NVIDIA RTX A400 vs AMD Radeon HD 7950

VS

NVIDIA RTX A400

AMD Radeon HD 7950

We compared two Desktop platform GPUs: 4GB VRAM RTX A400 and 3GB VRAM Radeon HD 7950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A400 's Advantages

Released 12 years and 3 months late

Boost Clock1762MHz

More VRAM (4GB vs 3GB)

Lower TDP (50W vs 200W)

AMD Radeon HD 7950 's Advantages

Larger VRAM bandwidth (240.0GB/s vs 96.00GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

RTX A400

2.706 TFLOPS

Radeon HD 7950 +5%

2.867 TFLOPS

RTX A400

VS

Radeon HD 7950

Graphics Card

Apr 2024

Release Date

Jan 2012

Quadro Ampere(Ax000)

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1417 MHz

Base Clock

-

1762 MHz

Boost Clock

-

1500 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

384bit

96.00GB/s

Bandwidth

240.0GB/s

Render Config

-

Compute Units

28

6

SM Count

-

768

Shading Units

1792

24

TMUs

112

16

ROPs

32

24

Tensor Cores

-

6

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

768 KB

-

Theoretical Performance

28.19 GPixel/s

Pixel Rate

25.60 GPixel/s

42.29 GTexel/s

Texture Rate

89.60 GTexel/s

2.706 TFLOPS

FP16 (half)

-

2.706 TFLOPS

FP32 (float)

2.867 TFLOPS

42.29 GFLOPS

FP64 (double)

716.8 GFLOPS

Board Design

50W

TDP

200W

250 W

Suggested PSU

550 W

4x mini-DisplayPort 1.4a

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

GA107

GPU Name

Tahiti

-

GPU Variant

Tahiti PRO (215-0821056)

Ampere

Architecture

GCN 1.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

8.7 billion

Transistors

4.313 billion

200 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

-

6.8

Shader Model

5.1

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