ATI Radeon HD 4855 vs AMD Radeon RX 7700

VS

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4855 and 12GB VRAM Radeon RX 7700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4855 's Advantages

Lower TDP (110W vs 200W)

AMD Radeon RX 7700 's Advantages

Released 13 years late

Boost Clock2600MHz

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

2432 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4855

0.736 TFLOPS

Radeon RX 7700 +4241%

31.95 TFLOPS

Radeon HD 4855

VS

Radeon RX 7700

Graphics Card

Jan 2010

Release Date

Jan 2023

Radeon R700

Generation

Navi III

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1900 MHz

-

Boost Clock

2600 MHz

900 MHz

Memory Clock

2250 MHz

Memory

512MB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

192bit

115.2GB/s

Bandwidth

432.0GB/s

Render Config

-

SM Count

-

8

Compute Units

48

640

Shading Units

3072

32

TMUs

192

16

ROPs

96

-

Tensor Cores

-

RT Cores

48

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

Theoretical Performance

9.200 GPixel/s

Pixel Rate

249.6 GPixel/s

18.40 GTexel/s

Texture Rate

499.2 GTexel/s

-

FP16 (half)

63.90 TFLOPS

736.0 GFLOPS

FP32 (float)

31.95 TFLOPS

147.2 GFLOPS

FP64 (double)

998.4 GFLOPS

Graphics Processor

RV770

GPU Name

Navi 32

RV770 PRO (215-0669065)

GPU Variant

Navi 32

TeraScale

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

55 nm

Process Size

5 nm

0.956 billion

Transistors

Unknown

256 mm²

Die Size

346 mm²

Board Design

110W

TDP

200W

300 W

Suggested PSU

550 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

1x 6-pin

Power Connectors

1x 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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