Radeon RX 6900 vs R7 265

Place in the ranking	433	21
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	5.05	no data
Power efficiency	4.80	18.86
Architecture	GCN 1.0 (2011−2020)	RDNA 2.0 (2020−2024)
GPU code name	Pitcairn	Navi 21
Market segment	Desktop	Desktop
Design	reference	no data
Release date	13 February 2014 (10 years ago)	28 October 2020 (4 years ago)
Launch price (MSRP)	$149	no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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	4608
Boost clock speed	925 MHz	2105 MHz
Number of transistors	2,800 million	23,000 million
Manufacturing process technology	28 nm	7 nm
Power consumption (TDP)	150 Watt	255 Watt
Texture fill rate	59.20	606.2
Floating-point processing power	1.894 TFLOPS	19.4 TFLOPS
ROPs	32	64
TMUs	64	288

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 4.0 x16
Length	210 mm	no data
Width	2-slot	2-slot
Supplementary power connectors	1 x 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	4 GB	16 GB
Memory bus width	256 Bit	256 Bit
Memory clock speed	1400 MHz	16 GB/s
Memory bandwidth	179.2 GB/s	512.0 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, 1x DisplayPort	1x HDMI, 2x DisplayPort, 1x USB Type-C
Eyefinity	+	-
HDMI	+	+

Supported technologies

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

CrossFire	+	-
FreeSync	+	-
DDMA audio	+	no data

API compatibility

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

DirectX	DirectX® 12	12 Ultimate (12_2)
Shader Model	5.1	6.5
OpenGL	4.6	4.6
OpenCL	1.2	2.0
Vulkan	-	1.2

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Pros & cons summary

Performance score	10.39	69.44
Recency	13 February 2014	28 October 2020
Maximum RAM amount	4 GB	16 GB
Chip lithography	28 nm	7 nm
Power consumption (TDP)	150 Watt	255 Watt

R7 265 has 70% lower power consumption.

RX 6900, on the other hand, has a 568.3% higher aggregate performance score, an age advantage of 6 years, a 300% higher maximum VRAM amount, and a 300% more advanced lithography process.

The Radeon RX 6900 is our recommended choice as it beats the Radeon R7 265 in performance tests.

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