AMD Radeon HD 6870 X2 vs NVIDIA L20
GPU Specs Compare
Graphics Card
Release Date
Jul 2011
Nov 2023
Generation
Northern Islands
Server Ada
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1050 MHz
2250 MHz
Base Clock
-
1440 MHz
Boost Clock
-
2520 MHz
Memory
Memory Size
1024MB
48GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
384bit
Bandwidth
134.4GB/s
864.0GB/s
Render Config
Compute Units
14
-
Shading Units
1120
11776
TMUs
56
368
ROPs
32
128
L1 Cache
8 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
96 MB
SM Count
-
92
Tensor Cores
-
368
RT Cores
-
92
Theoretical Performance
Pixel Rate
28.80 GPixel/s
322.6 GPixel/s
Texture Rate
50.40 GTexel/s
927.4 GTexel/s
FP32 (float)
2.016 TFLOPS
59.35 TFLOPS
FP16 (half)
-
59.35 TFLOPS
FP64 (double)
-
927.4 GFLOPS
Graphics Processor
GPU Name
Barts
AD102
GPU Variant
Barts XT(215-0798000)
AD102
Architecture
TeraScale 2
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
40 nm
5 nm
Transistors
1.7 billion
76.3 billion
Die Size
255 mm²
609 mm²
Board Design
TDP
300W
275W
Suggested PSU
700 W
600 W
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
4x DisplayPort 1.4a
Power Connectors
-
1x 16-pin
Graphics Features
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenGL
4.4
4.6
OpenCL
1.2
3.0
Vulkan
N/A
1.4
Shader Model
5.0
6.9
CUDA
-
8.9