NVIDIA RTX A400 vs AMD Radeon R9 255 OEM

VS

NVIDIA RTX A400

AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 4GB VRAM RTX A400 and 2GB VRAM Radeon R9 255 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A400 's Advantages

Released 10 years and 4 months late

Boost Clock has increased by 89% (1762MHz vs 930MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (96.00GB/s vs 73.60GB/s)

256 additional rendering cores

Lower TDP (50W vs 65W)

Score

Benchmark

FP32 (float)

RTX A400 +184%

2.706 TFLOPS

Radeon R9 255 OEM

0.952 TFLOPS

RTX A400

VS

Radeon R9 255 OEM

Graphics Card

Apr 2024

Release Date

Dec 2013

Quadro Ampere(Ax000)

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1417 MHz

Base Clock

900 MHz

1762 MHz

Boost Clock

930 MHz

1500 MHz

Memory Clock

1150 MHz

Memory

4GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

128bit

96.00GB/s

Bandwidth

73.60GB/s

Render Config

-

Compute Units

8

6

SM Count

-

768

Shading Units

512

24

TMUs

32

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

14.88 GPixel/s

42.29 GTexel/s

Texture Rate

29.76 GTexel/s

2.706 TFLOPS

FP16 (half)

-

2.706 TFLOPS

FP32 (float)

952.3 GFLOPS

42.29 GFLOPS

FP64 (double)

59.52 GFLOPS

Board Design

50W

TDP

65W

250 W

Suggested PSU

250 W

4x mini-DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

1x 6-pin

Graphics Processor

GA107

GPU Name

Cape Verde

-

GPU Variant

Cape Verde PRX

Ampere

Architecture

GCN 1.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

8.7 billion

Transistors

1.5 billion

200 mm²

Die Size

123 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

Related GPU Comparisons

1

NVIDIA RTX A400 vs AMD Radeon RX 6950 XT

2

NVIDIA RTX A400 vs ATI Radeon HD 3850

3

NVIDIA RTX A400 vs NVIDIA GeForce RTX 2060 12 GB

4

NVIDIA RTX A400 vs NVIDIA GeForce GTX 285 Mac Edition

5

NVIDIA RTX A400 vs AMD Radeon R5 220 OEM

6

NVIDIA RTX A400 vs NVIDIA GeForce 9500 GT Rev. 3

7

NVIDIA RTX A400 vs AMD Radeon RX 480

8

NVIDIA RTX A400 vs AMD Radeon RX 580 OEM

9

NVIDIA RTX A400 vs AMD Radeon Pro WX 3200

10

NVIDIA RTX A400 vs NVIDIA GeForce 9400 GT PCI

Related News

1

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

2

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

3

CXMT Reportedly Achieves 80% Yield in DDR5 Production

4

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

5

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

6

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

7

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

8

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

9

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

10

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption