GeForce 8400 SE vs Radeon HD 3870
We compared two Desktop platform GPUs: 128MB VRAM GeForce 8400 SE and 512MB VRAM Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce 8400 SE 's Advantages
Released 9 months late
Lower TDP (50W vs 106W)
Radeon HD 3870 's Advantages
More VRAM (512GB vs 128GB)
Larger VRAM bandwidth (72.06GB/s vs 6.400GB/s)
304 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 8400 SE
29
Radeon HD 3870
+1613%
497
Graphics Card
Aug 2008
Release Date
Nov 2007
GeForce 8
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
400 MHz
Memory Clock
1126 MHz
Memory
128MB
Memory Size
512MB
DDR2
Memory Type
GDDR4
64bit
Memory Bus
256bit
6.400GB/s
Bandwidth
72.06GB/s
Render Config
-
Compute Units
4
2
SM Count
-
16
Shading Units
320
8
TMUs
16
4
ROPs
16
16 KB
L2 Cache
256 KB
Theoretical Performance
1.836 GPixel/s
Pixel Rate
12.43 GPixel/s
3.672 GTexel/s
Texture Rate
12.43 GTexel/s
29.38 GFLOPS
FP32 (float)
497.3 GFLOPS
-
FP64 (double)
99.46 GFLOPS
Board Design
50W
TDP
106W
250 W
Suggested PSU
300 W
1x DVI
1x VGA
1x S-Video
Outputs
2x DVI
1x S-Video
None
Power Connectors
1x 6-pin
Graphics Processor
G86S
GPU Name
RV670
-
GPU Variant
RV670 XT
(215-0708005)
Tesla
Architecture
TeraScale
TSMC
Foundry
TSMC
80 nm
Process Size
55 nm
0.21 billion
Transistors
0.666 billion
127 mm²
Die Size
192 mm²
Graphics Features
11.1 (10_0)
DirectX
10.1 (10_1)
3.3
OpenGL
3.3 (full)
4.0 (partial)
1.1
OpenCL
N/A
N/A
Vulkan
N/A
1.1
CUDA
-
4.0
Shader Model
4.1
