Home GPU Comparison AMD Radeon RX 6900 XT vs ATI Radeon HD 3650

AMD Radeon RX 6900 XT vs ATI Radeon HD 3650

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XT and 256MB VRAM Radeon HD 3650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6900 XT 's Advantages
Released 12 years and 9 months late
Boost Clock2250MHz
More VRAM (16GB vs 256GB)
Larger VRAM bandwidth (512.0GB/s vs 25.60GB/s)
5000 additional rendering cores
ATI Radeon HD 3650 's Advantages
Lower TDP (65W vs 300W)

Score

Benchmark

FP32 (float)
Radeon RX 6900 XT +13141%
23.04 TFLOPS
Radeon HD 3650
0.174 TFLOPS
VS

Graphics Card

Oct 2020
Release Date
Jan 2008
Navi II
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

1825 MHz
Base Clock
-
2250 MHz
Boost Clock
-
2000 MHz
Memory Clock
800 MHz

Memory

16GB
Memory Size
256MB
GDDR6
Memory Type
GDDR3
256bit
Memory Bus
128bit
512.0GB/s
Bandwidth
25.60GB/s

Render Config

80
Compute Units
3
-
-
-
5120
Shading Units
120
320
TMUs
8
128
ROPs
4
-
-
-
80
RT Cores
-
128 KB per Array
L1 Cache
-
4 MB
L2 Cache
128 KB
128 MB
L3 Cache
-

Theoretical Performance

288.0 GPixel/s
Pixel Rate
2.900 GPixel/s
720.0 GTexel/s
Texture Rate
5.800 GTexel/s
46.08 TFLOPS
FP16 (half)
-
23.04 TFLOPS
FP32 (float)
174.0 GFLOPS
1440 GFLOPS
FP64 (double)
-

Board Design

300W
TDP
65W
700 W
Suggested PSU
250 W
1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C
Outputs
2x DVI 1x S-Video
2x 8-pin
Power Connectors
None

Graphics Processor

Navi 21
GPU Name
RV635
Navi 21 XTX (215-121000167)
GPU Variant
RV635 PRO (215-0682008)
RDNA 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
7 nm
Process Size
55 nm
26.8 billion
Transistors
0.378 billion
520 mm²
Die Size
135 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
2.1
OpenCL
N/A
1.3
Vulkan
N/A
-
-
-
6.5
Shader Model
4.1

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