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

VS

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

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

Main Differences

AMD Radeon 550X 640SP 's Advantages

Released 2 years and 11 months late

Boost Clock has increased by 2% (1071MHz vs 1050MHz)

Larger VRAM bandwidth (48.00GB/s vs 32.00GB/s)

256 additional rendering cores

Lower TDP (50W vs 65W)

Score

Benchmark

FP32 (float)

Radeon 550X 640SP +70%

1.371 TFLOPS

Radeon R7 350X OEM

0.806 TFLOPS

Radeon 550X 640SP

VS

Radeon R7 350X OEM

Graphics Card

Apr 2018

Release Date

May 2015

Polaris

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1019 MHz

Base Clock

1000 MHz

1071 MHz

Boost Clock

1050 MHz

1500 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

4GB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

32.00GB/s

Render Config

-

SM Count

-

10

Compute Units

6

640

Shading Units

384

40

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

17.14 GPixel/s

Pixel Rate

8.400 GPixel/s

42.84 GTexel/s

Texture Rate

25.20 GTexel/s

1371 GFLOPS

FP16 (half)

-

1371 GFLOPS

FP32 (float)

806.4 GFLOPS

85.68 GFLOPS

FP64 (double)

50.40 GFLOPS

Graphics Processor

Lexa

GPU Name

Oland

Lexa PRO (215-0904018)

GPU Variant

Oland XT (215-0837000)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

0.95 billion

103 mm²

Die Size

77 mm²

Board Design

50W

TDP

65W

250 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

5.1

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