Radeon Instinct MI300X vs HD 6770

Primary details

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

Place in the ranking	747	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.59	no data
Power efficiency	2.06	no data
Architecture	TeraScale 2 (2009−2015)	CDNA 3.0 (2023−2024)
GPU code name	Juniper	Aqua Vanjaram
Market segment	Desktop	Workstation
Design	reference	no data
Release date	21 January 2011 (13 years ago)	6 December 2023 (1 year ago)
Launch price (MSRP)	$129	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	800	19456
Core clock speed	no data	1000 MHz
Boost clock speed	900 MHz	2100 MHz
Number of transistors	1,040 million	153,000 million
Manufacturing process technology	40 nm	5 nm
Power consumption (TDP)	108 Watt	750 Watt
Texture fill rate	34.00	2,554
Floating-point processing power	1.36 TFLOPS	81.72 TFLOPS
ROPs	16	no data
TMUs	40	1216
Tensor Cores	no data	1216

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 2.0 x16	no data
Interface	PCIe 2.0 x16	PCIe 5.0 x16
Length	198 mm	no data
Width	2-slot	OAM Module
Supplementary power connectors	1x 6-pin	None

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	HBM3
Maximum RAM amount	1 GB	192 GB
Memory bus width	128 Bit	8192 Bit
Memory clock speed	1050 MHz	2525 MHz
Memory bandwidth	76.8 GB/s	5,171 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	2x DVI, 1x HDMI, 2x mini-DisplayPort	No outputs
Eyefinity	+	-
HDMI	+	-

Supported technologies

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

CrossFire

+

-

API compatibility

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

DirectX	DirectX® 11	N/A
Shader Model	5.0	N/A
OpenGL	4.4	N/A
OpenCL	1.2	3.0
Vulkan	-	N/A

Pros & cons summary

---

Recency	21 January 2011	6 December 2023
Maximum RAM amount	1 GB	192 GB
Chip lithography	40 nm	5 nm
Power consumption (TDP)	108 Watt	750 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.

---