GPU Comparison

NVIDIA

GEFORCE

NVIDIA B200

CORE STATE GB100

VRAM 90 GB

CLOCK SPEED 1965 MHz

TDP 1000 W

BUS WIDTH 4096 bit

ARCHITECTURE Blackwell

nm

PROCESS 5 nm

LAUNCH DATE —

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_opencl

345,482

105,868

3dmark_3dmark_steel_nomad_dx12

N/A

2,604

geekbench_vulkan

N/A

127,645

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

B200

RTX A4000

Core Specs

Shading Units

18,944

6,144 -67.6%

Shaders

18,944

6,144 -67.6%

TMUs

592

192 -67.6%

ROPs

24

96 +300.0%

SM Count

148

48 -67.6%

Clocks

Base Clock

700 MHz

735 MHz

Boost Clock

1965 MHz

1560 MHz

Memory Clock

2000 MHz 8 Gbps effective

1750 MHz 14 Gbps effective

Memory

Memory Size

90 GB

16 GB

VRAM (MB)

92,160

16,384 -82.2%

Memory Type

HBM3e

GDDR6

Memory Bus

4096 bit

256 bit

Bandwidth

4.10 TB/s

448.0 GB/s

Cache

L1 Cache

256 KB (per SM)

128 KB (per SM)

L2 Cache

50 MB

4 MB

Performance

Pixel Rate

47.16 GPixel/s

149.8 GPixel/s

Texture Rate

1,163.3 GTexel/s

299.5 GTexel/s

FP32 (TFLOPS)

74.45 TFLOPS

19.17 TFLOPS

FP64 (TFLOPS)

37.22 TFLOPS (1:2)

299.5 GFLOPS (1:64)

FP16 (TFLOPS)

1,191.2 TFLOPS (16:1)

19.17 TFLOPS (1:1)

AI/RT

RT Cores

—

48

Tensor Cores

592

192 -67.6%

Power

TDP

1000 W

140 W

TDP (W)

1,000

140 -86.0%

Suggested PSU

1400 W

300 W

Power Connectors

—

1x 6-pin

Architecture

Architecture

Blackwell

Ampere

GPU Name

GB100

GA104

Generation

Server Blackwell (Bxx)

Workstation Ampere (Ax000)

Process Size

5 nm

8 nm

Transistors

104,000 million

17,400 million

Die Size

—

392 mm²

Foundry

TSMC

Samsung

Density

—

44.4M / mm²

API Support

DirectX

—

12 Ultimate (12_2)

OpenGL

—

4.6

Vulkan

—

1.4

OpenCL

3.0

3.0

CUDA

10.0

8.6

Shader Model

—

6.8

Physical

Slot Width

SXM Module

Single-slot

Length

—

241 mm 9.5 inches

Height

—

112 mm 4.4 inches

Outputs

No outputs

4x DisplayPort 1.4a

Bus Interface

PCIe 5.0 x16

PCIe 4.0 x16

Other

Production

Active

End-of-life

Predecessor

Server Hopper

Quadro Turing

Successor

Server Rubin

Workstation Ada

View B200 Details View RTX A4000 Details