GPU Comparison
GEFORCE
NVIDIA B200
CORE STATE
GB100
VRAM
90 GB
CLOCK SPEED
1965 MHz
TDP
1000 W
BUS WIDTH
4096 bit
ARCHITECTURE
Blackwell
PROCESS
5 nm
LAUNCH DATE
—
VS
GEFORCE
RTX A4500
CORE STATE
GA102
VRAM
20 GB
CLOCK SPEED
1650 MHz
TDP
200 W
BUS WIDTH
320 bit
ARCHITECTURE
Ampere
PROCESS
8 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_opencl
3dmark_3dmark_steel_nomad_dx12
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
B200
RTX A4500
Core Specs
Shading Units
18,944
7,168
-62.2%
Shaders
18,944
7,168
-62.2%
TMUs
592
224
-62.2%
ROPs
24
96
+300.0%
SM Count
148
56
-62.2%
Clocks
Base Clock
700 MHz
1050 MHz
Boost Clock
1965 MHz
1650 MHz
Memory Clock
2000 MHz
8 Gbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
90 GB
20 GB
VRAM (MB)
92,160
20,480
-77.8%
Memory Type
HBM3e
GDDR6
Memory Bus
4096 bit
320 bit
Bandwidth
4.10 TB/s
640.0 GB/s
Cache
L1 Cache
256 KB (per SM)
128 KB (per SM)
L2 Cache
50 MB
6 MB
Performance
Pixel Rate
47.16 GPixel/s
158.4 GPixel/s
Texture Rate
1,163.3 GTexel/s
369.6 GTexel/s
FP32 (TFLOPS)
74.45 TFLOPS
23.65 TFLOPS
FP64 (TFLOPS)
37.22 TFLOPS (1:2)
369.6 GFLOPS (1:64)
FP16 (TFLOPS)
1,191.2 TFLOPS (16:1)
23.65 TFLOPS (1:1)
AI/RT
RT Cores
—
56
Tensor Cores
592
224
-62.2%
Power
TDP
1000 W
200 W
TDP (W)
1,000
200
-80.0%
Suggested PSU
1400 W
550 W
Power Connectors
—
1x 8-pin
Architecture
Architecture
Blackwell
Ampere
GPU Name
GB100
GA102
Generation
Server Blackwell
(Bxx)
Workstation Ampere
(Ax000)
Process Size
5 nm
8 nm
Transistors
104,000 million
28,300 million
Die Size
—
628 mm²
Foundry
TSMC
Samsung
Density
—
45.1M / mm²
API Support
DirectX
—
12 Ultimate (12_2)
OpenGL
—
4.6
Vulkan
—
1.4
OpenCL
3.0
3.0
CUDA
10.0
8.6
Shader Model
—
6.8
Physical
Slot Width
SXM Module
Dual-slot
Length
—
267 mm
10.5 inches
Height
—
112 mm
4.4 inches
Outputs
No outputs
4x DisplayPort 1.4a
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Other
Production
Active
End-of-life
Predecessor
Server Hopper
Quadro Turing
Successor
Server Rubin
Workstation Ada