ATI Mobility Radeon HD 2600 XT vs NVIDIA GeForce 845M

VS

ATI Mobility Radeon HD 2600 XT

NVIDIA GeForce 845M

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 2600 XT and 2GB VRAM GeForce 845M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 845M 's Advantages

Released 8 years and 3 months late

Boost Clock1176MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (40.10GB/s vs 24.00GB/s)

264 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 2600 XT

0.163 TFLOPS

GeForce 845M +453%

0.903 TFLOPS

Mobility Radeon HD 2600 XT

VS

GeForce 845M

Graphics Card

May 2007

Release Date

Aug 2015

M7x

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1071 MHz

-

Boost Clock

1176 MHz

750 MHz

Memory Clock

1253 MHz

Memory

256MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

24.00GB/s

Bandwidth

40.10GB/s

Render Config

3

Compute Units

-

120

Shading Units

384

8

TMUs

32

4

ROPs

16

-

L1 Cache

64 KB (per SMM)

64 KB

L2 Cache

1024 KB

-

Theoretical Performance

2.720 GPixel/s

Pixel Rate

18.82 GPixel/s

5.440 GTexel/s

Texture Rate

37.63 GTexel/s

-

163.2 GFLOPS

FP32 (float)

903.2 GFLOPS

-

FP64 (double)

28.22 GFLOPS

Board Design

Unknown

TDP

33W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

M76

GPU Name

GM108

M76 XT-M (216XJBKA13FG)

GPU Variant

-

TeraScale

Architecture

Maxwell

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.39 billion

Transistors

Unknown

153 mm²

Die Size

Unknown

Graphics Features

10.0 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.0

4.0

Shader Model

5.1

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