AMD Radeon HD 7850 vs AMD Radeon Instinct MI355X
GPU · Specs Compare
Graphics Card
Release Date
Mar 2012
Jun 2025
Generation
Southern Islands
Radeon Instinct
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Memory Clock
1200 MHz
2000 MHz
Base Clock
—
1000 MHz
Boost Clock
—
2400 MHz
Memory
Memory Size
2GB
288GB
Memory Type
GDDR5
HBM3e
Memory Bus
256bit
8192bit
Bandwidth
153.6GB/s
8.19TB/s
Render Config
Compute Units
16
256
Shading Units
1024
16384
TMUs
64
1024
ROPs
32
0
L1 Cache
16 KB (per CU)
32 KB (per CU)
L2 Cache
512 KB
32 MB
Tensor Cores
—
1216
L3 Cache
—
256 MB
Theoretical Performance
Pixel Rate
27.52 GPixel/s
0 MPixel/s
Texture Rate
55.04 GTexel/s
2457.6 GTexel/s
FP32 (float)
1.761 TFLOPS
78.64 TFLOPS
FP64 (double)
110.1 GFLOPS
39.32 TFLOPS
FP16 (half)
—
78.64 TFLOPS
Graphics Processor
GPU Name
Pitcairn
MI350 256CU
GPU Variant
Pitcairn PRO(215-0828062)
—
Architecture
GCN 1.0
CDNA 4.0
Foundry
TSMC
TSMC
Process Size
28 nm
3 nm
Transistors
2.8 billion
185 billion
Die Size
212 mm²
Unknown
Board Design
TDP
130W
1400W
Suggested PSU
300 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 (11_1)
N/A
OpenGL
4.6
N/A
OpenCL
1.2
3.0
Vulkan
1.2
N/A
Shader Model
5.1
N/A
Benchmark
3DMark Time Spy
1,334
—
3DMark Time Spy Extreme
325
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.