AMD Radeon RX 7900M vs AMD Radeon E6460

VS

We compared two Mobile platform GPUs: 16GB VRAM Radeon RX 7900M and 512MB VRAM Radeon E6460 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900M 's Advantages

Released 12 years and 6 months late

Boost Clock2090MHz

Larger VRAM bandwidth (576.0GB/s vs 25.60GB/s)

4448 additional rendering cores

AMD Radeon E6460 's Advantages

Lower TDP (25W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7900M +19962%

38.52 TFLOPS

Radeon E6460

0.192 TFLOPS

Radeon RX 7900M

VS

Radeon E6460

Graphics Card

Oct 2023

Release Date

Apr 2011

Navi Mobile

Generation

Embedded

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2090 MHz

Boost Clock

-

2250 MHz

Memory Clock

800 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

64bit

576.0GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

72

Compute Units

2

4608

Shading Units

160

288

TMUs

8

192

ROPs

4

-

Tensor Cores

-

72

RT Cores

-

256 KB per Array

L1 Cache

8 KB (per CU)

6 MB

L2 Cache

128 KB

Theoretical Performance

401.3 GPixel/s

Pixel Rate

2.400 GPixel/s

601.9 GTexel/s

Texture Rate

4.800 GTexel/s

77.05 TFLOPS

FP16 (half)

-

38.52 TFLOPS

FP32 (float)

192.0 GFLOPS

1204 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 31

GPU Name

Caicos

Navi 31

GPU Variant

E6460

RDNA 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

57.7 billion

Transistors

0.37 billion

529 mm²

Die Size

67 mm²

Board Design

180W

TDP

25W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

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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