Home GPU Comparison NVIDIA GeForce 8800 GT Mac Edition vs AMD Radeon HD 7870 XT

NVIDIA GeForce 8800 GT Mac Edition vs AMD Radeon HD 7870 XT

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8800 GT Mac Edition and 2GB VRAM Radeon HD 7870 XT 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 185W)
AMD Radeon HD 7870 XT 's Advantages
Released 4 years and 9 months late
Boost Clock975MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (192.0GB/s vs 57.60GB/s)
1424 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce 8800 GT Mac Edition
0.336 TFLOPS
Radeon HD 7870 XT +791%
2.995 TFLOPS
VS

Graphics Card

Feb 2008
Release Date
Nov 2012
GeForce 8
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
925 MHz
-
Boost Clock
975 MHz
900 MHz
Memory Clock
1500 MHz

Memory

512MB
Memory Size
2GB
GDDR3
Memory Type
GDDR5
256bit
Memory Bus
256bit
57.60GB/s
Bandwidth
192.0GB/s

Render Config

-
Compute Units
24
14
SM Count
-
112
Shading Units
1536
56
TMUs
96
16
ROPs
32
-
-
-
-
-
-
-
L1 Cache
16 KB (per CU)
64 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

9.600 GPixel/s
Pixel Rate
31.20 GPixel/s
33.60 GTexel/s
Texture Rate
93.60 GTexel/s
-
-
-
336.0 GFLOPS
FP32 (float)
2.995 TFLOPS
-
FP64 (double)
748.8 GFLOPS

Board Design

125W
TDP
185W
300 W
Suggested PSU
450 W
2x DVI
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
1x 6-pin
Power Connectors
2x 6-pin

Graphics Processor

G92
GPU Name
Tahiti
G92-270-A2
GPU Variant
Tahiti LE (215-0821122)
Tesla
Architecture
GCN 1.0
TSMC
Foundry
TSMC
65 nm
Process Size
28 nm
0.754 billion
Transistors
4.313 billion
324 mm²
Die Size
352 mm²

Graphics Features

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

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