Radeon RX 7990 XTX vs GeForce GTX 780 Ti

Primary details

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

Place in the ranking	220	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	6.27	no data
Power efficiency	6.86	no data
Architecture	Kepler (2012−2018)	RDNA 3.0 (2022−2024)
GPU code name	GK110B	Navi 31
Market segment	Desktop	Desktop
Release date	7 November 2013 (11 years ago)	2023 (1 year ago)
Launch price (MSRP)	$699	no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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	2880	6144
Core clock speed	875 MHz	2500 MHz
Boost clock speed	928 MHz	3599 MHz
Number of transistors	7,080 million	57,700 million
Manufacturing process technology	28 nm	5 nm
Power consumption (TDP)	250 Watt	405 Watt
Texture fill rate	222.7	1,382
Floating-point processing power	5.345 TFLOPS	88.45 TFLOPS
ROPs	48	192
TMUs	240	384
Ray Tracing Cores	no data	96

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	PCI Express 3.0	no data
Interface	PCIe 3.0 x16	PCIe 4.0 x16
Length	267 mm	287 mm
Height	4.376" (11.1 cm)	no data
Width	2-slot	3-slot
Supplementary power connectors	1x 6-pin + 1x 8-pin	3x 8-pin
SLI options	+	-

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	3 GB	24 GB
Memory bus width	384 Bit	384 Bit
Memory clock speed	7.0 GB/s	3000 MHz
Memory bandwidth	336 GB/s	1.15 TB/s
Shared memory	-	-

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	One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort	1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
Multi monitor support	4 displays	no data
HDMI	+	+
HDCP	+	-
Maximum VGA resolution	2048x1536	no data
Audio input for HDMI	Internal	no data

Supported technologies

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

Blu Ray 3D	+	-
3D Gaming	+	-
3D Vision	+	-
3D Vision Live	+	-

API compatibility

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

DirectX	12 (11_1)	12 Ultimate (12_2)
Shader Model	5.1	6.7
OpenGL	4.4	4.6
OpenCL	1.2	2.2
Vulkan	1.1.126	1.3
CUDA	+	-

Pros & cons summary

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Maximum RAM amount	3 GB	24 GB
Chip lithography	28 nm	5 nm
Power consumption (TDP)	250 Watt	405 Watt

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