NVIDIA GeForce RTX 4070 Max-Q vs AMD Radeon HD 6990M

VS

NVIDIA GeForce RTX 4070 Max-Q

AMD Radeon HD 6990M

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

Main Differences

NVIDIA GeForce RTX 4070 Max-Q 's Advantages

Released 11 years and 6 months late

Boost Clock1230MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 115.2GB/s)

3488 additional rendering cores

Lower TDP (35W vs 100W)

Score

Benchmark

FP32 (float)

GeForce RTX 4070 Max Q +607%

11.34 TFLOPS

Radeon HD 6990M

1.602 TFLOPS

GeForce RTX 4070 Max Q

VS

Radeon HD 6990M

Graphics Card

Jan 2023

Release Date

Jul 2011

GeForce 40 Mobile

Generation

Vancouver

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

735 MHz

Base Clock

-

1230 MHz

Boost Clock

-

1750 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

256bit

224.0GB/s

Bandwidth

115.2GB/s

Render Config

-

Compute Units

14

36

SM Count

-

4608

Shading Units

1120

144

TMUs

56

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

59.04 GPixel/s

Pixel Rate

22.88 GPixel/s

177.1 GTexel/s

Texture Rate

40.04 GTexel/s

11.34 TFLOPS

FP16 (half)

-

11.34 TFLOPS

FP32 (float)

1.602 TFLOPS

177.1 GFLOPS

FP64 (double)

-

Board Design

35W

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

AD106

GPU Name

Blackcomb

GN21-X6

GPU Variant

Blackcomb XTX (216-0811030)

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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