AMD Radeon RX 580X vs AMD Radeon R7 350 640SP

VS

AMD Radeon RX 580X AMD Radeon R7 350 640SP

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580X and 2GB VRAM Radeon R7 350 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580X 's Advantages

Boost Clock1340MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 72.00GB/s)

1664 additional rendering cores

AMD Radeon R7 350 640SP 's Advantages

Released 9 months late

Lower TDP (55W vs 185W)

Score

Benchmark

FP32 (float)

Radeon RX 580X +421%

6.175 TFLOPS

Radeon R7 350 640SP

1.184 TFLOPS

Radeon RX 580X

VS

Radeon R7 350 640SP

Graphics Card

Apr 2018

Release Date

Jan 2019

Polaris

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1257 MHz

Base Clock

-

1340 MHz

Boost Clock

-

2000 MHz

Memory Clock

1125 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

256.0GB/s

Bandwidth

72.00GB/s

Render Config

-

SM Count

-

36

Compute Units

10

2304

Shading Units

640

144

TMUs

40

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

Theoretical Performance

42.88 GPixel/s

Pixel Rate

14.80 GPixel/s

193.0 GTexel/s

Texture Rate

37.00 GTexel/s

6.175 TFLOPS

FP16 (half)

-

6.175 TFLOPS

FP32 (float)

1184 GFLOPS

385.9 GFLOPS

FP64 (double)

74.00 GFLOPS

Graphics Processor

Polaris 20

GPU Name

Cape Verde

Polaris 20 XTX (215-0910038)

GPU Variant

Cape Verde XT

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

1.5 billion

232 mm²

Die Size

123 mm²

Board Design

185W

TDP

55W

450 W

Suggested PSU

250 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

1x 8-pin

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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