AMD Radeon HD 6950M vs AMD Radeon Pro 455

VS

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6950M and 2GB VRAM Radeon Pro 455 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6950M 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 81.28GB/s)

192 additional rendering cores

AMD Radeon Pro 455 's Advantages

Released 5 years and 9 months late

More VRAM (2GB vs 1GB)

Lower TDP (35W vs 50W)

Score

Benchmark

FP32 (float)

Radeon HD 6950M

1.114 TFLOPS

Radeon Pro 455 +17%

1.313 TFLOPS

Radeon HD 6950M

VS

Radeon Pro 455

Graphics Card

Jan 2011

Release Date

Oct 2016

Vancouver

Generation

Radeon Pro Mac

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

1270 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

81.28GB/s

Render Config

-

SM Count

-

12

Compute Units

12

960

Shading Units

768

48

TMUs

48

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

Theoretical Performance

18.56 GPixel/s

Pixel Rate

13.68 GPixel/s

27.84 GTexel/s

Texture Rate

41.04 GTexel/s

-

FP16 (half)

1313 GFLOPS

1114 GFLOPS

FP32 (float)

1313 GFLOPS

-

FP64 (double)

82.08 GFLOPS

Graphics Processor

Blackcomb

GPU Name

Baffin

Blackcomb PRO

GPU Variant

Baffin PRO

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.7 billion

Transistors

3 billion

212 mm²

Die Size

123 mm²

Board Design

50W

TDP

35W

-

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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