NVIDIA GeForce GTX 285 Mac vs ATI Radeon HD 4830

NVIDIA GeForce GTX 285 Mac $400
ATI Radeon HD 4830 $130
240 Shaders
1GB GDDR3
648MHz
640 Shaders
512MB GDDR4
575MHz
Peak AI Performance
0.71 TOPS
INT32
Peak AI Performance
740 GFLOPS
FP32
FP32
710 GFLOPS
FP32
740 GFLOPS
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
204W
TDP
95W
Power Connectors
2x 6-Pin
Power Connectors
1x 6-Pin

Peak AI Performance

  • 4% slower vs Radeon HD 4830
  • 4% faster vs GeForce GTX 285 Mac
GeForce GTX 285 Mac - 0.71 TOPS INT32
x1
Radeon HD 4830 - 740 GFLOPS FP32
x1.04

FP32

  • 4% slower vs Radeon HD 4830
  • 4% faster vs GeForce GTX 285 Mac
GeForce GTX 285 Mac - 710 GFLOPS FP32
x1
Radeon HD 4830 - 740 GFLOPS FP32
x1.04
  • 2.76x faster vs Radeon HD 4830
  • 64% slower vs GeForce GTX 285 Mac
GeForce GTX 285 Mac - 159GB/s
x2.76
Radeon HD 4830 - 57.6GB/s
x1
  • 115% higher vs Radeon HD 4830
  • 53% lower vs GeForce GTX 285 Mac
GeForce GTX 285 Mac - 204W
x2.15
Radeon HD 4830 - 95W
x1
Manufacturer
NVIDIA
Manufacturer
ATI
Chip Designer
NVIDIA
Chip Designer
ATI
Architecture
Tesla 2
Architecture
TeraScale 1
Family
GeForce 200
Family
Radeon HD 4000
Codename
NVA0
GT200B
Variant
GT200-350-B3
Codename
Wekiva
RV770
Variant
RV770 LE
Market Segment
Desktop
Market Segment
Desktop
Release Date
1/15/2009
Release Date
10/21/2008
Foundry
TSMC
Foundry
TSMC
Fabrication Node
55nm
Fabrication Node
55nm
Die Size
470 mm²
Die Size
256 mm²
Transistor Count
1.4 Billion
Transistor Count
956 Million
Transistor Density
2.98M/mm²
Transistor Density
3.73M/mm²
Form
PCIe Card
Form
PCIe Card
Shading Units
240 Shaders
Shading Units
640 Shaders
Texture Mapping Units
80 TMUs
Texture Mapping Units
32 TMUs
Render Output Units
32 ROPs
Render Output Units
16 ROPs
Streaming Multiprocessors
30 SMs
-
-
-
-
Compute Units
8 CUs
1476MHz Shader
648MHz
-
575MHz
Peak AI Performance
0.71 TOPS
INT32
Peak AI Performance
740 GFLOPS
FP32
FP32
710 GFLOPS
FP32
740 GFLOPS
FP64
90 GFLOPS
FP64
150 GFLOPS
INT32
0.71 TOPS
-
-
Pixel Fillrate
20.736 GPixel/s
Pixel Fillrate
9.2 GPixel/s
Texture Fillrate
51.84 GTexel/s
Texture Fillrate
18.4 GTexel/s
L1
-
Unknown
L1
16KB/CU
-
L2
256KB Shared
L2
256KB Shared
1GB
GDDR3
512MB
GDDR4
Bus Width
512Bit
Bus Width
256Bit
Clock
1242MHz
Transfer Rate
2.5GT/s
Bandwidth
159GB/s
Clock
900MHz
Transfer Rate
1.8GT/s
Bandwidth
57.6GB/s
TDP
204W
TDP
95W
-
2x DVI-I Dual-Link
1x S-Video
2x DVI-I Dual-Link
Max Resolution
2560x1600
Max Resolution
2560x1600
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
2
Multi Monitor Support
2
No Encoders
No Encoders
No Decoders
Model
UVD 2.0
-
-
Codec
VC-1
AVC (H.264)
Direct X
11
Direct 3D
10_0
Direct X
10
Direct 3D
10_1
OpenGL
3.3
OpenCL
1.1
OpenGL
3.3
OpenCL
1.1
Shader Model
4.0
CUDA
1.3
-
-
PureVideo HD
VP2
VDPAU
Feature Set A
Shader Model
4.1
-
-
GFX
3
-
-
-
-
1x Fan
1x Fan
Power Connectors
2x 6-Pin
Power Connectors
1x 6-Pin
Slots Required
2.0
PCIe Version
2.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
2.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
3-way SLI
Multi GPU Support
Supported
Type
2-way CrossFireX
Height
111 mm (4.37 in)
Width
267 mm (10.51 in)
Depth
38 mm (1.5 in)
-
-
-
-
-
-
Change Comparison