AMD Radeon HD 7790 vs AMD Radeon Instinct MI355X

GPU Specs Compare

Graphics Card

Release Date
Mar 2013
Jun 2025
Generation
Southern Islands
Radeon Instinct
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16

Clock Speeds

Memory Clock
1500 MHz
2000 MHz
Base Clock
-
1000 MHz
Boost Clock
-
2400 MHz

Memory

Memory Size
1024MB
288GB
Memory Type
GDDR5
HBM3e
Memory Bus
128bit
8192bit
Bandwidth
96.00GB/s
8.19TB/s

Render Config

Compute Units
14
256
Shading Units
896
16384
TMUs
56
1024
ROPs
16
0
L1 Cache
16 KB (per CU)
32 KB (per CU)
L2 Cache
256 KB
32 MB
Tensor Cores
-
1216
L3 Cache
-
256 MB

Theoretical Performance

Pixel Rate
16.00 GPixel/s
0 MPixel/s
Texture Rate
56.00 GTexel/s
2457.6 GTexel/s
FP32 (float)
1.792 TFLOPS
78.64 TFLOPS
FP64 (double)
112.0 GFLOPS
39.32 TFLOPS
FP16 (half)
-
78.64 TFLOPS

Graphics Processor

GPU Name
Bonaire
MI350 256CU
GPU Variant
Bonaire XT(215-0839039)
-
Architecture
GCN 2.0
CDNA 4.0
Foundry
TSMC
TSMC
Process Size
28 nm
3 nm
Transistors
2.08 billion
185 billion
Die Size
160 mm²
Unknown

Board Design

TDP
85W
1400W
Suggested PSU
250 W
1800 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin
None

Graphics Features

DirectX
12 (12_0)
N/A
OpenGL
4.6
N/A
OpenCL
2.0
3.0
Vulkan
1.2
N/A
Shader Model
6.3
N/A

📊 Benchmark

3DMark Time Spy
1,307
-
3DMark Time Spy Extreme
409
-