AMD Radeon R7 350 640SP vs AMD Radeon 550X 640SP

VS

AMD Radeon R7 350 640SP

AMD Radeon 550X 640SP

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 350 640SP and 4GB VRAM Radeon 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 350 640SP 's Advantages

Released 9 months late

Larger VRAM bandwidth (72.00GB/s vs 48.00GB/s)

AMD Radeon 550X 640SP 's Advantages

Boost Clock1071MHz

More VRAM (4GB vs 2GB)

Lower TDP (50W vs 55W)

Score

Benchmark

FP32 (float)

Radeon R7 350 640SP

1.184 TFLOPS

Radeon 550X 640SP +15%

1.371 TFLOPS

Radeon R7 350 640SP

VS

Radeon 550X 640SP

Graphics Card

Jan 2019

Release Date

Apr 2018

Pirate Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1019 MHz

-

Boost Clock

1071 MHz

1125 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

72.00GB/s

Bandwidth

48.00GB/s

Render Config

10

Compute Units

10

-

640

Shading Units

640

40

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

14.80 GPixel/s

Pixel Rate

17.14 GPixel/s

37.00 GTexel/s

Texture Rate

42.84 GTexel/s

-

FP16 (half)

1371 GFLOPS

1184 GFLOPS

FP32 (float)

1371 GFLOPS

74.00 GFLOPS

FP64 (double)

85.68 GFLOPS

Board Design

55W

TDP

50W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

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

None

Power Connectors

None

Graphics Processor

Cape Verde

GPU Name

Lexa

Cape Verde XT

GPU Variant

Lexa PRO (215-0904018)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.5 billion

Transistors

2.2 billion

123 mm²

Die Size

103 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.4

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