NVIDIA RTX A2000 vs NVIDIA RTX A4500
We compared two Professional market GPUs: 6GB VRAM RTX A2000 and 20GB VRAM RTX A4500 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX A2000 's Advantages
Lower TDP (70W vs 200W)
NVIDIA RTX A4500 's Advantages
Boost Clock has increased by 38% (1650MHz vs 1200MHz)
More VRAM (20GB vs 6GB)
Larger VRAM bandwidth (640.0GB/s vs 288.0GB/s)
3840 additional rendering cores
Score
Benchmark
FP32 (float)
RTX A2000
7.987 TFLOPS
RTX A4500
+196%
23.65 TFLOPS
3DMark Time Spy
RTX A2000
5936
RTX A4500
+115%
12815
3DMark Time Spy Extreme
RTX A2000
2712
RTX A4500
+135%
6380
3DMark Speed Way
RTX A2000
1480
RTX A4500
+131%
3422
Shadow of the Tomb Raider 2160p
RTX A2000
25
RTX A4500
+160%
65
Shadow of the Tomb Raider 1440p
RTX A2000
50
RTX A4500
+150%
125
Shadow of the Tomb Raider 1080p
RTX A2000
70
RTX A4500
+150%
175
Graphics Card
Aug 2021
Release Date
Nov 2021
Quadro Ampere
Generation
Quadro Ampere
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
562 MHz
Base Clock
1050 MHz
1200 MHz
Boost Clock
1650 MHz
1500 MHz
Memory Clock
2000 MHz
Memory
6GB
Memory Size
20GB
GDDR6
Memory Type
GDDR6
192bit
Memory Bus
320bit
288.0GB/s
Bandwidth
640.0GB/s
Render Config
-
-
-
26
SM Count
56
3328
Shading Units
7168
104
TMUs
224
48
ROPs
96
104
Tensor Cores
224
26
RT Cores
56
128 KB (per SM)
L1 Cache
128 KB (per SM)
3 MB
L2 Cache
6 MB
-
-
-
Theoretical Performance
57.60 GPixel/s
Pixel Rate
158.4 GPixel/s
124.8 GTexel/s
Texture Rate
369.6 GTexel/s
7.987 TFLOPS
FP16 (half)
23.65 TFLOPS
7.987 TFLOPS
FP32 (float)
23.65 TFLOPS
124.8 GFLOPS
FP64 (double)
369.6 GFLOPS
Board Design
70W
TDP
200W
250 W
Suggested PSU
550 W
4x mini-DisplayPort 1.4a
Outputs
4x DisplayPort 1.4a
None
Power Connectors
1x 8-pin
Graphics Processor
GA106
GPU Name
GA102
GA106-850-A1
GPU Variant
-
Ampere
Architecture
Ampere
Samsung
Foundry
Samsung
8 nm
Process Size
8 nm
12 billion
Transistors
28.3 billion
276 mm²
Die Size
628 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
8.6
CUDA
8.6
6.7
Shader Model
6.7
