AMD Radeon HD 6970M Rebrand vs AMD Radeon Pro 555X

VS

AMD Radeon HD 6970M Rebrand AMD Radeon Pro 555X

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6970M Rebrand and 4GB VRAM Radeon Pro 555X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970M Rebrand 's Advantages

32 additional rendering cores

AMD Radeon Pro 555X 's Advantages

Released 7 years and 6 months late

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (94.08GB/s vs 64.00GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6970M Rebrand

1.28 TFLOPS

Radeon Pro 555X +8%

1.393 TFLOPS

Radeon HD 6970M Rebrand

VS

Radeon Pro 555X

Graphics Card

Jan 2011

Release Date

Jul 2018

Vancouver

Generation

Radeon Pro Mac

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

-

Boost Clock

-

1000 MHz

Memory Clock

1470 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

94.08GB/s

Render Config

-

SM Count

-

10

Compute Units

12

800

Shading Units

768

40

TMUs

48

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

Theoretical Performance

12.80 GPixel/s

Pixel Rate

14.51 GPixel/s

32.00 GTexel/s

Texture Rate

43.54 GTexel/s

-

FP16 (half)

1393 GFLOPS

1280 GFLOPS

FP32 (float)

1393 GFLOPS

-

FP64 (double)

87.07 GFLOPS

Graphics Processor

Broadway

GPU Name

Polaris 21

Broadway XT

GPU Variant

Polaris 21 PRO

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.04 billion

Transistors

3 billion

166 mm²

Die Size

123 mm²

Board Design

75W

TDP

75W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

6.4

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