NVIDIA Tesla K8 vs NVIDIA RTX A4000
GPU · Specs Compare
Graphics Card
Release Date
Sep 2014
Apr 2021
Generation
Tesla
Quadro Ampere
Type
Professional
Professional
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
693 MHz
735 MHz
Boost Clock
811 MHz
1560 MHz
Memory Clock
1250 MHz
1750 MHz
Memory
Memory Size
8GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
256bit
Bandwidth
160.0GB/s
448.0GB/s
Render Config
Shading Units
1536
6144
TMUs
128
192
ROPs
32
96
L1 Cache
16 KB (per SMX)
128 KB (per SM)
L2 Cache
512 KB
4 MB
SM Count
—
48
Tensor Cores
—
192
RT Cores
—
48
Theoretical Performance
Pixel Rate
25.95 GPixel/s
149.8 GPixel/s
Texture Rate
103.8 GTexel/s
299.5 GTexel/s
FP32 (float)
2.491 TFLOPS
19.17 TFLOPS
FP64 (double)
103.8 GFLOPS
299.5 GFLOPS
FP16 (half)
—
19.17 TFLOPS
Graphics Processor
GPU Name
GK104
GA104
Architecture
Kepler
Ampere
Foundry
TSMC
Samsung
Process Size
28 nm
8 nm
Transistors
3.54 billion
17.4 billion
Die Size
294 mm²
392 mm²
GPU Variant
—
GA104-875-A1
Board Design
TDP
100W
140W
Suggested PSU
300 W
300 W
Outputs
No outputs
4x DisplayPort 1.4a
Power Connectors
1x 6-pin
1x 6-pin
Graphics Features
DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.3
CUDA
3.0
8.6
Shader Model
5.1
6.7
Benchmark
3DMark Time Spy
—
11,079
3DMark Time Spy Extreme
—
5,367
OctaneBench
—
352
▲ Specs Compare
Data sourced from official specifications and benchmark tests.