RTX A4000 vs RTX A4500
We compared two Professional market GPUs: 16GB VRAM RTX A4000 and 20GB VRAM RTX A4500 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
RTX A4000 's Advantages
Lower TDP (140W vs 200W)
RTX A4500 's Advantages
Released 7 months late
Boost Clock has increased by 6% (1650MHz vs 1560MHz)
More VRAM (20GB vs 16GB)
Larger VRAM bandwidth (640.0GB/s vs 448.0GB/s)
1024 additional rendering cores
Score
Benchmark
FP32 (float)
RTX A4000
19170
RTX A4500
+23%
23650
3DMark Time Spy
RTX A4000
11079
RTX A4500
+15%
12815
3DMark Time Spy Extreme
RTX A4000
5367
RTX A4500
+18%
6380
3DMark Speed Way
RTX A4000
2838
RTX A4500
+20%
3422
Shadow of the Tomb Raider 2160p
RTX A4000
50
RTX A4500
+30%
65
Shadow of the Tomb Raider 1440p
RTX A4000
105
RTX A4500
+19%
125
Shadow of the Tomb Raider 1080p
RTX A4000
150
RTX A4500
+16%
175
Graphics Card
Apr 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
735 MHz
Base Clock
1050 MHz
1560 MHz
Boost Clock
1650 MHz
1750 MHz
Memory Clock
2000 MHz
Memory
16GB
Memory Size
20GB
GDDR6
Memory Type
GDDR6
256bit
Memory Bus
320bit
448.0GB/s
Bandwidth
640.0GB/s
Render Config
48
SM Count
56
6144
Shading Units
7168
192
TMUs
224
96
ROPs
96
192
Tensor Cores
224
48
RT Cores
56
128 KB (per SM)
L1 Cache
128 KB (per SM)
4 MB
L2 Cache
6 MB
Theoretical Performance
149.8 GPixel/s
Pixel Rate
158.4 GPixel/s
299.5 GTexel/s
Texture Rate
369.6 GTexel/s
19.17 TFLOPS
FP16 (half)
23.65 TFLOPS
19.17 TFLOPS
FP32 (float)
23.65 TFLOPS
299.5 GFLOPS
FP64 (double)
369.6 GFLOPS
Board Design
140W
TDP
200W
300 W
Suggested PSU
550 W
4x DisplayPort 1.4a
Outputs
4x DisplayPort 1.4a
1x 6-pin
Power Connectors
1x 8-pin
Graphics Processor
GA104
GPU Name
GA102
GA104-875-A1
GPU Variant
-
Ampere
Architecture
Ampere
Samsung
Foundry
Samsung
8 nm
Process Size
8 nm
17.4 billion
Transistors
28.3 billion
392 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
