Home GPU Comparison AMD Radeon R7 265 vs AMD Radeon RX 7900 XT

AMD Radeon R7 265 vs AMD Radeon RX 7900 XT

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 265 and 20GB VRAM Radeon RX 7900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 265 's Advantages
Lower TDP (150W vs 300W)
AMD Radeon RX 7900 XT 's Advantages
Released 8 years and 9 months late
Boost Clock has increased by 159% (2394MHz vs 925MHz)
More VRAM (20GB vs 2GB)
Larger VRAM bandwidth (800.0GB/s vs 179.2GB/s)
4352 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon R7 265
1.894 TFLOPS
Radeon RX 7900 XT +2618%
51.48 TFLOPS
VS

Graphics Card

Feb 2014
Release Date
Nov 2022
Volcanic Islands
Generation
Navi III
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

900 MHz
Base Clock
1387 MHz
925 MHz
Boost Clock
2394 MHz
1400 MHz
Memory Clock
2500 MHz

Memory

2GB
Memory Size
20GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
320bit
179.2GB/s
Bandwidth
800.0GB/s

Render Config

16
Compute Units
84
-
-
-
1024
Shading Units
5376
64
TMUs
336
32
ROPs
192
-
-
-
-
RT Cores
84
16 KB (per CU)
L1 Cache
256 KB per Array
512 KB
L2 Cache
6 MB
-
L3 Cache
80 MB

Theoretical Performance

29.60 GPixel/s
Pixel Rate
459.6 GPixel/s
59.20 GTexel/s
Texture Rate
804.4 GTexel/s
-
FP16 (half)
103.0 TFLOPS
1.894 TFLOPS
FP32 (float)
51.48 TFLOPS
118.4 GFLOPS
FP64 (double)
1.609 TFLOPS

Board Design

150W
TDP
300W
450 W
Suggested PSU
700 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C
1x 6-pin
Power Connectors
2x 8-pin

Graphics Processor

Pitcairn
GPU Name
Navi 31
Pitcairn PRO (215-0828062)
GPU Variant
Navi 31 XT (215-145000156)
GCN 1.0
Architecture
RDNA 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
5 nm
2.8 billion
Transistors
57.7 billion
212 mm²
Die Size
529 mm²

Graphics Features

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

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