ATI Radeon HD 4770 vs AMD Radeon RX 550 640SP

VS

ATI Radeon HD 4770

AMD Radeon RX 550 640SP

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4770 and 2GB VRAM Radeon RX 550 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 640SP 's Advantages

Released 8 years and 6 months late

Boost Clock1071MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (96.00GB/s vs 51.20GB/s)

Lower TDP (60W vs 80W)

Score

Benchmark

FP32 (float)

Radeon HD 4770

0.96 TFLOPS

Radeon RX 550 640SP +42%

1.371 TFLOPS

Radeon HD 4770

VS

Radeon RX 550 640SP

Graphics Card

Apr 2009

Release Date

Oct 2017

Radeon R700

Generation

Polaris

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1019 MHz

-

Boost Clock

1071 MHz

800 MHz

Memory Clock

1500 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

51.20GB/s

Bandwidth

96.00GB/s

Render Config

8

Compute Units

10

-

640

Shading Units

640

32

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

1024 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

17.14 GPixel/s

24.00 GTexel/s

Texture Rate

42.84 GTexel/s

-

FP16 (half)

1371 GFLOPS

960.0 GFLOPS

FP32 (float)

1371 GFLOPS

192.0 GFLOPS

FP64 (double)

85.68 GFLOPS

Board Design

80W

TDP

60W

250 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

1x 6-pin

Power Connectors

None

Graphics Processor

RV740

GPU Name

Baffin

RV740 XT (215-0727019)

GPU Variant

Baffin LE

TeraScale

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.826 billion

Transistors

3 billion

137 mm²

Die Size

123 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2

-

4.1

Shader Model

6.4

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