NVIDIA GeForce RTX 4070 Mobile vs AMD Radeon HD 6950M

VS

NVIDIA GeForce RTX 4070 Mobile

AMD Radeon HD 6950M

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 4070 Mobile and 1024MB VRAM Radeon HD 6950M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4070 Mobile 's Advantages

Released 12 years late

Boost Clock1695MHz

More VRAM (8GB vs 1024GB)

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

3648 additional rendering cores

AMD Radeon HD 6950M 's Advantages

Lower TDP (50W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 4070 Mobile +1302%

15.62 TFLOPS

Radeon HD 6950M

1.114 TFLOPS

GeForce RTX 4070 Mobile

VS

Radeon HD 6950M

Graphics Card

Jan 2023

Release Date

Jan 2011

GeForce 40 Mobile

Generation

Vancouver

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1395 MHz

Base Clock

-

1695 MHz

Boost Clock

-

2000 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

256bit

256.0GB/s

Bandwidth

115.2GB/s

Render Config

-

Compute Units

12

36

SM Count

-

4608

Shading Units

960

144

TMUs

48

ROPs

32

144

Tensor Cores

-

36

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

32 MB

L2 Cache

512 KB

-

Theoretical Performance

81.36 GPixel/s

Pixel Rate

18.56 GPixel/s

244.1 GTexel/s

Texture Rate

27.84 GTexel/s

15.62 TFLOPS

FP16 (half)

-

15.62 TFLOPS

FP32 (float)

1114 GFLOPS

244.1 GFLOPS

FP64 (double)

-

Board Design

115W

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

AD106

GPU Name

Blackcomb

GN21-X6

GPU Variant

Blackcomb PRO

Ada Lovelace

Architecture

TeraScale 2

TSMC

Foundry

TSMC

4 nm

Process Size

40 nm

Unknown

Transistors

1.7 billion

190 mm²

Die Size

212 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

8.9

CUDA

-

6.7

Shader Model

5.0

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