AMD Radeon RX 6700 vs ATI Radeon HD 4870

VS

AMD Radeon RX 6700

ATI Radeon HD 4870

We compared two Desktop platform GPUs: 10GB VRAM Radeon RX 6700 and 512MB VRAM Radeon HD 4870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6700 's Advantages

Released 13 years late

Boost Clock2450MHz

More VRAM (10GB vs 512GB)

Larger VRAM bandwidth (320.0GB/s vs 115.2GB/s)

1504 additional rendering cores

ATI Radeon HD 4870 's Advantages

Lower TDP (150W vs 175W)

Score

Benchmark

FP32 (float)

Radeon RX 6700 +840%

11.29 TFLOPS

Radeon HD 4870

1.2 TFLOPS

Radeon RX 6700

VS

Radeon HD 4870

Graphics Card

Jun 2021

Release Date

Jun 2008

Navi II

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1941 MHz

Base Clock

-

2450 MHz

Boost Clock

-

2000 MHz

Memory Clock

900 MHz

Memory

10GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

160bit

Memory Bus

256bit

320.0GB/s

Bandwidth

115.2GB/s

Render Config

36

Compute Units

10

-

2304

Shading Units

800

144

TMUs

40

64

ROPs

16

-

36

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

256 KB

80 MB

L3 Cache

-

Theoretical Performance

156.8 GPixel/s

Pixel Rate

12.00 GPixel/s

352.8 GTexel/s

Texture Rate

30.00 GTexel/s

22.58 TFLOPS

FP16 (half)

-

11.29 TFLOPS

FP32 (float)

1200 GFLOPS

705.6 GFLOPS

FP64 (double)

240.0 GFLOPS

Board Design

175W

TDP

150W

450 W

Suggested PSU

450 W

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

Outputs

2x DVI 1x S-Video

1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Navi 22

GPU Name

RV770

Navi 22 XTL

GPU Variant

RV770 XT (215-0669049)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

17.2 billion

Transistors

0.956 billion

335 mm²

Die Size

256 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

6.5

Shader Model

4.1

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