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GPU Comparison
AMD Radeon RX 6400 vs ATI Radeon HD 2900 PRO
AMD Radeon RX 6400 vs ATI Radeon HD 2900 PRO
VS
AMD Radeon RX 6400
ATI Radeon HD 2900 PRO
We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 512MB VRAM Radeon HD 2900 PRO 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 1 months late
Boost Clock2321MHz
Larger VRAM bandwidth (128.0GB/s vs 51.20GB/s)
448 additional rendering cores
Lower TDP (53W vs 200W)
Score
Benchmark
FP32 (float)
Radeon RX 6400
+828%
3.565 TFLOPS
Radeon HD 2900 PRO
0.384 TFLOPS
Radeon RX 6400
VS
Radeon HD 2900 PRO
Graphics Card
Jan 2022
Release Date
Dec 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
800 MHz
Memory
4GB
Memory Size
512MB
GDDR6
Memory Type
GDDR3
64bit
Memory Bus
256bit
128.0GB/s
Bandwidth
51.20GB/s
Render Config
-
SM Count
-
12
Compute Units
4
768
Shading Units
320
48
TMUs
16
32
ROPs
16
-
Tensor Cores
-
12
RT Cores
-
128 KB per Array
L1 Cache
-
1024 KB
L2 Cache
128 KB
Theoretical Performance
74.27 GPixel/s
Pixel Rate
9.600 GPixel/s
111.4 GTexel/s
Texture Rate
9.600 GTexel/s
7.130 TFLOPS
FP16 (half)
-
3.565 TFLOPS
FP32 (float)
384.0 GFLOPS
222.8 GFLOPS
FP64 (double)
-
Graphics Processor
Navi 24
GPU Name
R600
Navi 24 XL (215-135000046)
GPU Variant
R600 PRO (215RGMDKA13FG)
RDNA 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
6 nm
Process Size
80 nm
5.4 billion
Transistors
0.72 billion
107 mm²
Die Size
420 mm²
Board Design
53W
TDP
200W
250 W
Suggested PSU
550 W
1x HDMI 2.1 1x DisplayPort 1.4a
Outputs
2x DVI 1x S-Video
None
Power Connectors
1x 8-pin
Graphics Features
12 Ultimate (12_2)
DirectX
10.0 (10_0)
4.6
OpenGL
3.3 (full) 4.0 (partial)
2.2
OpenCL
N/A
1.3
Vulkan
N/A
-
CUDA
-
6.6
Shader Model
4.0
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