ATI Radeon HD 2600 XT Mac Edition vs NVIDIA T400

VS

ATI Radeon HD 2600 XT Mac Edition

NVIDIA T400

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2600 XT Mac Edition and 2GB VRAM T400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA T400 's Advantages

Released 13 years and 3 months late

Boost Clock1425MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (80.00GB/s vs 25.60GB/s)

264 additional rendering cores

Lower TDP (30W vs 45W)

Score

Benchmark

FP32 (float)

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

T400 +551%

1.094 TFLOPS

Radeon HD 2600 XT Mac Edition

VS

T400

Graphics Card

Feb 2008

Release Date

May 2021

Radeon R600

Generation

Quadro

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

420 MHz

-

Boost Clock

1425 MHz

800 MHz

Memory Clock

1250 MHz

Memory

256MB

Memory Size

2GB

GDDR3

Memory Type

GDDR6

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

80.00GB/s

Render Config

3

Compute Units

-

SM Count

6

120

Shading Units

384

8

TMUs

24

4

ROPs

16

-

L1 Cache

64 KB (per SM)

64 KB

L2 Cache

1024 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

22.80 GPixel/s

5.600 GTexel/s

Texture Rate

34.20 GTexel/s

-

FP16 (half)

2.189 TFLOPS

168.0 GFLOPS

FP32 (float)

1094 GFLOPS

-

FP64 (double)

34.20 GFLOPS

Board Design

45W

TDP

30W

200 W

Suggested PSU

200 W

2x DVI

Outputs

3x mini-DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

RV630

GPU Name

TU117

-

TeraScale

Architecture

Turing

TSMC

Foundry

TSMC

65 nm

Process Size

12 nm

0.39 billion

Transistors

4.7 billion

153 mm²

Die Size

200 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (12_1)

3.3

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

7.5

4.0

Shader Model

6.6

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