A40 PCIe vs FirePro V7900

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking	663	not rated
Place by popularity	not in top-100	not in top-100
Power efficiency	2.77	no data
Architecture	TeraScale 3 (2010−2013)	Ampere (2020−2025)
GPU code name	Cayman	GA102
Market segment	Workstation	Workstation
Release date	24 May 2011 (14 years ago)	5 October 2020 (5 years 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	1280	10752
Core clock speed	725 MHz	1305 MHz
Boost clock speed	no data	1755 MHz
Number of transistors	2,640 million	28,300 million
Manufacturing process technology	40 nm	8 nm
Power consumption (TDP)	151 Watt	300 Watt
Texture fill rate	58.00	589.7
Floating-point processing power	1.856 TFLOPS	37.74 TFLOPS
ROPs	32	112
TMUs	80	336
Tensor Cores	no data	336
Ray Tracing Cores	no data	84
L1 Cache	320 KB	10.5 MB
L2 Cache	512 KB	6 MB

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).

Bus support	PCIe 2.1 x16	no data
Interface	PCIe 2.0 x16	PCIe 4.0 x16
Length	279 mm	267 mm
Width	1-slot	2-slot
Form factor	full height / full length	no data
Supplementary power connectors	1x 6-pin	8-pin EPS

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	GDDR5	GDDR6
Maximum RAM amount	2 GB	48 GB
Memory bus width	256 Bit	384 Bit
Memory clock speed	1250 MHz	1812 MHz
Memory bandwidth	160 GB/s	695.8 GB/s
Resizable BAR	-	+

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display Connectors	4x DisplayPort	3x DisplayPort
StereoOutput3D	+	-
DisplayPort count	4	no data
Dual-link DVI support	+	-

API and SDK support

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

DirectX	11.2 (11_0)	12 Ultimate (12_2)
Shader Model	5.0	6.5
OpenGL	4.4	4.6
OpenCL	1.2	2.0
Vulkan	N/A	1.2
CUDA	-	8.6
DLSS	-	+

Pros & cons summary

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Recency	24 May 2011	5 October 2020
Maximum RAM amount	2 GB	48 GB
Chip lithography	40 nm	8 nm
Power consumption (TDP)	151 Watt	300 Watt