AMD Radeon HD 7850 vs AMD Radeon 780M
GPU · Specs Compare
Graphics Card
Release Date
Mar 2012
Jan 2023
Generation
Southern Islands
Navi III IGP
Type
Desktop
Integrated
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Memory Clock
1200 MHz
System Shared
Base Clock
—
800 MHz
Boost Clock
—
2700 MHz
Memory
Memory Size
2GB
System Shared
Memory Type
GDDR5
System Shared
Memory Bus
256bit
System Shared
Bandwidth
153.6GB/s
System Dependent
Render Config
Compute Units
16
12
Shading Units
1024
768
TMUs
64
48
ROPs
32
32
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
512 KB
2 MB
RT Cores
—
12
Theoretical Performance
Pixel Rate
27.52 GPixel/s
86.40 GPixel/s
Texture Rate
55.04 GTexel/s
129.6 GTexel/s
FP32 (float)
1.761 TFLOPS
8.294 TFLOPS
FP64 (double)
110.1 GFLOPS
518.4 GFLOPS
FP16 (half)
—
16.59 TFLOPS
Graphics Processor
GPU Name
Pitcairn
Phoenix
GPU Variant
Pitcairn PRO(215-0828062)
—
Architecture
GCN 1.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
4 nm
Transistors
2.8 billion
25.39 billion
Die Size
212 mm²
178 mm²
Board Design
TDP
130W
15W
Suggested PSU
300 W
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Portable Device Dependent
Power Connectors
1x 6-pin
None
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.3
Shader Model
5.1
6.7
Benchmark
3DMark Time Spy
1,334
2,775
3DMark Time Spy Extreme
325
1,324
3DMark Speed Way
—
458
Blender
—
350
▲ Specs Compare
Data sourced from official specifications and benchmark tests.