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GPU Comparison
NVIDIA GeForce RTX 4090 vs ATI Radeon HD 2900 GT
NVIDIA GeForce RTX 4090 vs ATI Radeon HD 2900 GT
VS
NVIDIA GeForce RTX 4090
ATI Radeon HD 2900 GT
We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 256MB VRAM Radeon HD 2900 GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 4090 's Advantages
Released 14 years and 10 months late
Boost Clock2520MHz
16144 additional rendering cores
ATI Radeon HD 2900 GT 's Advantages
Larger VRAM bandwidth (51.20TB/s vs 1.01TB/s)
Lower TDP (150W vs 450W)
Score
Benchmark
FP32 (float)
GeForce RTX 4090
+28573%
82.58 TFLOPS
Radeon HD 2900 GT
0.288 TFLOPS
GeForce RTX 4090
VS
Radeon HD 2900 GT
Graphics Card
Sep 2022
Release Date
Nov 2007
GeForce 40
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
2235 MHz
Base Clock
-
2520 MHz
Boost Clock
-
1313 MHz
Memory Clock
800 MHz
Memory
24GB
Memory Size
256MB
GDDR6X
Memory Type
GDDR3
384bit
Memory Bus
256bit
1.01TB/s
Bandwidth
51.20GB/s
Render Config
128
SM Count
-
-
Compute Units
3
16384
Shading Units
240
512
TMUs
12
176
ROPs
12
512
Tensor Cores
-
128
RT Cores
-
128 KB (per SM)
L1 Cache
-
72 MB
L2 Cache
128 KB
Theoretical Performance
443.5 GPixel/s
Pixel Rate
7.212 GPixel/s
1290 GTexel/s
Texture Rate
7.212 GTexel/s
82.58 TFLOPS
FP16 (half)
-
82.58 TFLOPS
FP32 (float)
288.5 GFLOPS
1290 GFLOPS
FP64 (double)
-
Graphics Processor
AD102
GPU Name
R600
AD102-300-A1
GPU Variant
R600 GT (215RGFDKA13FG)
Ada Lovelace
Architecture
TeraScale
TSMC
Foundry
TSMC
5 nm
Process Size
80 nm
76.3 billion
Transistors
0.72 billion
609 mm²
Die Size
420 mm²
Board Design
450W
TDP
150W
850 W
Suggested PSU
450 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
2x DVI 1x S-Video
1x 16-pin
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)
3.0
OpenCL
N/A
1.3
Vulkan
N/A
8.9
CUDA
-
6.7
Shader Model
4.0
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