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GPU Comparison
AMD Radeon RX 6950 XT vs ATI Radeon HD 2900 XT
AMD Radeon RX 6950 XT vs ATI Radeon HD 2900 XT
VS
AMD Radeon RX 6950 XT
ATI Radeon HD 2900 XT
We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6950 XT and 512MB VRAM Radeon HD 2900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6950 XT 's Advantages
Released 15 years late
Boost Clock2310MHz
Larger VRAM bandwidth (576.0GB/s vs 106.0GB/s)
4800 additional rendering cores
ATI Radeon HD 2900 XT 's Advantages
Lower TDP (215W vs 335W)
Score
Benchmark
FP32 (float)
Radeon RX 6950 XT
+4868%
23.65 TFLOPS
Radeon HD 2900 XT
0.476 TFLOPS
Radeon RX 6950 XT
VS
Radeon HD 2900 XT
Graphics Card
May 2022
Release Date
May 2007
Navi II
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
1860 MHz
Base Clock
-
2310 MHz
Boost Clock
-
2250 MHz
Memory Clock
828 MHz
Memory
16GB
Memory Size
512MB
GDDR6
Memory Type
GDDR3
256bit
Memory Bus
512bit
576.0GB/s
Bandwidth
106.0GB/s
Render Config
-
SM Count
-
80
Compute Units
4
5120
Shading Units
320
320
TMUs
16
128
ROPs
16
-
Tensor Cores
-
80
RT Cores
-
128 KB per Array
L1 Cache
-
4 MB
L2 Cache
256 KB
Theoretical Performance
295.7 GPixel/s
Pixel Rate
11.89 GPixel/s
739.2 GTexel/s
Texture Rate
11.89 GTexel/s
47.31 TFLOPS
FP16 (half)
-
23.65 TFLOPS
FP32 (float)
475.5 GFLOPS
1478 GFLOPS
FP64 (double)
-
Graphics Processor
Navi 21
GPU Name
R600
Navi 21 KXTX (215-121000289)
GPU Variant
R600 XT (215RGMDKA13FG)
RDNA 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
7 nm
Process Size
80 nm
26.8 billion
Transistors
0.72 billion
520 mm²
Die Size
420 mm²
Board Design
335W
TDP
215W
700 W
Suggested PSU
550 W
1x HDMI 2.1 2x DisplayPort 1.4a
Outputs
2x DVI 1x S-Video
2x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
12 Ultimate (12_2)
DirectX
10.0 (10_0)
4.6
OpenGL
3.3 (full) 4.0 (partial)
2.1
OpenCL
N/A
1.3
Vulkan
N/A
-
CUDA
-
6.5
Shader Model
4.0
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8
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