Home GPU Comparison AMD Radeon HD 6870 1600SP Edition vs NVIDIA GeForce GT 120 Mac Edition

AMD Radeon HD 6870 1600SP Edition vs NVIDIA GeForce GT 120 Mac Edition

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 1600SP Edition and 512MB VRAM GeForce GT 120 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 1600SP Edition 's Advantages
Released 4 years late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (134.4GB/s vs 25.60GB/s)
1568 additional rendering cores
NVIDIA GeForce GT 120 Mac Edition 's Advantages
Lower TDP (50W vs 175W)

Score

Benchmark

FP32 (float)
Radeon HD 6870 1600SP Edition +2922%
2.72 TFLOPS
GeForce GT 120 Mac Edition
0.09 TFLOPS
VS

Graphics Card

Jan 2013
Release Date
Jan 2009
Northern Islands
Generation
GeForce 100
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1050 MHz
Memory Clock
800 MHz

Memory

1024MB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
128bit
134.4GB/s
Bandwidth
25.60GB/s

Render Config

20
Compute Units
-
-
SM Count
4
1600
Shading Units
32
80
TMUs
16
32
ROPs
8
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
32 KB
-
-
-

Theoretical Performance

27.20 GPixel/s
Pixel Rate
4.400 GPixel/s
68.00 GTexel/s
Texture Rate
8.800 GTexel/s
-
-
-
2.720 TFLOPS
FP32 (float)
89.60 GFLOPS
544.0 GFLOPS
FP64 (double)
-

Board Design

175W
TDP
50W
450 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
Outputs
1x DVI 1x mini-DisplayPort
2x 6-pin
Power Connectors
None

Graphics Processor

Cypress
GPU Name
G96C
Cypress XT (215-0735033)
GPU Variant
-
TeraScale 2
Architecture
Tesla
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
2.154 billion
Transistors
0.314 billion
334 mm²
Die Size
121 mm²

Graphics Features

11.2 (11_0)
DirectX
11.1 (10_0)
4.4
OpenGL
3.3
1.2
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
1.1
5.0
Shader Model
4.0

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