NVIDIA GeForce RTX 4090 vs AMD Radeon HD 6970 X2
We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 2GB VRAM Radeon HD 6970 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 4090 's Advantages
Boost Clock2520MHz
More VRAM (24GB vs 2GB)
Larger VRAM bandwidth (1.01TB/s vs 176.0GB/s)
14848 additional rendering cores
AMD Radeon HD 6970 X2 's Advantages
Lower TDP (375W vs 450W)
Score
Benchmark
FP32 (float)
GeForce RTX 4090
+2955%
82.58 TFLOPS
Radeon HD 6970 X2
2.703 TFLOPS
Graphics Card
Sep 2022
Release Date
Unknown
GeForce 40
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
2235 MHz
Base Clock
-
2520 MHz
Boost Clock
-
1313 MHz
Memory Clock
1375 MHz
Memory
24GB
Memory Size
2GB
GDDR6X
Memory Type
GDDR5
384bit
Memory Bus
256bit
1.01TB/s
Bandwidth
176.0GB/s
Render Config
-
Compute Units
24
128
SM Count
-
16384
Shading Units
1536
512
TMUs
96
176
ROPs
32
512
Tensor Cores
-
128
RT Cores
-
128 KB (per SM)
L1 Cache
8 KB (per CU)
72 MB
L2 Cache
512 KB
-
-
-
Theoretical Performance
443.5 GPixel/s
Pixel Rate
28.16 GPixel/s
1290 GTexel/s
Texture Rate
84.48 GTexel/s
82.58 TFLOPS
FP16 (half)
-
82.58 TFLOPS
FP32 (float)
2.703 TFLOPS
1290 GFLOPS
FP64 (double)
-
Board Design
450W
TDP
375W
850 W
Suggested PSU
750 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
2x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
1x 16-pin
Power Connectors
3x 8-pin
Graphics Processor
AD102
GPU Name
Antilles
AD102-300-A1
GPU Variant
Antilles XT
(215-0807027)
Ada Lovelace
Architecture
TeraScale 3
TSMC
Foundry
TSMC
5 nm
Process Size
40 nm
76.3 billion
Transistors
2.64 billion
609 mm²
Die Size
389 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
-
6.8
Shader Model
5.0
