AMD Radeon HD 7870 XT vs NVIDIA T400

VS

AMD Radeon HD 7870 XT

NVIDIA T400

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT and 2GB VRAM T400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 XT 's Advantages

Larger VRAM bandwidth (192.0GB/s vs 80.00GB/s)

1152 additional rendering cores

NVIDIA T400 's Advantages

Released 8 years and 6 months late

Boost Clock has increased by 46% (1425MHz vs 975MHz)

Lower TDP (30W vs 185W)

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT +173%

2.995 TFLOPS

T400

1.094 TFLOPS

Radeon HD 7870 XT

VS

T400

Graphics Card

Nov 2012

Release Date

May 2021

Southern Islands

Generation

Quadro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

925 MHz

Base Clock

420 MHz

975 MHz

Boost Clock

1425 MHz

1500 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

64bit

192.0GB/s

Bandwidth

80.00GB/s

Render Config

24

Compute Units

-

SM Count

6

1536

Shading Units

384

96

TMUs

24

32

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

31.20 GPixel/s

Pixel Rate

22.80 GPixel/s

93.60 GTexel/s

Texture Rate

34.20 GTexel/s

-

FP16 (half)

2.189 TFLOPS

2.995 TFLOPS

FP32 (float)

1094 GFLOPS

748.8 GFLOPS

FP64 (double)

34.20 GFLOPS

Board Design

185W

TDP

30W

450 W

Suggested PSU

200 W

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

Outputs

3x mini-DisplayPort 1.4a

2x 6-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

TU117

Tahiti LE (215-0821122)

GPU Variant

-

GCN 1.0

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

4.313 billion

Transistors

4.7 billion

352 mm²

Die Size

200 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

7.5

5.1

Shader Model

6.6

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