rendering cores

Lower TDP (263W vs 286W)

Score

Benchmark

FP32 (float)

Radeon RX 7800 XT +3010%

37.32 TFLOPS

Radeon HD 4870 X2

1.2 TFLOPS

Radeon RX 7800 XT

VS

Radeon HD 4870 X2

Graphics Card

Aug 2023

Release Date

Aug 2008

Navi III

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1295 MHz

Base Clock

-

2430 MHz

Boost Clock

-

2438 MHz

Memory Clock

900 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

624.1GB/s

Bandwidth

115.2GB/s

Render Config

-

SM Count

-

60

Compute Units

10

3840

Shading Units

800

240

TMUs

40

96

ROPs

16

-

Tensor Cores

-

60

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

Theoretical Performance

233.3 GPixel/s

Pixel Rate

12.00 GPixel/s

583.2 GTexel/s

Texture Rate

30.00 GTexel/s

74.65 TFLOPS

FP16 (half)

-

37.32 TFLOPS

FP32 (float)

1200 GFLOPS

1166 GFLOPS

FP64 (double)

240.0 GFLOPS

Graphics Processor

Navi 32

GPU Name

R700

Navi 32 XT (215-180000006)

GPU Variant

R700 XT (215-0669045)

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

Board Design

263W

TDP

286W

600 W

Suggested PSU

600 W

1x HDMI 2.1a 3x DisplayPort 2.1

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

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

-

CUDA

-

6.7

Shader Model

4.1

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