AMD Radeon HD 6990M Rebrand vs NVIDIA GeForce RTX 3070 Mobile

VS

AMD Radeon HD 6990M Rebrand

NVIDIA GeForce RTX 3070 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 8GB VRAM GeForce RTX 3070 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M Rebrand 's Advantages

Lower TDP (100W vs 115W)

NVIDIA GeForce RTX 3070 Mobile 's Advantages

Released 9 years and 6 months late

Boost Clock1560MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (448.0GB/s vs 70.40GB/s)

4320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand

1.28 TFLOPS

GeForce RTX 3070 Mobile +1147%

15.97 TFLOPS

Radeon HD 6990M Rebrand

VS

GeForce RTX 3070 Mobile

Graphics Card

Jul 2011

Release Date

Jan 2021

Vancouver

Generation

GeForce 30 Mobile

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1110 MHz

-

Boost Clock

1560 MHz

1100 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

70.40GB/s

Bandwidth

448.0GB/s

Render Config

14

Compute Units

-

SM Count

40

800

Shading Units

5120

40

TMUs

160

16

ROPs

80

-

Tensor Cores

160

-

RT Cores

40

8 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

4 MB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

124.8 GPixel/s

32.00 GTexel/s

Texture Rate

249.6 GTexel/s

-

FP16 (half)

15.97 TFLOPS

1280 GFLOPS

FP32 (float)

15.97 TFLOPS

-

FP64 (double)

249.6 GFLOPS

Board Design

100W

TDP

115W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Broadway

GPU Name

GA104

Broadway XTX

GPU Variant

GA104-770-A1

TeraScale 2

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

1.04 billion

Transistors

17.4 billion

166 mm²

Die Size

392 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

8.6

5.0

Shader Model

6.6

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