AMD Radeon RX 640 Mobile vs NVIDIA GeForce 8800M GTX

VS

AMD Radeon RX 640 Mobile

NVIDIA GeForce 8800M GTX

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 512MB VRAM GeForce 8800M GTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 640 Mobile 's Advantages

Released 11 years and 6 months late

Boost Clock1218MHz

More VRAM (2GB vs 512GB)

544 additional rendering cores

Lower TDP (50W vs 65W)

NVIDIA GeForce 8800M GTX 's Advantages

Larger VRAM bandwidth (51.20GB/s vs 48.00GB/s)

Score

Benchmark

FP32 (float)

Radeon RX 640 Mobile +549%

1.559 TFLOPS

GeForce 8800M GTX

0.24 TFLOPS

Radeon RX 640 Mobile

VS

GeForce 8800M GTX

Graphics Card

May 2019

Release Date

Nov 2007

Mobility Radeon

Generation

GeForce 8M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-HE

Clock Speeds

1082 MHz

Base Clock

-

1218 MHz

Boost Clock

-

1500 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

256bit

48.00GB/s

Bandwidth

51.20GB/s

Render Config

10

Compute Units

-

SM Count

12

640

Shading Units

96

40

TMUs

48

16

ROPs

16

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

19.49 GPixel/s

Pixel Rate

8.000 GPixel/s

48.72 GTexel/s

Texture Rate

24.00 GTexel/s

1.559 TFLOPS

FP16 (half)

-

1.559 TFLOPS

FP32 (float)

240.0 GFLOPS

97.44 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

65W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Polaris 23

GPU Name

G92

Polaris 23 XT

GPU Variant

NB8E-GTX-A2

GCN 4.0

Architecture

Tesla

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

65 nm

2.2 billion

Transistors

0.754 billion

103 mm²

Die Size

324 mm²

Graphics Features

12 (12_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.1

6.4

Shader Model

4.0

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