GB10 vs Radeon R9 390X

Primary details

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

Place in the ranking	288	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	8.61	no data
Power efficiency	6.20	no data
Architecture	GCN 2.0 (2013−2017)	Blackwell 2.0 (2025−2026)
GPU code name	Grenada	GB20B
Market segment	Desktop	Workstation
Design	reference	no data
Release date	18 June 2015 (10 years ago)	27 August 2025 (less than a year ago)
Launch price (MSRP)	$429	no data

Cost-effectiveness evaluation

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

Performance to price scatter graph

Currently popular graphics cards are shown for comparison.

Detailed specifications

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

Pipelines / CUDA cores	2816	6144
Core clock speed	no data	1665 MHz
Boost clock speed	1050 MHz	2418 MHz
Number of transistors	6,200 million	no data
Manufacturing process technology	28 nm	3 nm
Power consumption (TDP)	275 Watt	140 Watt
Texture fill rate	184.8	928.5
Floating-point processing power	5.914 TFLOPS	29.71 TFLOPS
ROPs	64	48
TMUs	176	384
Tensor Cores	no data	384
Ray Tracing Cores	no data	48
L1 Cache	704 KB	12 MB
L2 Cache	1024 KB	50 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 3.0	no data
Interface	PCIe 3.0 x16	PCIe 5.0 x16
Length	275 mm	150 mm
Width	2-slot	IGP
Supplementary power connectors	1 x 6-pin, 1 x 8-pin	None
Bridgeless CrossFire	+	-

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	LPDDR5X
High bandwidth memory (HBM)	-	no data
Maximum RAM amount	0 MB	128 GB
Memory bus width	512 Bit	256 Bit
Memory clock speed	1050 MHz	1067 MHz
Memory bandwidth	384 GB/s	273.2 GB/s
Shared memory	-	no data
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	2x DVI, 1x HDMI, 1x DisplayPort	1x HDMI
Eyefinity	+	-
Number of Eyefinity displays	6	no data
HDMI	+	+
DisplayPort support	+	-

Supported technologies

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

CrossFire	+	-
FreeSync	+	-
PowerTune	+	-
TrueAudio	+	-
VCE	+	-
DDMA audio	+	no data

API and SDK support

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

DirectX	DirectX® 12	N/A
Shader Model	6.3	N/A
OpenGL	4.6	N/A
OpenCL	2.0	3.0
Vulkan	+	N/A
Mantle	+	-
CUDA	-	10.1
DLSS	-	+

Pros & cons summary

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Recency	18 June 2015	27 August 2025
Chip lithography	28 nm	3 nm
Power consumption (TDP)	275 Watt	140 Watt