NVIDIA T400 vs AMD Radeon HD 6950

VS

NVIDIA T400

AMD Radeon HD 6950

We compared two Desktop platform GPUs: 2GB VRAM T400 and 2GB VRAM Radeon HD 6950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA T400 's Advantages

Released 10 years and 5 months late

Boost Clock1425MHz

Lower TDP (30W vs 200W)

AMD Radeon HD 6950 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 80.00GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

T400

1.094 TFLOPS

Radeon HD 6950 +105%

2.253 TFLOPS

T400

VS

Radeon HD 6950

Graphics Card

May 2021

Release Date

Dec 2010

Quadro

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

420 MHz

Base Clock

-

1425 MHz

Boost Clock

-

1250 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

256bit

80.00GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

22

6

SM Count

-

384

Shading Units

1408

24

TMUs

88

16

ROPs

32

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

22.80 GPixel/s

Pixel Rate

25.60 GPixel/s

34.20 GTexel/s

Texture Rate

70.40 GTexel/s

2.189 TFLOPS

FP16 (half)

-

1094 GFLOPS

FP32 (float)

2.253 TFLOPS

34.20 GFLOPS

FP64 (double)

563.2 GFLOPS

Board Design

30W

TDP

200W

200 W

Suggested PSU

550 W

3x mini-DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

None

Power Connectors

2x 6-pin

Graphics Processor

TU117

GPU Name

Cayman

-

GPU Variant

Cayman PRO (215-0807019)

Turing

Architecture

TeraScale 3

TSMC

Foundry

TSMC

12 nm

Process Size

40 nm

4.7 billion

Transistors

2.64 billion

200 mm²

Die Size

389 mm²

Graphics Features

12 (12_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

7.5

CUDA

-

6.6

Shader Model

5.0

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