AMD Radeon RX 550X 640SP vs AMD Radeon R9 295X2

VS

AMD Radeon RX 550X 640SP

AMD Radeon R9 295X2

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550X 640SP and 4GB VRAM Radeon R9 295X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550X 640SP 's Advantages

Released 4 years late

Boost Clock1071MHz

Lower TDP (60W vs 500W)

AMD Radeon R9 295X2 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (320.0GB/s vs 96.00GB/s)

2176 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550X 640SP

1.371 TFLOPS

Radeon R9 295X2 +318%

5.733 TFLOPS

Radeon RX 550X 640SP

VS

Radeon R9 295X2

Graphics Card

Apr 2018

Release Date

Apr 2014

Polaris

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1019 MHz

Base Clock

-

1071 MHz

Boost Clock

-

1500 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

512bit

96.00GB/s

Bandwidth

320.0GB/s

Render Config

10

Compute Units

44

-

640

Shading Units

2816

40

TMUs

176

16

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

1024 KB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

65.15 GPixel/s

42.84 GTexel/s

Texture Rate

179.2 GTexel/s

1371 GFLOPS

FP16 (half)

-

1371 GFLOPS

FP32 (float)

5.733 TFLOPS

85.68 GFLOPS

FP64 (double)

716.7 GFLOPS

Board Design

60W

TDP

500W

250 W

Suggested PSU

900 W

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

Outputs

1x DVI 4x mini-DisplayPort 1.2

None

Power Connectors

2x 8-pin

Graphics Processor

Baffin

GPU Name

Vesuvius

Baffin LE

GPU Variant

Vesuvius XT (215-0852022)

GCN 4.0

Architecture

GCN 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

6.2 billion

123 mm²

Die Size

438 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

6.4

Shader Model

6.3

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