AMD Radeon RX 7700 vs ATI Radeon HD 4870

VS

AMD Radeon RX 7700

ATI Radeon HD 4870

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 7700 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 7700 's Advantages

Boost Clock2600MHz

More VRAM (12GB vs 512GB)

Larger VRAM bandwidth (432.0GB/s vs 115.2GB/s)

2272 additional rendering cores

ATI Radeon HD 4870 's Advantages

Lower TDP (150W vs 200W)

Score

Benchmark

FP32 (float)

Radeon RX 7700 +2562%

31.95 TFLOPS

Radeon HD 4870

1.2 TFLOPS

Radeon RX 7700

VS

Radeon HD 4870

Graphics Card

Unknown

Release Date

Jun 2008

Navi III

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1900 MHz

Base Clock

-

2600 MHz

Boost Clock

-

2250 MHz

Memory Clock

900 MHz

Memory

12GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

256bit

432.0GB/s

Bandwidth

115.2GB/s

Render Config

48

Compute Units

10

-

3072

Shading Units

800

192

TMUs

40

96

ROPs

16

-

48

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

64 MB

L3 Cache

-

Theoretical Performance

249.6 GPixel/s

Pixel Rate

12.00 GPixel/s

499.2 GTexel/s

Texture Rate

30.00 GTexel/s

63.90 TFLOPS

FP16 (half)

-

31.95 TFLOPS

FP32 (float)

1200 GFLOPS

998.4 GFLOPS

FP64 (double)

240.0 GFLOPS

Board Design

200W

TDP

150W

550 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x S-Video

1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Navi 32

GPU Name

RV770

Navi 32

GPU Variant

RV770 XT (215-0669049)

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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