AMD Radeon RX 6400 vs ATI Radeon HD 2600 XT
We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 256MB VRAM ATI Radeon HD 2600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6400 's Advantages
Released 14 years and 7 months late
Boost Clock2321MHz
More VRAM (4GB vs 256GB)
Larger VRAM bandwidth (128.0GB/s vs 22.40GB/s)
648 additional rendering cores
ATI Radeon HD 2600 XT 's Advantages
Lower TDP (45W vs 53W)
Score
Benchmark
FP32 (float)
Radeon RX 6400
+1756%
3.565 TFLOPS
ATI Radeon HD 2600 XT
0.192 TFLOPS
Graphics Card
Jan 2022
Release Date
Jun 2007
Navi II
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 4.0 x4
Bus Interface
PCIe 1.0 x16
Clock Speeds
1923 MHz
Base Clock
-
2321 MHz
Boost Clock
-
2000 MHz
Memory Clock
700 MHz
Memory
4GB
Memory Size
256MB
GDDR6
Memory Type
GDDR3
64bit
Memory Bus
128bit
128.0GB/s
Bandwidth
22.40GB/s
Render Config
12
Compute Units
3
-
-
-
768
Shading Units
120
48
TMUs
8
32
ROPs
4
-
-
-
12
RT Cores
-
128 KB per Array
L1 Cache
-
1024 KB
L2 Cache
64 KB
16 MB
L3 Cache
-
Theoretical Performance
74.27 GPixel/s
Pixel Rate
3.200 GPixel/s
111.4 GTexel/s
Texture Rate
6.400 GTexel/s
7.130 TFLOPS
FP16 (half)
-
3.565 TFLOPS
FP32 (float)
192.0 GFLOPS
222.8 GFLOPS
FP64 (double)
-
Board Design
53W
TDP
45W
250 W
Suggested PSU
200 W
1x HDMI 2.1
1x DisplayPort 1.4a
Outputs
2x DVI
1x S-Video
None
Power Connectors
None
Graphics Processor
Navi 24
GPU Name
RV630
Navi 24 XL
(215-135000046)
GPU Variant
-
RDNA 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
6 nm
Process Size
65 nm
5.4 billion
Transistors
0.39 billion
107 mm²
Die Size
153 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
10.0 (10_0)
4.6
OpenGL
3.3
2.2
OpenCL
N/A
1.3
Vulkan
N/A
-
-
-
6.7
Shader Model
4.0
