RTX A1000 vs RTX A4000

Place in the ranking	56	192
Place by popularity	not in top-100	not in top-100
Power efficiency	25.01	39.86
Architecture	Ampere (2020−2024)	Ampere (2020−2024)
GPU code name	GA104	GA107
Market segment	Workstation	Workstation
Release date	12 April 2021 (3 years ago)	16 April 2024 (less than a year ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	6144	2304
Core clock speed	735 MHz	727 MHz
Boost clock speed	1560 MHz	1462 MHz
Number of transistors	17,400 million	8,700 million
Manufacturing process technology	8 nm	8 nm
Power consumption (TDP)	140 Watt	50 Watt
Texture fill rate	299.5	105.3
Floating-point processing power	19.17 TFLOPS	6.737 TFLOPS
ROPs	96	32
TMUs	192	72
Tensor Cores	192	72
Ray Tracing Cores	48	18

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Interface	PCIe 4.0 x16	PCIe 4.0 x8
Length	241 mm	163 mm
Width	1-slot	1-slot
Supplementary power connectors	1x 6-pin	None

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory type	GDDR6	GDDR6
Maximum RAM amount	16 GB	8 GB
Memory bus width	256 Bit	128 Bit
Memory clock speed	1750 MHz	1500 MHz
Memory bandwidth	448.0 GB/s	192.0 GB/s

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors

4x DisplayPort 1.4a

4x mini-DisplayPort 1.4a

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX	12 Ultimate (12_2)	12 Ultimate (12_2)
Shader Model	6.7	6.7
OpenGL	4.6	4.6
OpenCL	3.0	3.0
Vulkan	1.3	1.3
CUDA	8.6	8.6

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.

Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

RTX A4000 50.35
+75.7%

RTX A1000 28.66

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

RTX A4000 19428
+75.6%

RTX A1000 11061

GeekBench 5 OpenCL

Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses OpenCL API by Khronos Group.

RTX A4000 123465
+132%

RTX A1000 53145