AMD Radeon HD 7870M vs AMD Radeon Pro 575

VS

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7870M and 4GB VRAM Radeon Pro 575 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870M 's Advantages

Lower TDP (45W vs 150W)

AMD Radeon Pro 575 's Advantages

Released 5 years and 2 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (217.0GB/s vs 64.00GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7870M

1.024 TFLOPS

Radeon Pro 575 +338%

4.489 TFLOPS

Radeon HD 7870M

VS

Radeon Pro 575

Graphics Card

Apr 2012

Release Date

Jun 2017

London

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1000 MHz

Memory Clock

1695 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

217.0GB/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)

256 KB

L2 Cache

2 MB

Theoretical Performance

12.80 GPixel/s

Pixel Rate

35.07 GPixel/s

32.00 GTexel/s

Texture Rate

140.3 GTexel/s

-

FP16 (half)

4.489 TFLOPS

1024 GFLOPS

FP32 (float)

4.489 TFLOPS

64.00 GFLOPS

FP64 (double)

280.6 GFLOPS

Graphics Processor

Heathrow

GPU Name

Polaris 20

Heathrow XT (216-0835033)

GPU Variant

Polaris 20 XL (215-0910052)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.5 billion

Transistors

5.7 billion

123 mm²

Die Size

232 mm²

Board Design

45W

TDP

150W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

5.1

Shader Model

6.4

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