Home GPU Comparison NVIDIA A40 PCIe vs AMD Radeon RX 550 640SP

NVIDIA A40 PCIe vs AMD Radeon RX 550 640SP

NVIDIA A40 PCIe
VS
AMD Radeon RX 550 640SP
NVIDIA A40 PCIe
AMD Radeon RX 550 640SP
We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 2GB VRAM Radeon RX 550 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages
Released 3 years late
Boost Clock has increased by 62% (1740MHz vs 1071MHz)
More VRAM (48GB vs 2GB)
Larger VRAM bandwidth (695.8GB/s vs 96.00GB/s)
10112 additional rendering cores
AMD Radeon RX 550 640SP 's Advantages
Lower TDP (60W vs 300W)

Score

Benchmark

FP32 (float)
A40 PCIe +2629%
37.42 TFLOPS
Radeon RX 550 640SP
1.371 TFLOPS
A40 PCIe
VS
Radeon RX 550 640SP

Graphics Card

Oct 2020
Release Date
Oct 2017
Tesla
Generation
Polaris
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

1305 MHz
Base Clock
1019 MHz
1740 MHz
Boost Clock
1071 MHz
1812 MHz
Memory Clock
1500 MHz

Memory

48GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
384bit
Memory Bus
128bit
695.8GB/s
Bandwidth
96.00GB/s

Render Config

-
Compute Units
10
84
SM Count
-
10752
Shading Units
640
336
TMUs
40
112
ROPs
16
336
Tensor Cores
-
84
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
6 MB
L2 Cache
1024 KB
-
-
-

Theoretical Performance

194.9 GPixel/s
Pixel Rate
17.14 GPixel/s
584.6 GTexel/s
Texture Rate
42.84 GTexel/s
37.42 TFLOPS
FP16 (half)
1371 GFLOPS
37.42 TFLOPS
FP32 (float)
1371 GFLOPS
584.6 GFLOPS
FP64 (double)
85.68 GFLOPS

Board Design

300W
TDP
60W
700 W
Suggested PSU
250 W
3x DisplayPort 1.4a
Outputs
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
8-pin EPS
Power Connectors
None

Graphics Processor

GA102
GPU Name
Baffin
-
GPU Variant
Baffin LE
Ampere
Architecture
GCN 4.0
Samsung
Foundry
GlobalFoundries
8 nm
Process Size
14 nm
28.3 billion
Transistors
3 billion
628 mm²
Die Size
123 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.3
Vulkan
1.2
8.6
CUDA
-
6.6
Shader Model
6.4

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