AMD Radeon HD 6990M vs NVIDIA GeForce RTX 4070 Mobile

VS

AMD Radeon HD 6990M NVIDIA GeForce RTX 4070 Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 8GB VRAM GeForce RTX 4070 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M 's Advantages

Lower TDP (100W vs 115W)

NVIDIA GeForce RTX 4070 Mobile 's Advantages

Released 11 years and 6 months late

Boost Clock1695MHz

More VRAM (8GB vs 2GB)

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

3488 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6990M

1.602 TFLOPS

GeForce RTX 4070 Mobile +875%

15.62 TFLOPS

Radeon HD 6990M

VS

GeForce RTX 4070 Mobile

Graphics Card

Jul 2011

Release Date

Jan 2023

Vancouver

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1395 MHz

-

Boost Clock

1695 MHz

900 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

256.0GB/s

Render Config

-

SM Count

36

14

Compute Units

-

1120

Shading Units

4608

56

TMUs

144

32

ROPs

48

-

Tensor Cores

144

-

RT Cores

36

8 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

32 MB

Theoretical Performance

22.88 GPixel/s

Pixel Rate

81.36 GPixel/s

40.04 GTexel/s

Texture Rate

244.1 GTexel/s

-

FP16 (half)

15.62 TFLOPS

1.602 TFLOPS

FP32 (float)

15.62 TFLOPS

-

FP64 (double)

244.1 GFLOPS

Graphics Processor

Blackcomb

GPU Name

AD106

Blackcomb XTX (216-0811030)

GPU Variant

GN21-X6

TeraScale 2

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

40 nm

Process Size

4 nm

1.7 billion

Transistors

Unknown

212 mm²

Die Size

190 mm²

Board Design

100W

TDP

115W

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.9

5.0

Shader Model

6.7

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