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

NVIDIA A40 PCIe vs AMD Radeon 550X 640SP

NVIDIA A40 PCIe
VS
AMD Radeon 550X 640SP
NVIDIA A40 PCIe
AMD Radeon 550X 640SP
We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 4GB VRAM Radeon 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages
Released 2 years and 6 months late
Boost Clock has increased by 62% (1740MHz vs 1071MHz)
More VRAM (48GB vs 4GB)
Larger VRAM bandwidth (695.8GB/s vs 48.00GB/s)
10112 additional rendering cores
AMD Radeon 550X 640SP 's Advantages
Lower TDP (50W vs 300W)

Score

Benchmark

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

Graphics Card

Oct 2020
Release Date
Apr 2018
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
4GB
GDDR6
Memory Type
GDDR5
384bit
Memory Bus
64bit
695.8GB/s
Bandwidth
48.00GB/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
256 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
50W
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
Lexa
-
GPU Variant
Lexa PRO (215-0904018)
Ampere
Architecture
GCN 4.0
Samsung
Foundry
GlobalFoundries
8 nm
Process Size
14 nm
28.3 billion
Transistors
2.2 billion
628 mm²
Die Size
103 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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