GeForce RTX 4090 Ti vs Radeon HD 6790
We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 Ti and 1024MB VRAM Radeon HD 6790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4090 Ti Advantages
Boost Clock2565MHz
More VRAM (24GB vs 1024GB)
Larger VRAM bandwidth (1152GB/s vs 134.4GB/s)
17376 additional rendering cores
Radeon HD 6790 Advantages
Lower TDP (150W vs 600W)
Score
Benchmark
FP32 (float)
GeForce RTX 4090 Ti
+6837%
93240
Radeon HD 6790
1344
Graphics Card
Unknown
Release Date
Apr 2011
GeForce 40
Generation
Northern Islands
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
1050 MHz
Memory
24GB
Memory Size
1024MB
GDDR6X
Memory Type
GDDR5
384bit
Memory Bus
256bit
1152GB/s
Bandwidth
134.4GB/s
Render Config
-
Compute Units
10
142
SM Count
-
18176
Shading Units
800
568
TMUs
40
192
ROPs
16
568
Tensor Cores
-
142
RT Cores
-
128 KB (per SM)
L1 Cache
8 KB (per CU)
96 MB
L2 Cache
512 KB
Theoretical Performance
492.5 GPixel/s
Pixel Rate
13.44 GPixel/s
1457 GTexel/s
Texture Rate
33.60 GTexel/s
93.24 TFLOPS
FP16 (half)
-
93.24 TFLOPS
FP32 (float)
1344 GFLOPS
1457 GFLOPS
FP64 (double)
-
Board Design
600W
TDP
150W
1000 W
Suggested PSU
450 W
1x HDMI 2.1
3x DisplayPort 1.4a
3x DisplayPort 1.4a
Outputs
2x DVI
1x HDMI 1.3a
1x DisplayPort 1.1
1x HDMI 1.3a
1x DisplayPort 1.1
2x 16-pin
Power Connectors
2x 6-pin
Graphics Processor
AD102
GPU Name
Barts
AD102-400-A1
GPU Variant
Barts LE
(215-0798002)
(215-0798002)
Ada Lovelace
Architecture
TeraScale 2
TSMC
Foundry
TSMC
5 nm
Process Size
40 nm
76.3 billion
Transistors
1.7 billion
609 mm²
Die Size
255 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.3
Vulkan
N/A
8.9
CUDA
-
6.7
Shader Model
5.0
