AMD Radeon RX 550 640SP vs AMD Radeon HD 6770 Green Edition

VS

AMD Radeon RX 550 640SP AMD Radeon HD 6770 Green Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 640SP and 2GB VRAM Radeon HD 6770 Green Edition 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 4 years and 6 months late

Boost Clock1071MHz

Larger VRAM bandwidth (96.00GB/s vs 21.34GB/s)

Lower TDP (60W vs 86W)

AMD Radeon HD 6770 Green Edition 's Advantages

80 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550 640SP +36%

1.371 TFLOPS

Radeon HD 6770 Green Edition

1.008 TFLOPS

Radeon RX 550 640SP

VS

Radeon HD 6770 Green Edition

Graphics Card

Oct 2017

Release Date

Apr 2013

Polaris

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1019 MHz

Base Clock

-

1071 MHz

Boost Clock

-

1500 MHz

Memory Clock

667 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

21.34GB/s

Render Config

-

SM Count

-

10

Compute Units

9

640

Shading Units

720

40

TMUs

36

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

256 KB

Theoretical Performance

17.14 GPixel/s

Pixel Rate

11.20 GPixel/s

42.84 GTexel/s

Texture Rate

25.20 GTexel/s

1371 GFLOPS

FP16 (half)

-

1371 GFLOPS

FP32 (float)

1008 GFLOPS

85.68 GFLOPS

FP64 (double)

-

Graphics Processor

Baffin

GPU Name

Juniper

Baffin LE

GPU Variant

Juniper LE (215-0754009)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

3 billion

Transistors

1.04 billion

123 mm²

Die Size

166 mm²

Board Design

60W

TDP

86W

250 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.4

Shader Model

5.0

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