Radeon Instinct MI250 vs RX 455 OEM

Primary details

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

Place in performance ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Architecture	GCN 2.0 (2013−2017)	CDNA 2.0 (2021)
GPU code name	Tobago	Aldebaran
Market segment	Desktop	Desktop
Release date	30 June 2016 (7 years ago)	8 November 2021 (2 years ago)
Current price	no data	$12340

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	768	13312
Core clock speed	1050 MHz	no data
Boost clock speed	no data	1700 MHz
Number of transistors	2,080 million	58,200 million
Manufacturing process technology	28 nm	6 nm
Power consumption (TDP)	100 Watt	500 Watt
Texture fill rate	50.40	1,414
Floating-point performance	1,613 gflops	no data

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 3.0 x16	PCIe 4.0 x16
Length	165 mm	267 mm
Width	1-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	HBM2e
Maximum RAM amount	2 GB	128 GB
Memory bus width	128 Bit	8192 Bit
Memory clock speed	6500 MHz	3.2 GB/s
Memory bandwidth	104.0 GB/s	3,277 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	1x DVI, 1x HDMI, 1x DisplayPort	No outputs
HDMI	+	no data

API compatibility

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

DirectX	12 (12_0)	N/A
Shader Model	6.3	N/A
OpenGL	4.6	N/A
OpenCL	2.0	3.0
Vulkan	1.2.131	N/A

Pros & cons summary

---

Recency	30 June 2016	8 November 2021
Maximum RAM amount	2 GB	128 GB
Chip lithography	28 nm	6 nm
Power consumption (TDP)	100 Watt	500 Watt

---

Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.

---