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

VS

AMD Radeon R9 295X2

AMD Radeon RX 550 640SP

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 295X2 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 R9 295X2 's Advantages

More VRAM (4GB vs 2GB)

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

2176 additional rendering cores

AMD Radeon RX 550 640SP 's Advantages

Released 3 years and 6 months late

Boost Clock1071MHz

Lower TDP (60W vs 500W)

Score

Benchmark

FP32 (float)

Radeon R9 295X2 +318%

5.733 TFLOPS

Radeon RX 550 640SP

1.371 TFLOPS

Radeon R9 295X2

VS

Radeon RX 550 640SP

Graphics Card

Apr 2014

Release Date

Oct 2017

Volcanic 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

1250 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

128bit

320.0GB/s

Bandwidth

96.00GB/s

Render Config

44

Compute Units

10

-

2816

Shading Units

640

176

TMUs

40

64

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

1024 KB

-

Theoretical Performance

65.15 GPixel/s

Pixel Rate

17.14 GPixel/s

179.2 GTexel/s

Texture Rate

42.84 GTexel/s

-

FP16 (half)

1371 GFLOPS

5.733 TFLOPS

FP32 (float)

1371 GFLOPS

716.7 GFLOPS

FP64 (double)

85.68 GFLOPS

Board Design

500W

TDP

60W

900 W

Suggested PSU

250 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

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

2x 8-pin

Power Connectors

None

Graphics Processor

Vesuvius

GPU Name

Baffin

Vesuvius XT (215-0852022)

GPU Variant

Baffin LE

GCN 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

6.2 billion

Transistors

3 billion

438 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.2

-

6.3

Shader Model

6.4

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