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GPU Comparison
NVIDIA L20 vs AMD Radeon HD 6870 X2
NVIDIA L20 vs AMD Radeon HD 6870 X2
VS
NVIDIA L20
AMD Radeon HD 6870 X2
We compared two Desktop platform GPUs: 48GB VRAM L20 and 1024MB VRAM Radeon HD 6870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA L20 's Advantages
Released 12 years and 4 months late
Boost Clock2520MHz
More VRAM (48GB vs 1GB)
Larger VRAM bandwidth (864.0GB/s vs 134.4GB/s)
10656 additional rendering cores
Lower TDP (275W vs 300W)
Score
Benchmark
FP32 (float)
L20
+2843%
59.35 TFLOPS
Radeon HD 6870 X2
2.016 TFLOPS
L20
VS
Radeon HD 6870 X2
Graphics Card
Nov 2023
Release Date
Jul 2011
Tesla Ada
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1440 MHz
Base Clock
-
2520 MHz
Boost Clock
-
2250 MHz
Memory Clock
1050 MHz
Memory
48GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
384bit
Memory Bus
256bit
864.0GB/s
Bandwidth
134.4GB/s
Render Config
92
SM Count
-
-
Compute Units
14
11776
Shading Units
1120
368
TMUs
56
128
ROPs
32
368
Tensor Cores
-
92
RT Cores
-
128 KB (per SM)
L1 Cache
8 KB (per CU)
96 MB
L2 Cache
512 KB
Theoretical Performance
322.6 GPixel/s
Pixel Rate
28.80 GPixel/s
927.4 GTexel/s
Texture Rate
50.40 GTexel/s
59.35 TFLOPS
FP16 (half)
-
59.35 TFLOPS
FP32 (float)
2.016 TFLOPS
927.4 GFLOPS
FP64 (double)
-
Graphics Processor
AD102
GPU Name
Barts
AD102
GPU Variant
Barts XT (215-0798000)
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
Board Design
275W
TDP
300W
600 W
Suggested PSU
700 W
4x DisplayPort 1.4a
Outputs
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
1x 16-pin
Power Connectors
-
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
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