Radeon Pro Duo Polaris vs GeForce 8400 GS PCI
We compared two Desktop platform GPUs: 16GB VRAM Radeon Pro Duo Polaris and 512MB VRAM GeForce 8400 GS PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon Pro Duo Polaris 's Advantages
Released 9 years and 4 months late
More VRAM (16GB vs 512GB)
Larger VRAM bandwidth (224.0GB/s vs 5.328GB/s)
2296 additional rendering cores
GeForce 8400 GS PCI 's Advantages
Lower TDP (25W vs 250W)
Score
Benchmark
FP32 (float)
Radeon Pro Duo Polaris
+25936%
5728
GeForce 8400 GS PCI
22
Graphics Card
Apr 2017
Release Date
Dec 2007
Radeon Pro GCN
Generation
GeForce 8
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCI
Clock Speeds
1750 MHz
Memory Clock
333 MHz
Memory
16GB
Memory Size
512MB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
64bit
224.0GB/s
Bandwidth
5.328GB/s
Render Config
36
Compute Units
-
-
SM Count
1
2304
Shading Units
8
144
TMUs
4
32
ROPs
4
16 KB (per CU)
L1 Cache
-
2 MB
L2 Cache
16 KB
Theoretical Performance
39.78 GPixel/s
Pixel Rate
2.268 GPixel/s
179.0 GTexel/s
Texture Rate
2.268 GTexel/s
5.728 TFLOPS
FP16 (half)
-
5.728 TFLOPS
FP32 (float)
22.40 GFLOPS
358.0 GFLOPS
FP64 (double)
-
Board Design
250W
TDP
25W
600 W
Suggested PSU
200 W
1x HDMI 2.0b
3x DisplayPort 1.4a
Outputs
1x S-Video
1x DMS-59
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
Ellesmere
GPU Name
G98
Ellesmere Gemini GL
GPU Variant
G98-400-U2
GCN 4.0
Architecture
Tesla
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
65 nm
5.7 billion
Transistors
0.21 billion
232 mm²
Die Size
86 mm²
Graphics Features
12 (12_0)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
2.1
OpenCL
1.1
1.3
Vulkan
N/A
-
CUDA
1.1
6.7
Shader Model
4.0