NVIDIA RTX A4000H vs AMD Radeon HD 7870 XT

VS

NVIDIA RTX A4000H

AMD Radeon HD 7870 XT

We compared two Desktop platform GPUs: 16GB VRAM RTX A4000H and 2GB VRAM Radeon HD 7870 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000H 's Advantages

Released 8 years and 5 months late

Boost Clock has increased by 60% (1560MHz vs 975MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 192.0GB/s)

4608 additional rendering cores

Lower TDP (140W vs 185W)

Score

Benchmark

FP32 (float)

RTX A4000H +540%

19.17 TFLOPS

Radeon HD 7870 XT

2.995 TFLOPS

RTX A4000H

VS

Radeon HD 7870 XT

Graphics Card

Apr 2021

Release Date

Nov 2012

Quadro Ampere

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

735 MHz

Base Clock

925 MHz

1560 MHz

Boost Clock

975 MHz

1750 MHz

Memory Clock

1500 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

448.0GB/s

Bandwidth

192.0GB/s

Render Config

-

Compute Units

24

48

SM Count

-

6144

Shading Units

1536

192

TMUs

96

ROPs

32

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

512 KB

-

Theoretical Performance

149.8 GPixel/s

Pixel Rate

31.20 GPixel/s

299.5 GTexel/s

Texture Rate

93.60 GTexel/s

19.17 TFLOPS

FP16 (half)

-

19.17 TFLOPS

FP32 (float)

2.995 TFLOPS

299.5 GFLOPS

FP64 (double)

748.8 GFLOPS

Board Design

140W

TDP

185W

300 W

Suggested PSU

450 W

4x DisplayPort 1.4a

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

GA104

GPU Name

Tahiti

GA104-???-A1

GPU Variant

Tahiti LE (215-0821122)

Ampere

Architecture

GCN 1.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

17.4 billion

Transistors

4.313 billion

392 mm²

Die Size

352 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

8.6

CUDA

-

6.7

Shader Model

5.1

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