AMD Radeon HD 6990M Rebrand vs AMD Radeon Pro W6600M

VS

AMD Radeon HD 6990M Rebrand

AMD Radeon Pro W6600M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 8GB VRAM Radeon Pro W6600M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6600M 's Advantages

Released 9 years and 11 months late

Boost Clock2034MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (224.0GB/s vs 70.40GB/s)

992 additional rendering cores

Lower TDP (90W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand

1.28 TFLOPS

Radeon Pro W6600M +469%

7.29 TFLOPS

Radeon HD 6990M Rebrand

VS

Radeon Pro W6600M

Graphics Card

Jul 2011

Release Date

Jun 2021

Vancouver

Generation

Radeon Pro Mobile

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1224 MHz

-

Boost Clock

2034 MHz

1100 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

128bit

70.40GB/s

Bandwidth

224.0GB/s

Render Config

14

Compute Units

28

-

SM Count

66

800

Shading Units

1792

40

TMUs

112

16

ROPs

64

-

Tensor Cores

264

-

RT Cores

28

8 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

12.80 GPixel/s

Pixel Rate

130.2 GPixel/s

32.00 GTexel/s

Texture Rate

227.8 GTexel/s

-

FP16 (half)

14.58 TFLOPS

1280 GFLOPS

FP32 (float)

7.290 TFLOPS

-

FP64 (double)

455.6 GFLOPS

Board Design

100W

TDP

90W

-

Suggested PSU

600 W

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Broadway

GPU Name

Navi 23

Broadway XTX

GPU Variant

Navi 23 WKS-XM

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

1.04 billion

Transistors

11.06 billion

166 mm²

Die Size

237 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

-

CUDA

8.9

5.0

Shader Model

6.7

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