GeekRadar / The comparison desk
COMPARE.
GPU
Nvidia

A40

Graphics processor

Video memory
48 GB*
Memory bus
384 bit*
Rated memory bandwidth
696 GB/s*

Benchmark results

  • Geekbench GPU (reported compilation) · version unreported · CUDA205,120*Platform unreported Compare results
  • Geekbench GPU (reported compilation) · version unreported · CUDA205,120*Platform unreported Compare results
  • Geekbench GPU (reported compilation) · version unreported · OpenCL185,972*Platform unreported Compare results
  • Geekbench GPU (reported compilation) · version unreported · OpenCL149,033*Platform unreported Compare results
  • Geekbench GPU (reported compilation) · version unreported · OpenCL185,972*Platform unreported Compare results

Processing & platform

Architecture
Ampere*

Memory & storage

Video memory
48 GB*
Video memory type
GDDR6*
Memory bus
384 bit*
Rated memory bandwidth
696 GB/s*

System configuration

Detailed specifications

Specifications 1 · 20 fields
GPU architecture — NVIDIA A40 — 48 GB GDDR6
Ampere*
Theoretical peak: BF16 tensor dense per GPU — NVIDIA A40 — 48 GB GDDR6
149.7* TFLOPS
Scope and conditions
Accumulation
FP32*
Theoretical peak: FP16 tensor dense per GPU — NVIDIA A40 — 48 GB GDDR6
149.7* TFLOPS
Theoretical peak: FP32 non-tensor dense per GPU — NVIDIA A40 — 48 GB GDDR6
37.4* TFLOPS
Native hardware support: FP4 tensor — NVIDIA A40 — 48 GB GDDR6
No*
Native hardware support: FP64 tensor — NVIDIA A40 — 48 GB GDDR6
No*
Native hardware support: FP6 tensor — NVIDIA A40 — 48 GB GDDR6
No*
Native hardware support: FP8 tensor — NVIDIA A40 — 48 GB GDDR6
No*
Theoretical peak: INT8 tensor dense per GPU — NVIDIA A40 — 48 GB GDDR6
299.3* TOPS
Theoretical peak: TF32 tensor dense per GPU — NVIDIA A40 — 48 GB GDDR6
74.8* TFLOPS
Physical configuration — NVIDIA A40 — 48 GB GDDR6
PCIe, dual-slot FHFL*
GPU interconnect bandwidth (NVLink 3) bidirectional — NVIDIA A40 — 48 GB GDDR6
112.5* GB/s
GPU interconnect bandwidth per direction — NVIDIA A40 — 48 GB GDDR6
56.25* GB/s
Scope and conditions
Calculation
112.5 / 2*
PCIe interface declaration — NVIDIA A40 — 48 GB GDDR6
PCIe Gen4 x16*
Maximum board power — NVIDIA A40 — 48 GB GDDR6
300* W
Peak memory bandwidth per GPU — NVIDIA A40 — 48 GB GDDR6
696* GB/s
Memory interface width per GPU — NVIDIA A40 — 48 GB GDDR6
384* bit
Memory capacity per GPU — NVIDIA A40 — 48 GB GDDR6
48* GB
Memory technology — NVIDIA A40 — 48 GB GDDR6
GDDR6*
GPU model — NVIDIA A40 — 48 GB GDDR6
NVIDIA A40*
Specifications 2 · 6 fields
Device
A40*
Scope and conditions
benchmark_context
suite
Geekbench GPU (reported compilation)*
backend_columns
  • CUDA*
  • Metal*
  • OpenCL*
  • Vulkan*
test_configuration_verified
No*
comparable
No*
Manufacturer
Nvidia*
Scope and conditions
benchmark_context
suite
Geekbench GPU (reported compilation)*
backend_columns
  • CUDA*
  • Metal*
  • OpenCL*
  • Vulkan*
test_configuration_verified
No*
comparable
No*
Device
A40*
Scope and conditions
benchmark_context
suite
Geekbench GPU (reported compilation)*
backend_columns
  • CUDA*
  • Metal*
  • OpenCL*
  • Vulkan*
test_configuration_verified
No*
comparable
No*
OpenCL
149,033*
Scope and conditions
benchmark_context
suite
Geekbench GPU (reported compilation)*
backend_columns
  • CUDA*
  • Metal*
  • OpenCL*
  • Vulkan*
test_configuration_verified
No*
comparable
No*
CUDA
205,120*
Scope and conditions
benchmark_context
suite
Geekbench GPU (reported compilation)*
backend_columns
  • CUDA*
  • Metal*
  • OpenCL*
  • Vulkan*
test_configuration_verified
No*
comparable
No*
OpenCL
185,972*
Scope and conditions
benchmark_context
suite
Geekbench GPU (reported compilation)*
backend_columns
  • CUDA*
  • Metal*
  • OpenCL*
  • Vulkan*
test_configuration_verified
No*
comparable
No*
Specifications 3 · 4 fields
Manufacturer
Nvidia*
Scope and conditions
benchmark_context
suite
Geekbench GPU (reported compilation)*
backend_columns
  • CUDA*
  • Metal*
  • OpenCL*
  • Vulkan*
test_configuration_verified
No*
comparable
No*
Device
A40*
Scope and conditions
benchmark_context
suite
Geekbench GPU (reported compilation)*
backend_columns
  • CUDA*
  • Metal*
  • OpenCL*
  • Vulkan*
test_configuration_verified
No*
comparable
No*
CUDA
205,120*
Scope and conditions
benchmark_context
suite
Geekbench GPU (reported compilation)*
backend_columns
  • CUDA*
  • Metal*
  • OpenCL*
  • Vulkan*
test_configuration_verified
No*
comparable
No*
OpenCL
185,972*
Scope and conditions
benchmark_context
suite
Geekbench GPU (reported compilation)*
backend_columns
  • CUDA*
  • Metal*
  • OpenCL*
  • Vulkan*
test_configuration_verified
No*
comparable
No*

* Provisional data