GPU Comparison
GEFORCE
NVIDIA GeForce RTX 4090
CORE STATE
AD102
VRAM
24 GB
CLOCK SPEED
2520 MHz
TDP
450 W
BUS WIDTH
384 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2022
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
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 4090
RTX A4000
Core Specs
Shading Units
16,384
6,144
-62.5%
Shaders
16,384
6,144
-62.5%
TMUs
512
192
-62.5%
ROPs
176
96
-45.5%
SM Count
128
48
-62.5%
Clocks
Base Clock
2235 MHz
735 MHz
Boost Clock
2520 MHz
1560 MHz
Memory Clock
1313 MHz
21 Gbps effective
1750 MHz
14 Gbps effective
Memory
Memory Size
24 GB
16 GB
VRAM (MB)
24,576
16,384
-33.3%
Memory Type
GDDR6X
GDDR6
Memory Bus
384 bit
256 bit
Bandwidth
1.01 TB/s
448.0 GB/s
Cache
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
72 MB
4 MB
Performance
Pixel Rate
443.5 GPixel/s
149.8 GPixel/s
Texture Rate
1,290.2 GTexel/s
299.5 GTexel/s
FP32 (TFLOPS)
82.58 TFLOPS
19.17 TFLOPS
FP64 (TFLOPS)
1,290.2 GFLOPS (1:64)
299.5 GFLOPS (1:64)
FP16 (TFLOPS)
82.58 TFLOPS (1:1)
19.17 TFLOPS (1:1)
AI/RT
RT Cores
128
48
-62.5%
Tensor Cores
512
192
-62.5%
Power
TDP
450 W
140 W
TDP (W)
450
140
-68.9%
Suggested PSU
850 W
300 W
Power Connectors
1x 16-pin
1x 6-pin
Architecture
Architecture
Ada Lovelace
Ampere
GPU Name
AD102
GA104
Generation
GeForce 40
Workstation Ampere
(Ax000)
Process Size
5 nm
8 nm
Transistors
76,300 million
17,400 million
Die Size
609 mm²
392 mm²
Foundry
TSMC
Samsung
Density
125.3M / mm²
44.4M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
3.0
3.0
CUDA
8.9
8.6
Shader Model
6.8
6.8
Physical
Slot Width
Triple-slot
Single-slot
Length
304 mm
12 inches
241 mm
9.5 inches
Height
137 mm
5.4 inches
112 mm
4.4 inches
Outputs
1x HDMI 2.13x DisplayPort 1.4a
4x DisplayPort 1.4a
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Other
Launch Price
1,599 USD
—
Production
End-of-life
End-of-life
Predecessor
GeForce 30
Quadro Turing
Successor
GeForce 50
Workstation Ada