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GPU Comparison
NVIDIA GeForce RTX 4080 16 GB vs AMD Radeon HD 6850 X2
NVIDIA GeForce RTX 4080 16 GB vs AMD Radeon HD 6850 X2
VS
NVIDIA GeForce RTX 4080 16 GB
AMD Radeon HD 6850 X2
We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 16 GB and 2GB VRAM Radeon HD 6850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 4080 16 GB 's Advantages
Released 11 years late
Boost Clock2505MHz
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (716.8GB/s vs 134.4GB/s)
8768 additional rendering cores
AMD Radeon HD 6850 X2 's Advantages
Lower TDP (254W vs 320W)
Score
Benchmark
FP32 (float)
GeForce RTX 4080 16 GB
+3073%
48.74 TFLOPS
Radeon HD 6850 X2
1.536 TFLOPS
GeForce RTX 4080 16 GB
VS
Radeon HD 6850 X2
Graphics Card
Sep 2022
Release Date
Sep 2011
GeForce 40
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
2205 MHz
Base Clock
-
2505 MHz
Boost Clock
-
1400 MHz
Memory Clock
1050 MHz
Memory
16GB
Memory Size
2GB
GDDR6X
Memory Type
GDDR5
256bit
Memory Bus
256bit
716.8GB/s
Bandwidth
134.4GB/s
Render Config
76
SM Count
-
-
Compute Units
12
9728
Shading Units
960
304
TMUs
48
112
ROPs
32
304
Tensor Cores
-
76
RT Cores
-
128 KB (per SM)
L1 Cache
8 KB (per CU)
64 MB
L2 Cache
512 KB
Theoretical Performance
280.6 GPixel/s
Pixel Rate
25.60 GPixel/s
761.5 GTexel/s
Texture Rate
38.40 GTexel/s
48.74 TFLOPS
FP16 (half)
-
48.74 TFLOPS
FP32 (float)
1.536 TFLOPS
761.5 GFLOPS
FP64 (double)
-
Graphics Processor
AD103
GPU Name
Barts
AD103-300-A1
GPU Variant
Barts PRO (215-0798006)
Ada Lovelace
Architecture
TeraScale 2
TSMC
Foundry
TSMC
4 nm
Process Size
40 nm
45.9 billion
Transistors
1.7 billion
379 mm²
Die Size
255 mm²
Board Design
320W
TDP
254W
700 W
Suggested PSU
600 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
1x 16-pin
Power Connectors
2x 8-pin
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
-
6.6
Shader Model
5.0
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