GPU Comparison

A

AMD

RADEON

AMD Radeon R6 M255DX

CORE STATE Jet

VRAM System Shared

CLOCK SPEED 855 MHz

TDP —

BUS WIDTH System Shared

ARCHITECTURE GCN 1.0

nm

PROCESS 28 nm

LAUNCH DATE 2014

VS

NVIDIA

GEFORCE

RTX A4000

CORE STATE GA104

VRAM 16 GB

CLOCK SPEED 1560 MHz

TDP 140 W

BUS WIDTH 256 bit

ARCHITECTURE Ampere

nm

PROCESS 8 nm

LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

geekbench_vulkan

4,867

111,712

3dmark_3dmark_steel_nomad_dx12

N/A

2,604

geekbench_opencl

N/A

121,988

passmark_directx_10

N/A

126

passmark_directx_11

N/A

158

passmark_directx_12

N/A

72

passmark_directx_9

N/A

240

passmark_g2d

N/A

1,024

passmark_g3d

N/A

19,459

passmark_gpu_compute

N/A

9,760

DETAILED SPECIFICATIONS

SPECIFICATION

R6 M255DX

RTX A4000

Core Specs

Shading Units

320

6,144 +1820.0%

Shaders

320

6,144 +1820.0%

TMUs

20

192 +860.0%

ROPs

8

96 +1100.0%

Compute Units

5

—

SM Count

—

48

Clocks

Base Clock

780 MHz

735 MHz

Boost Clock

855 MHz

1560 MHz

Memory Clock

System Shared

1750 MHz 14 Gbps effective

Memory

Memory Size

System Shared

16 GB

VRAM (MB)

—

16,384

Memory Type

System Shared

GDDR6

Memory Bus

System Shared

256 bit

Bandwidth

System Dependent

448.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB (per SM)

L2 Cache

128 KB

4 MB

Performance

Pixel Rate

6.840 GPixel/s

149.8 GPixel/s

Texture Rate

17.10 GTexel/s

299.5 GTexel/s

FP32 (TFLOPS)

547.2 GFLOPS

19.17 TFLOPS

FP64 (TFLOPS)

34.20 GFLOPS (1:16)

299.5 GFLOPS (1:64)

FP16 (TFLOPS)

—

19.17 TFLOPS (1:1)

AI/RT

RT Cores

—

48

Tensor Cores

—

192

Power

TDP

—

140 W

TDP (W)

—

140

Suggested PSU

—

300 W

Power Connectors

—

1x 6-pin

Architecture

Architecture

GCN 1.0

Ampere

GPU Name

Jet

GA104

Generation

Gem System Hybrid (Rx M200)

Workstation Ampere (Ax000)

Process Size

28 nm

8 nm

Transistors

690 million

17,400 million

Die Size

56 mm²

392 mm²

Foundry

TSMC

Samsung

Density

12.3M / mm²

44.4M / mm²

API Support

DirectX

12 (11_1)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.2.170

1.4

OpenCL

2.1 (1.2)

3.0

CUDA

—

8.6

Shader Model

6.5 (5.1)

6.8

Physical

Slot Width

IGP

Single-slot

Length

—

241 mm 9.5 inches

Height

—

112 mm 4.4 inches

Outputs

Portable Device Dependent

4x DisplayPort 1.4a

Bus Interface

IGP

PCIe 4.0 x16

Other

Production

End-of-life

End-of-life

Predecessor

—

Quadro Turing

Successor

—

Workstation Ada

View Radeon R6 M255DX Details View RTX A4000 Details