GPU Comparison

A

AMD

RADEON

AMD Radeon Pro 455

CORE STATE Baffin

VRAM 2 GB

CLOCK SPEED —

TDP 35 W

BUS WIDTH 128 bit

ARCHITECTURE GCN 4.0

nm

PROCESS 14 nm

LAUNCH DATE 2016

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_metal

15,829

N/A

geekbench_opencl

11,003

121,988

3dmark_3dmark_steel_nomad_dx12

N/A

2,604

geekbench_vulkan

N/A

111,712

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

Pro 455

RTX A4000

Core Specs

Shading Units

768

6,144 +700.0%

Shaders

768

6,144 +700.0%

TMUs

48

192 +300.0%

ROPs

16

96 +500.0%

Compute Units

12

—

SM Count

—

48

Clocks

Base Clock

—

735 MHz

Boost Clock

—

1560 MHz

GPU Clock

855 MHz

—

Memory Clock

1270 MHz 5.1 Gbps effective

1750 MHz 14 Gbps effective

Memory

Memory Size

2 GB

16 GB

VRAM (MB)

2,048

16,384 +700.0%

Memory Type

GDDR5

GDDR6

Memory Bus

128 bit

256 bit

Bandwidth

81.28 GB/s

448.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB (per SM)

L2 Cache

1024 KB

4 MB

Performance

Pixel Rate

13.68 GPixel/s

149.8 GPixel/s

Texture Rate

41.04 GTexel/s

299.5 GTexel/s

FP32 (TFLOPS)

1,313.3 GFLOPS

19.17 TFLOPS

FP64 (TFLOPS)

82.08 GFLOPS (1:16)

299.5 GFLOPS (1:64)

FP16 (TFLOPS)

1,313.3 GFLOPS (1:1)

19.17 TFLOPS (1:1)

AI/RT

RT Cores

—

48

Tensor Cores

—

192

Power

TDP

35 W

140 W

TDP (W)

35

140 +300.0%

Suggested PSU

—

300 W

Power Connectors

None

1x 6-pin

Architecture

Architecture

GCN 4.0

Ampere

GPU Name

Baffin

GA104

Generation

Radeon Pro Mac (400 Series)

Workstation Ampere (Ax000)

Process Size

14 nm

8 nm

Transistors

3,000 million

17,400 million

Die Size

123 mm²

392 mm²

Foundry

GlobalFoundries

Samsung

Density

24.4M / mm²

44.4M / mm²

API Support

DirectX

12 (12_0)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.3

1.4

OpenCL

2.1

3.0

CUDA

—

8.6

Shader Model

6.7

6.8

Physical

Slot Width

MXM Module

Single-slot

Length

—

241 mm 9.5 inches

Height

—

112 mm 4.4 inches

Outputs

Portable Device Dependent

4x DisplayPort 1.4a

Bus Interface

PCIe 3.0 x8

PCIe 4.0 x16

Other

Production

End-of-life

End-of-life

Predecessor

—

Quadro Turing

Successor

—

Workstation Ada

View Radeon Pro 455 Details View RTX A4000 Details