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GPU Comparison
NVIDIA GeForce RTX 4090 Ti vs ATI Radeon HD 4890
NVIDIA GeForce RTX 4090 Ti vs ATI Radeon HD 4890
VS
NVIDIA GeForce RTX 4090 Ti
ATI Radeon HD 4890
We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 Ti and 1024MB VRAM Radeon HD 4890 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 4090 Ti 's Advantages
Boost Clock2565MHz
More VRAM (24GB vs 1GB)
Larger VRAM bandwidth (1152GB/s vs 124.8GB/s)
17376 additional rendering cores
ATI Radeon HD 4890 's Advantages
Lower TDP (190W vs 600W)
Score
Benchmark
FP32 (float)
GeForce RTX 4090 Ti
+6755%
93.24 TFLOPS
Radeon HD 4890
1.36 TFLOPS
GeForce RTX 4090 Ti
VS
Radeon HD 4890
Graphics Card
Unknown
Release Date
Apr 2009
GeForce 40
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
2325 MHz
Base Clock
-
2565 MHz
Boost Clock
-
1500 MHz
Memory Clock
975 MHz
Memory
24GB
Memory Size
1024MB
GDDR6X
Memory Type
GDDR5
384bit
Memory Bus
256bit
1152GB/s
Bandwidth
124.8GB/s
Render Config
142
SM Count
-
-
Compute Units
10
18176
Shading Units
800
568
TMUs
40
192
ROPs
16
568
Tensor Cores
-
142
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
96 MB
L2 Cache
256 KB
Theoretical Performance
492.5 GPixel/s
Pixel Rate
13.60 GPixel/s
1457 GTexel/s
Texture Rate
34.00 GTexel/s
93.24 TFLOPS
FP16 (half)
-
93.24 TFLOPS
FP32 (float)
1360 GFLOPS
1457 GFLOPS
FP64 (double)
272.0 GFLOPS
Graphics Processor
AD102
GPU Name
RV790
AD102-400-A1
GPU Variant
RV790 XT (215-0758016)
Ada Lovelace
Architecture
TeraScale
TSMC
Foundry
TSMC
5 nm
Process Size
55 nm
76.3 billion
Transistors
0.959 billion
609 mm²
Die Size
282 mm²
Board Design
600W
TDP
190W
1000 W
Suggested PSU
450 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
2x DVI 1x S-Video
2x 16-pin
Power Connectors
2x 6-pin
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.3
Vulkan
N/A
8.9
CUDA
-
6.7
Shader Model
4.1
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