AMD Radeon RX 640 Mobile vs AMD Radeon E8950

VS

AMD Radeon RX 640 Mobile AMD Radeon E8950

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 8GB VRAM Radeon E8950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 640 Mobile 's Advantages

Released 3 years and 8 months late

Boost Clock has increased by 22% (1218MHz vs 1000MHz)

Lower TDP (50W vs 95W)

AMD Radeon E8950 's Advantages

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (192.0GB/s vs 48.00GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 640 Mobile

1.559 TFLOPS

Radeon E8950 +162%

4.096 TFLOPS

Radeon RX 640 Mobile

VS

Radeon E8950

Graphics Card

May 2019

Release Date

Sep 2015

Mobility Radeon

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

1082 MHz

Base Clock

735 MHz

1218 MHz

Boost Clock

1000 MHz

1500 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

48.00GB/s

Bandwidth

192.0GB/s

Render Config

-

SM Count

-

10

Compute Units

32

640

Shading Units

2048

40

TMUs

128

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

19.49 GPixel/s

Pixel Rate

32.00 GPixel/s

48.72 GTexel/s

Texture Rate

128.0 GTexel/s

1.559 TFLOPS

FP16 (half)

4.096 TFLOPS

1.559 TFLOPS

FP32 (float)

4.096 TFLOPS

97.44 GFLOPS

FP64 (double)

256.0 GFLOPS

Graphics Processor

Polaris 23

GPU Name

Amethyst

Polaris 23 XT

GPU Variant

E8950

GCN 4.0

Architecture

GCN 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

5 billion

103 mm²

Die Size

366 mm²

Board Design

50W

TDP

95W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

6.3

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