AMD Radeon RX 7600M XT vs AMD Radeon HD 6990M

VS

AMD Radeon RX 7600M XT AMD Radeon HD 6990M

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 7600M XT and 2GB VRAM Radeon HD 6990M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7600M XT 's Advantages

Released 11 years and 6 months late

Boost Clock2469MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (288.0GB/s vs 115.2GB/s)

928 additional rendering cores

AMD Radeon HD 6990M 's Advantages

Lower TDP (100W vs 120W)

Score

Benchmark

FP32 (float)

Radeon RX 7600M XT +1162%

20.23 TFLOPS

Radeon HD 6990M

1.602 TFLOPS

Radeon RX 7600M XT

VS

Radeon HD 6990M

Graphics Card

Jan 2023

Release Date

Jul 2011

Navi Mobile

Generation

Vancouver

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1280 MHz

Base Clock

-

2469 MHz

Boost Clock

-

2250 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

256bit

288.0GB/s

Bandwidth

115.2GB/s

Render Config

-

SM Count

-

32

Compute Units

14

2048

Shading Units

1120

128

TMUs

56

64

ROPs

32

-

Tensor Cores

-

32

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

158.0 GPixel/s

Pixel Rate

22.88 GPixel/s

316.0 GTexel/s

Texture Rate

40.04 GTexel/s

40.45 TFLOPS

FP16 (half)

-

20.23 TFLOPS

FP32 (float)

1.602 TFLOPS

632.1 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 33

GPU Name

Blackcomb

Navi 33 XTM

GPU Variant

Blackcomb XTX (216-0811030)

RDNA 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

6 nm

Process Size

40 nm

13.3 billion

Transistors

1.7 billion

204 mm²

Die Size

212 mm²

Board Design

120W

TDP

100W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.2

OpenCL

1.2

1.3

Vulkan

N/A

-

CUDA

-

6.7

Shader Model

5.0

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