Home GPU Comparison ATI Radeon HD 4855 vs NVIDIA GeForce GT 120 OEM

ATI Radeon HD 4855 vs NVIDIA GeForce GT 120 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4855 and 512MB VRAM GeForce GT 120 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4855 's Advantages
Released 10 months late
Larger VRAM bandwidth (115.2GB/s vs 16.13GB/s)
608 additional rendering cores
NVIDIA GeForce GT 120 OEM 's Advantages
Lower TDP (50W vs 110W)

Score

Benchmark

FP32 (float)
Radeon HD 4855 +523%
0.736 TFLOPS
GeForce GT 120 OEM
0.118 TFLOPS
VS

Graphics Card

Jan 2010
Release Date
Mar 2009
Radeon R700
Generation
GeForce 100
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
Base Clock
-
-
Boost Clock
-
900 MHz
Memory Clock
504 MHz

Memory

512MB
Memory Size
512MB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
128bit
115.2GB/s
Bandwidth
16.13GB/s

Render Config

-
SM Count
4
8
Compute Units
-
640
Shading Units
32
32
TMUs
16
16
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
32 KB

Theoretical Performance

9.200 GPixel/s
Pixel Rate
5.904 GPixel/s
18.40 GTexel/s
Texture Rate
11.81 GTexel/s
-
FP16 (half)
-
736.0 GFLOPS
FP32 (float)
117.5 GFLOPS
147.2 GFLOPS
FP64 (double)
-

Graphics Processor

RV770
GPU Name
G96C
RV770 PRO (215-0669065)
GPU Variant
-
TeraScale
Architecture
Tesla
TSMC
Foundry
TSMC
55 nm
Process Size
55 nm
0.956 billion
Transistors
0.314 billion
256 mm²
Die Size
121 mm²

Board Design

110W
TDP
50W
300 W
Suggested PSU
250 W
1x DVI 1x HDMI 1.3a 1x VGA
Outputs
1x DVI 1x VGA 1x S-Video
1x 6-pin
Power Connectors
None

Graphics Features

10.1 (10_1)
DirectX
11.1 (10_0)
3.3
OpenGL
3.3
1.1
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
1.1
4.1
Shader Model
4.0

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