NVIDIA RTX A400 vs ATI Radeon HD 4850 X2

VS

We compared two Desktop platform GPUs: 4GB VRAM RTX A400 and 512MB VRAM Radeon HD 4850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A400 's Advantages

Released 15 years and 5 months late

Boost Clock1762MHz

Larger VRAM bandwidth (96.00GB/s vs 63.68GB/s)

Lower TDP (50W vs 250W)

ATI Radeon HD 4850 X2 's Advantages

32 additional rendering cores

Score

Benchmark

FP32 (float)

RTX A400 +170%

2.706 TFLOPS

Radeon HD 4850 X2

1 TFLOPS

RTX A400

VS

Radeon HD 4850 X2

Graphics Card

Apr 2024

Release Date

Nov 2008

Quadro Ampere

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

727 MHz

Base Clock

-

1762 MHz

Boost Clock

-

1500 MHz

Memory Clock

995 MHz

Memory

4GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

64bit

Memory Bus

256bit

96.00GB/s

Bandwidth

63.68GB/s

Render Config

6

SM Count

-

Compute Units

10

768

Shading Units

800

24

TMUs

40

16

ROPs

16

24

Tensor Cores

-

6

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

Theoretical Performance

28.19 GPixel/s

Pixel Rate

10.00 GPixel/s

42.29 GTexel/s

Texture Rate

25.00 GTexel/s

2.706 TFLOPS

FP16 (half)

-

2.706 TFLOPS

FP32 (float)

1000 GFLOPS

42.29 GFLOPS

FP64 (double)

200.0 GFLOPS

Graphics Processor

GA107

GPU Name

R700

-

GPU Variant

R700 PRO (215-0669065)

Ampere

Architecture

TeraScale

Samsung

Foundry

TSMC

8 nm

Process Size

55 nm

8.7 billion

Transistors

0.956 billion

200 mm²

Die Size

256 mm²

Board Design

50W

TDP

250W

250 W

Suggested PSU

600 W

4x mini-DisplayPort 1.4a

Outputs

4x DVI 1x S-Video

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

8.6

CUDA

-

6.7

Shader Model

4.1

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