Radeon PRO W7800 48 GB vs HD 7850

Primary details

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

Place in the ranking	500	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.61	no data
Power efficiency	5.50	no data
Architecture	GCN 1.0 (2012−2020)	RDNA 3.0 (2022−2025)
GPU code name	Pitcairn	Navi 31
Market segment	Desktop	Workstation
Design	reference	no data
Release date	5 March 2012 (13 years ago)	13 April 2023 (2 years ago)
Launch price (MSRP)	$249	$2,499

Cost-effectiveness evaluation

The higher the ratio, the better. We use the manufacturer's recommended prices.

Performance to price scatter graph

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	1024	4480
Core clock speed	no data	1895 MHz
Boost clock speed	1000 MHz	2525 MHz
Number of transistors	2,800 million	57,700 million
Manufacturing process technology	28 nm	5 nm
Power consumption (TDP)	130 Watt	281 Watt
Texture fill rate	55.04	707.0
Floating-point processing power	1.761 TFLOPS	45.25 TFLOPS
ROPs	32	128
TMUs	64	280
Ray Tracing Cores	no data	70
L0 Cache	no data	2.2 MB
L1 Cache	256 KB	2 MB
L2 Cache	512 KB	6 MB
L3 Cache	no data	96 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 3.0 x16	PCIe 4.0 x16
Length	210 mm	280 mm
Width	2-slot	2-slot
Supplementary power connectors	1x 6-pin	2x 8-pin

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	1200 MHz	2250 MHz
Memory bandwidth	153.6 GB/s	864.0 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	1x DVI, 1x HDMI, 2x mini-DisplayPort	3x DisplayPort 2.1, 1x mini-DisplayPort 2.1
Eyefinity	+	-
HDMI	+	-

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

CrossFire	+	-
FreeSync	+	-

API and SDK support

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

DirectX	12	12 Ultimate (12_2)
Shader Model	5.1	6.8
OpenGL	4.6	4.6
OpenCL	1.2	2.2
Vulkan	+	1.3

Pros & cons summary

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Recency	5 March 2012	13 April 2023
Maximum RAM amount	2 GB	48 GB
Chip lithography	28 nm	5 nm
Power consumption (TDP)	130 Watt	281 Watt

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