AMD Radeon HD 6990M Rebrand vs AMD Radeon RX 6700M

VS

AMD Radeon HD 6990M Rebrand

AMD Radeon RX 6700M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 10GB VRAM Radeon RX 6700M 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 135W)

AMD Radeon RX 6700M 's Advantages

Released 9 years and 10 months late

Boost Clock2400MHz

More VRAM (10GB vs 1024GB)

Larger VRAM bandwidth (320.0GB/s vs 70.40GB/s)

1504 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand

1.28 TFLOPS

Radeon RX 6700M +764%

11.06 TFLOPS

Radeon HD 6990M Rebrand

VS

Radeon RX 6700M

Graphics Card

Jul 2011

Release Date

May 2021

Vancouver

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1489 MHz

-

Boost Clock

2400 MHz

1100 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

10GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

160bit

70.40GB/s

Bandwidth

320.0GB/s

Render Config

14

Compute Units

36

-

800

Shading Units

2304

40

TMUs

144

16

ROPs

64

-

RT Cores

36

8 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

3 MB

-

L3 Cache

80 MB

Theoretical Performance

12.80 GPixel/s

Pixel Rate

153.6 GPixel/s

32.00 GTexel/s

Texture Rate

345.6 GTexel/s

-

FP16 (half)

22.12 TFLOPS

1280 GFLOPS

FP32 (float)

11.06 TFLOPS

-

FP64 (double)

691.2 GFLOPS

Board Design

100W

TDP

135W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Broadway

GPU Name

Navi 22

Broadway XTX

GPU Variant

Navi 22

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

1.04 billion

Transistors

17.2 billion

166 mm²

Die Size

335 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.5

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