NVIDIA GeForce 8800 GT Mac Edition vs AMD Radeon R9 390
We compared two Desktop platform GPUs: 512MB VRAM GeForce 8800 GT Mac Edition and 8GB VRAM Radeon R9 390 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 8800 GT Mac Edition 's Advantages
Lower TDP (125W vs 275W)
AMD Radeon R9 390 's Advantages
Released 7 years and 4 months late
More VRAM (8GB vs 512GB)
Larger VRAM bandwidth (384.0GB/s vs 57.60GB/s)
2448 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 8800 GT Mac Edition
0.336 TFLOPS
Radeon R9 390
+1423%
5.12 TFLOPS
Graphics Card
Feb 2008
Release Date
Jun 2015
GeForce 8
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
-
-
-
-
-
900 MHz
Memory Clock
1500 MHz
Memory
512MB
Memory Size
8GB
GDDR3
Memory Type
GDDR5
256bit
Memory Bus
512bit
57.60GB/s
Bandwidth
384.0GB/s
Render Config
-
Compute Units
40
14
SM Count
-
112
Shading Units
2560
56
TMUs
160
16
ROPs
64
-
-
-
-
-
-
-
L1 Cache
16 KB (per CU)
64 KB
L2 Cache
1024 KB
-
-
-
Theoretical Performance
9.600 GPixel/s
Pixel Rate
64.00 GPixel/s
33.60 GTexel/s
Texture Rate
160.0 GTexel/s
-
-
-
336.0 GFLOPS
FP32 (float)
5.120 TFLOPS
-
FP64 (double)
640.0 GFLOPS
Board Design
125W
TDP
275W
300 W
Suggested PSU
600 W
2x DVI
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
G92
GPU Name
Grenada
G92-270-A2
GPU Variant
Grenada PRO
(215-0880030)
Tesla
Architecture
GCN 2.0
TSMC
Foundry
TSMC
65 nm
Process Size
28 nm
0.754 billion
Transistors
6.2 billion
324 mm²
Die Size
438 mm²
Graphics Features
11.1 (10_0)
DirectX
12 (12_0)
3.3
OpenGL
4.6
1.1
OpenCL
2.0
N/A
Vulkan
1.2
1.1
CUDA
-
4.0
Shader Model
6.3
