AMD Radeon HD 6950M vs AMD Radeon RX 6800S

VS

AMD Radeon HD 6950M

AMD Radeon RX 6800S

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6950M and 8GB VRAM Radeon RX 6800S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6950M 's Advantages

Lower TDP (50W vs 100W)

AMD Radeon RX 6800S 's Advantages

Released 11 years late

Boost Clock2100MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (256.0GB/s vs 115.2GB/s)

1088 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6950M

1.114 TFLOPS

Radeon RX 6800S +672%

8.602 TFLOPS

Radeon HD 6950M

VS

Radeon RX 6800S

Graphics Card

Jan 2011

Release Date

Jan 2022

Vancouver

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1800 MHz

-

Boost Clock

2100 MHz

900 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

256.0GB/s

Render Config

12

Compute Units

32

-

960

Shading Units

2048

48

TMUs

128

32

ROPs

64

-

RT Cores

32

8 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

18.56 GPixel/s

Pixel Rate

134.4 GPixel/s

27.84 GTexel/s

Texture Rate

268.8 GTexel/s

-

FP16 (half)

17.20 TFLOPS

1114 GFLOPS

FP32 (float)

8.602 TFLOPS

-

FP64 (double)

537.6 GFLOPS

Board Design

50W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Blackcomb

GPU Name

Navi 23

Blackcomb PRO

GPU Variant

-

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

1.7 billion

Transistors

11.06 billion

212 mm²

Die Size

237 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.5

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