GPU Comparison
GEFORCE
NVIDIA RTX A400
CORE STATE
GA107
VRAM
4 GB
CLOCK SPEED
1762 MHz
TDP
50 W
BUS WIDTH
64 bit
ARCHITECTURE
Ampere
PROCESS
8 nm
LAUNCH DATE
2024
VS
GEFORCE
Tesla K20m
CORE STATE
GK110
VRAM
5 GB
CLOCK SPEED
—
TDP
225 W
BUS WIDTH
320 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
RTX A400
Tesla K20m
Core Specs
Shading Units
768
2,496
+225.0%
Shaders
768
2,496
+225.0%
TMUs
24
208
+766.7%
ROPs
16
40
+150.0%
SM Count
6
—
Clocks
Base Clock
1417 MHz
—
Boost Clock
1762 MHz
—
GPU Clock
—
706 MHz
Memory Clock
1500 MHz
12 Gbps effective
1300 MHz
5.2 Gbps effective
Memory
Memory Size
4 GB
5 GB
VRAM (MB)
4,096
5,120
+25.0%
Memory Type
GDDR6
GDDR5
Memory Bus
64 bit
320 bit
Bandwidth
96.00 GB/s
208.0 GB/s
Cache
L1 Cache
128 KB (per SM)
16 KB (per SMX)
L2 Cache
2 MB
1280 KB
Performance
Pixel Rate
28.19 GPixel/s
36.71 GPixel/s
Texture Rate
42.29 GTexel/s
146.8 GTexel/s
FP32 (TFLOPS)
2.706 TFLOPS
3.524 TFLOPS
FP64 (TFLOPS)
42.29 GFLOPS (1:64)
1,174.8 GFLOPS (1:3)
FP16 (TFLOPS)
2.706 TFLOPS (1:1)
—
AI/RT
RT Cores
6
—
Tensor Cores
24
—
Power
TDP
50 W
225 W
TDP (W)
50
225
+350.0%
Suggested PSU
250 W
550 W
Power Connectors
None
1x 6-pin + 1x 8-pin
Architecture
Architecture
Ampere
Kepler
GPU Name
GA107
GK110
Generation
Workstation Ampere
(Ax000)
Tesla Kepler
(Kxx)
Process Size
8 nm
28 nm
Transistors
8,700 million
7,080 million
Die Size
200 mm²
561 mm²
Foundry
Samsung
TSMC
Density
43.5M / mm²
12.6M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.4
1.2.175
OpenCL
3.0
3.0
CUDA
8.6
3.5
Shader Model
6.8
6.5 (5.1)
Physical
Slot Width
Single-slot
Dual-slot
Length
163 mm
6.4 inches
267 mm
10.5 inches
Height
69 mm
2.7 inches
—
Outputs
4x mini-DisplayPort 1.4a
No outputs
Bus Interface
PCIe 4.0 x8
PCIe 2.0 x16
Other
Launch Price
—
3,199 USD
Production
Active
End-of-life
Predecessor
Quadro Turing
Tesla Fermi
Successor
Workstation Ada
Tesla Maxwell