GPU Comparison
GEFORCE
NVIDIA 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
VS
GEFORCE
Tesla M40
CORE STATE
GM200
VRAM
12 GB
CLOCK SPEED
1112 MHz
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_opencl
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
RTX A4000
Tesla M40
Core Specs
Shading Units
6,144
3,072
-50.0%
Shaders
6,144
3,072
-50.0%
TMUs
192
192
0.0%
ROPs
96
96
0.0%
SM Count
48
—
Clocks
Base Clock
735 MHz
948 MHz
Boost Clock
1560 MHz
1112 MHz
Memory Clock
1750 MHz
14 Gbps effective
1502 MHz
6 Gbps effective
Memory
Memory Size
16 GB
12 GB
VRAM (MB)
16,384
12,288
-25.0%
Memory Type
GDDR6
GDDR5
Memory Bus
256 bit
384 bit
Bandwidth
448.0 GB/s
288.4 GB/s
Cache
L1 Cache
128 KB (per SM)
48 KB (per SMM)
L2 Cache
4 MB
3 MB
Performance
Pixel Rate
149.8 GPixel/s
106.8 GPixel/s
Texture Rate
299.5 GTexel/s
213.5 GTexel/s
FP32 (TFLOPS)
19.17 TFLOPS
6.832 TFLOPS
FP64 (TFLOPS)
299.5 GFLOPS (1:64)
213.5 GFLOPS (1:32)
FP16 (TFLOPS)
19.17 TFLOPS (1:1)
—
AI/RT
RT Cores
48
—
Tensor Cores
192
—
Power
TDP
140 W
250 W
TDP (W)
140
250
+78.6%
Suggested PSU
300 W
600 W
Power Connectors
1x 6-pin
8-pin EPS
Architecture
Architecture
Ampere
Maxwell 2.0
GPU Name
GA104
GM200
Generation
Workstation Ampere
(Ax000)
Tesla Maxwell
(Mxx)
Process Size
8 nm
28 nm
Transistors
17,400 million
8,000 million
Die Size
392 mm²
601 mm²
Foundry
Samsung
TSMC
Density
44.4M / mm²
13.3M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
3.0
3.0
CUDA
8.6
5.2
Shader Model
6.8
6.8
Physical
Slot Width
Single-slot
Dual-slot
Length
241 mm
9.5 inches
267 mm
10.5 inches
Height
112 mm
4.4 inches
—
Outputs
4x DisplayPort 1.4a
No outputs
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Quadro Turing
Tesla Kepler
Successor
Workstation Ada
Tesla Pascal