AMD Radeon HD 6990M vs NVIDIA RTX 4000 Mobile Ada Generation

VS

AMD Radeon HD 6990M

NVIDIA RTX 4000 Mobile Ada Generation

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 12GB VRAM RTX 4000 Mobile Ada Generation 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 110W)

NVIDIA RTX 4000 Mobile Ada Generation 's Advantages

Released 11 years and 8 months late

Boost Clock1665MHz

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (432.0GB/s vs 115.2GB/s)

6304 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6990M

1.602 TFLOPS

RTX 4000 Mobile Ada Generation +1443%

24.72 TFLOPS

Radeon HD 6990M

VS

RTX 4000 Mobile Ada Generation

Graphics Card

Jul 2011

Release Date

Mar 2023

Vancouver

Generation

Quadro Ada-M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1290 MHz

-

Boost Clock

1665 MHz

900 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

192bit

115.2GB/s

Bandwidth

432.0GB/s

Render Config

14

Compute Units

-

SM Count

58

1120

Shading Units

7424

56

TMUs

232

32

ROPs

80

-

Tensor Cores

232

-

RT Cores

58

8 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

48 MB

-

Theoretical Performance

22.88 GPixel/s

Pixel Rate

133.2 GPixel/s

40.04 GTexel/s

Texture Rate

386.3 GTexel/s

-

FP16 (half)

24.72 TFLOPS

1.602 TFLOPS

FP32 (float)

24.72 TFLOPS

-

FP64 (double)

386.3 GFLOPS

Board Design

100W

TDP

110W

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Blackcomb

GPU Name

AD104

Blackcomb XTX (216-0811030)

GPU Variant

-

TeraScale 2

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

1.7 billion

Transistors

35.8 billion

212 mm²

Die Size

294 mm²

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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