GPU Comparison
GEFORCE
NVIDIA Quadro K4000
CORE STATE
GK106
VRAM
3 GB
CLOCK SPEED
—
TDP
80 W
BUS WIDTH
192 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
VS
GEFORCE
RTX A4000
CORE STATE
GA104
VRAM
16 GB
CLOCK SPEED
1560 MHz
TDP
140 W
BUS WIDTH
256 bit
ARCHITECTURE
Ampere
PROCESS
8 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
Quadro K4000
RTX A4000
Core Specs
Shading Units
768
6,144
+700.0%
Shaders
768
6,144
+700.0%
TMUs
64
192
+200.0%
ROPs
24
96
+300.0%
SM Count
—
48
Clocks
Base Clock
—
735 MHz
Boost Clock
—
1560 MHz
GPU Clock
810 MHz
—
Memory Clock
1404 MHz
5.6 Gbps effective
1750 MHz
14 Gbps effective
Memory
Memory Size
3 GB
16 GB
VRAM (MB)
3,072
16,384
+433.3%
Memory Type
GDDR5
GDDR6
Memory Bus
192 bit
256 bit
Bandwidth
134.8 GB/s
448.0 GB/s
Cache
L1 Cache
16 KB (per SMX)
128 KB (per SM)
L2 Cache
384 KB
4 MB
Performance
Pixel Rate
12.96 GPixel/s
149.8 GPixel/s
Texture Rate
51.84 GTexel/s
299.5 GTexel/s
FP32 (TFLOPS)
1,244.2 GFLOPS
19.17 TFLOPS
FP64 (TFLOPS)
51.84 GFLOPS (1:24)
299.5 GFLOPS (1:64)
FP16 (TFLOPS)
—
19.17 TFLOPS (1:1)
AI/RT
RT Cores
—
48
Tensor Cores
—
192
Power
TDP
80 W
140 W
TDP (W)
80
140
+75.0%
Suggested PSU
250 W
300 W
Power Connectors
1x 6-pin
1x 6-pin
Architecture
Architecture
Kepler
Ampere
GPU Name
GK106
GA104
Generation
Quadro Kepler
(Kx000)
Workstation Ampere
(Ax000)
Process Size
28 nm
8 nm
Transistors
2,540 million
17,400 million
Die Size
221 mm²
392 mm²
Foundry
TSMC
Samsung
Density
11.5M / mm²
44.4M / mm²
API Support
DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.2.175
1.4
OpenCL
3.0
3.0
CUDA
3.0
8.6
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Single-slot
Single-slot
Length
241 mm
9.5 inches
241 mm
9.5 inches
Height
111 mm
4.4 inches
112 mm
4.4 inches
Outputs
1x DVI2x DisplayPort 1.2
4x DisplayPort 1.4a
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Other
Launch Price
1,269 USD
—
Production
End-of-life
End-of-life
Predecessor
Quadro Fermi
Quadro Turing
Successor
Quadro Maxwell
Workstation Ada