NVIDIA GeForce GTX 970 vs NVIDIA A40 PCIe
We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 970 and 48GB VRAM A40 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 970 's Advantages
Lower TDP (148W vs 300W)
NVIDIA A40 PCIe 's Advantages
Released 6 years and 1 months late
Boost Clock has increased by 48% (1740MHz vs 1178MHz)
More VRAM (48GB vs 4GB)
Larger VRAM bandwidth (695.8GB/s vs 224.4GB/s)
9088 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 970
3.92 TFLOPS
A40 PCIe
+854%
37.42 TFLOPS
Blender
GeForce GTX 970
305
A40 PCIe
+1208%
3990
Graphics Card
Sep 2014
Release Date
Oct 2020
GeForce 900
Generation
Tesla
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1050 MHz
Base Clock
1305 MHz
1178 MHz
Boost Clock
1740 MHz
1753 MHz
Memory Clock
1812 MHz
Memory
4GB
Memory Size
48GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
384bit
224.4GB/s
Bandwidth
695.8GB/s
Render Config
-
-
-
-
SM Count
84
1664
Shading Units
10752
104
TMUs
336
56
ROPs
112
-
Tensor Cores
336
-
RT Cores
84
48 KB (per SMM)
L1 Cache
128 KB (per SM)
2 MB
L2 Cache
6 MB
-
-
-
Theoretical Performance
65.97 GPixel/s
Pixel Rate
194.9 GPixel/s
122.5 GTexel/s
Texture Rate
584.6 GTexel/s
-
FP16 (half)
37.42 TFLOPS
3.920 TFLOPS
FP32 (float)
37.42 TFLOPS
122.5 GFLOPS
FP64 (double)
584.6 GFLOPS
Board Design
148W
TDP
300W
300 W
Suggested PSU
700 W
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
Outputs
3x DisplayPort 1.4a
2x 6-pin
Power Connectors
8-pin EPS
Graphics Processor
GM204
GPU Name
GA102
GM204-200-A1
GPU Variant
-
Maxwell 2.0
Architecture
Ampere
TSMC
Foundry
Samsung
28 nm
Process Size
8 nm
5.2 billion
Transistors
28.3 billion
398 mm²
Die Size
628 mm²
Graphics Features
12 (12_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
5.2
CUDA
8.6
6.4
Shader Model
6.6
