Home GPU Comparison AMD Radeon HD 8990 OEM vs NVIDIA GeForce 8600 GT

AMD Radeon HD 8990 OEM vs NVIDIA GeForce 8600 GT

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8990 OEM and 512MB VRAM GeForce 8600 GT 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 6 years late
Boost Clock1000MHz
More VRAM (3GB vs 512GB)
Larger VRAM bandwidth (288.0GB/s vs 22.40GB/s)
2016 additional rendering cores
NVIDIA GeForce 8600 GT 's Advantages
Lower TDP (47W vs 375W)

Score

Benchmark

FP32 (float)
Radeon HD 8990 OEM +5289%
4.096 TFLOPS
GeForce 8600 GT
0.076 TFLOPS
VS

Graphics Card

Apr 2013
Release Date
Apr 2007
Sea Islands
Generation
GeForce 8
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 1.0 x16

Clock Speeds

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

Memory

3GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
384bit
Memory Bus
128bit
288.0GB/s
Bandwidth
22.40GB/s

Render Config

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

Theoretical Performance

32.00 GPixel/s
Pixel Rate
4.320 GPixel/s
128.0 GTexel/s
Texture Rate
8.640 GTexel/s
-
-
-
4.096 TFLOPS
FP32 (float)
76.16 GFLOPS
1024 GFLOPS
FP64 (double)
-

Board Design

375W
TDP
47W
750 W
Suggested PSU
200 W
1x DVI 4x mini-DisplayPort 1.2
Outputs
2x DVI 1x S-Video
2x 8-pin
Power Connectors
None

Graphics Processor

Malta
GPU Name
G84
Malta XT (215-0849026)
GPU Variant
G84-303-A2
GCN 1.0
Architecture
Tesla
TSMC
Foundry
TSMC
28 nm
Process Size
80 nm
4.313 billion
Transistors
0.289 billion
365 mm²
Die Size
169 mm²

Graphics Features

12 (11_1)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
1.1
5.1
Shader Model
4.0

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