NVIDIA GeForce RTX 4080 12 GB vs AMD Radeon HD 6850 X2
GPU · Specs Compare
Graphics Card
Release Date
Unknown
Sep 2011
Generation
GeForce 40
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
2310 MHz
—
Boost Clock
2610 MHz
—
Memory Clock
1313 MHz
1050 MHz
Memory
Memory Size
12GB
2GB
Memory Type
GDDR6X
GDDR5
Memory Bus
192bit
256bit
Bandwidth
504.2GB/s
134.4GB/s
Render Config
SM Count
60
—
Shading Units
7680
960
TMUs
240
48
ROPs
80
32
Tensor Cores
240
—
RT Cores
60
—
L1 Cache
128 KB (per SM)
8 KB (per CU)
L2 Cache
48 MB
512 KB
Compute Units
—
12
Theoretical Performance
Pixel Rate
208.8 GPixel/s
25.60 GPixel/s
Texture Rate
626.4 GTexel/s
38.40 GTexel/s
FP16 (half)
40.09 TFLOPS
—
FP32 (float)
40.09 TFLOPS
1.536 TFLOPS
FP64 (double)
626.4 GFLOPS
—
Graphics Processor
GPU Name
AD104
Barts
GPU Variant
AD104-400-A1
Barts PRO(215-0798006)
Architecture
Ada Lovelace
TeraScale 2
Foundry
TSMC
TSMC
Process Size
4 nm
40 nm
Transistors
35.8 billion
1.7 billion
Die Size
295 mm²
255 mm²
Board Design
TDP
285W
254W
Suggested PSU
600 W
600 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
Power Connectors
1x 16-pin
2x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
3.0
1.2
Vulkan
1.3
N/A
CUDA
8.9
—
Shader Model
6.6
5.0
Benchmark
Blender
9,224
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.