Home GPU Comparison NVIDIA B200 SXM 192 GB vs AMD Radeon RX 7800 XT

NVIDIA B200 SXM 192 GB vs AMD Radeon RX 7800 XT

We compared two Desktop platform GPUs: 192GB VRAM B200 SXM 192 GB and 16GB VRAM Radeon RX 7800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA B200 SXM 192 GB 's Advantages
More VRAM (192GB vs 16GB)
Larger VRAM bandwidth (4100GB/s vs 624.1GB/s)
13056 additional rendering cores
AMD Radeon RX 7800 XT 's Advantages
Boost Clock has increased by 32% (2430MHz vs 1837MHz)
Lower TDP (263W vs 1000W)

Score

Benchmark

FP32 (float)
B200 SXM 192 GB +66%
62.08 TFLOPS
Radeon RX 7800 XT
37.32 TFLOPS
VS

Graphics Card

Jan 2024
Release Date
Aug 2023
Tesla Blackwell
Generation
Navi III
Desktop
Type
Desktop
PCIe 5.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

1665 MHz
Base Clock
1295 MHz
1837 MHz
Boost Clock
2430 MHz
2000 MHz
Memory Clock
2438 MHz

Memory

192GB
Memory Size
16GB
HBM3e
Memory Type
GDDR6
4096bit
Memory Bus
256bit
4100GB/s
Bandwidth
624.1GB/s

Render Config

-
Compute Units
60
132
SM Count
-
16896
Shading Units
3840
528
TMUs
240
24
ROPs
96
528
Tensor Cores
-
-
RT Cores
60
256 KB (per SM)
L1 Cache
128 KB per Array
50 MB
L2 Cache
4 MB
-
L3 Cache
64 MB

Theoretical Performance

44.09 GPixel/s
Pixel Rate
233.3 GPixel/s
969.9 GTexel/s
Texture Rate
583.2 GTexel/s
248.3 TFLOPS
FP16 (half)
74.65 TFLOPS
62.08 TFLOPS
FP32 (float)
37.32 TFLOPS
31.04 TFLOPS
FP64 (double)
1166 GFLOPS

Board Design

1000W
TDP
263W
1400 W
Suggested PSU
600 W
No outputs
Outputs
1x HDMI 2.1a 3x DisplayPort 2.1
-
Power Connectors
2x 8-pin

Graphics Processor

GB100
GPU Name
Navi 32
-
GPU Variant
Navi 32 XT (215-180000006)
Blackwell
Architecture
RDNA 3.0
TSMC
Foundry
TSMC
5 nm
Process Size
5 nm
208 billion
Transistors
28.1 billion
Unknown
Die Size
346 mm²

Graphics Features

N/A
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
3.0
OpenCL
2.2
N/A
Vulkan
1.3
9.0
CUDA
-
N/A
Shader Model
6.7

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