AMD Radeon HD 7950 vs NVIDIA RTX A4000H

VS

AMD Radeon HD 7950

NVIDIA RTX A4000H

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 and 16GB VRAM RTX A4000H to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000H 's Advantages

Released 9 years and 3 months late

Boost Clock1560MHz

More VRAM (16GB vs 3GB)

Larger VRAM bandwidth (448.0GB/s vs 240.0GB/s)

4352 additional rendering cores

Lower TDP (140W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 7950

2.867 TFLOPS

RTX A4000H +568%

19.17 TFLOPS

Radeon HD 7950

VS

RTX A4000H

Graphics Card

Jan 2012

Release Date

Apr 2021

Southern Islands

Generation

Quadro Ampere

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

735 MHz

-

Boost Clock

1560 MHz

1250 MHz

Memory Clock

1750 MHz

Memory

3GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

256bit

240.0GB/s

Bandwidth

448.0GB/s

Render Config

28

Compute Units

-

SM Count

48

1792

Shading Units

6144

112

TMUs

192

32

ROPs

96

-

Tensor Cores

192

-

RT Cores

48

16 KB (per CU)

L1 Cache

128 KB (per SM)

768 KB

L2 Cache

4 MB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

149.8 GPixel/s

89.60 GTexel/s

Texture Rate

299.5 GTexel/s

-

FP16 (half)

19.17 TFLOPS

2.867 TFLOPS

FP32 (float)

19.17 TFLOPS

716.8 GFLOPS

FP64 (double)

299.5 GFLOPS

Board Design

200W

TDP

140W

550 W

Suggested PSU

300 W

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

Outputs

4x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Tahiti

GPU Name

GA104

Tahiti PRO (215-0821056)

GPU Variant

GA104-???-A1

GCN 1.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

4.313 billion

Transistors

17.4 billion

352 mm²

Die Size

392 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.6

5.1

Shader Model

6.7

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