Home GPU Comparison AMD Radeon HD 8990 OEM vs NVIDIA GeForce 8400 GS Rev. 3

AMD Radeon HD 8990 OEM vs NVIDIA GeForce 8400 GS Rev. 3

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8990 OEM and 512MB VRAM GeForce 8400 GS Rev. 3 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8990 OEM 's Advantages
Released 2 years and 9 months late
Boost Clock1000MHz
Larger VRAM bandwidth (288.0GB/s vs 6.400GB/s)
2040 additional rendering cores
NVIDIA GeForce 8400 GS Rev. 3 's Advantages
Lower TDP (25W vs 375W)

Score

Benchmark

FP32 (float)
Radeon HD 8990 OEM +20380%
4.096 TFLOPS
GeForce 8400 GS Rev. 3
0.02 TFLOPS
VS

Graphics Card

Apr 2013
Release Date
Jul 2010
Sea Islands
Generation
GeForce 8
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

950 MHz
Base Clock
-
1000 MHz
Boost Clock
-
1500 MHz
Memory Clock
400 MHz

Memory

3GB
Memory Size
512MB
GDDR5
Memory Type
DDR2
384bit
Memory Bus
64bit
288.0GB/s
Bandwidth
6.400GB/s

Render Config

-
SM Count
1
32
Compute Units
-
2048
Shading Units
8
128
TMUs
4
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
-
768 KB
L2 Cache
32 KB

Theoretical Performance

32.00 GPixel/s
Pixel Rate
2.080 GPixel/s
128.0 GTexel/s
Texture Rate
2.080 GTexel/s
-
FP16 (half)
-
4.096 TFLOPS
FP32 (float)
19.68 GFLOPS
1024 GFLOPS
FP64 (double)
-

Graphics Processor

Malta
GPU Name
GT218
Malta XT (215-0849026)
GPU Variant
8400GS-225-B1
GCN 1.0
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
4.313 billion
Transistors
0.26 billion
365 mm²
Die Size
57 mm²

Board Design

375W
TDP
25W
750 W
Suggested PSU
200 W
1x DVI 4x mini-DisplayPort 1.2
Outputs
1x DVI 1x VGA 1x S-Video
2x 8-pin
Power Connectors
None

Graphics Features

12 (11_1)
DirectX
11.1 (10_1)
4.6
OpenGL
3.3
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
1.2
5.1
Shader Model
4.1

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