ATI Radeon HD 2900 XTX vs NVIDIA T400

VS

ATI Radeon HD 2900 XTX

NVIDIA T400

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 2GB VRAM T400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 XTX 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 80.00GB/s)

NVIDIA T400 's Advantages

Boost Clock1425MHz

More VRAM (2GB vs 512GB)

64 additional rendering cores

Lower TDP (30W vs 240W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XTX

0.476 TFLOPS

T400 +129%

1.094 TFLOPS

Radeon HD 2900 XTX

VS

T400

Graphics Card

Unknown

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

828 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR6

512bit

Memory Bus

64bit

106.0GB/s

Bandwidth

80.00GB/s

Render Config

4

Compute Units

-

SM Count

6

320

Shading Units

384

16

TMUs

24

16

ROPs

16

-

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

22.80 GPixel/s

11.89 GTexel/s

Texture Rate

34.20 GTexel/s

-

FP16 (half)

2.189 TFLOPS

475.5 GFLOPS

FP32 (float)

1094 GFLOPS

-

FP64 (double)

34.20 GFLOPS

Board Design

240W

TDP

30W

550 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

3x mini-DisplayPort 1.4a

2x 6-pin

Power Connectors

None

Graphics Processor

R600

GPU Name

TU117

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

-

TeraScale

Architecture

Turing

TSMC

Foundry

TSMC

80 nm

Process Size

12 nm

0.72 billion

Transistors

4.7 billion

420 mm²

Die Size

200 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (12_1)

3.3 (full) 4.0 (partial)

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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