Home GPU Comparison ATI Radeon HD 3830 vs AMD Radeon R7 265

ATI Radeon HD 3830 vs AMD Radeon R7 265

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 3830 and 2GB VRAM Radeon R7 265 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3830 's Advantages
Lower TDP (75W vs 150W)
AMD Radeon R7 265 's Advantages
Released 5 years and 10 months late
Boost Clock925MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (179.2GB/s vs 26.50GB/s)
704 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 3830
0.428 TFLOPS
Radeon R7 265 +342%
1.894 TFLOPS
VS

Graphics Card

Apr 2008
Release Date
Feb 2014
Radeon R600
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
900 MHz
-
Boost Clock
925 MHz
828 MHz
Memory Clock
1400 MHz

Memory

256MB
Memory Size
2GB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
256bit
26.50GB/s
Bandwidth
179.2GB/s

Render Config

4
Compute Units
16
-
-
-
320
Shading Units
1024
16
TMUs
64
16
ROPs
32
-
-
-
-
-
-
-
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

10.69 GPixel/s
Pixel Rate
29.60 GPixel/s
10.69 GTexel/s
Texture Rate
59.20 GTexel/s
-
-
-
427.5 GFLOPS
FP32 (float)
1.894 TFLOPS
85.50 GFLOPS
FP64 (double)
118.4 GFLOPS

Board Design

75W
TDP
150W
250 W
Suggested PSU
450 W
No outputs
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
1x 6-pin
Power Connectors
1x 6-pin

Graphics Processor

RV670
GPU Name
Pitcairn
RV670 PRO (215-0708003)
GPU Variant
Pitcairn PRO (215-0828062)
TeraScale
Architecture
GCN 1.0
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.666 billion
Transistors
2.8 billion
192 mm²
Die Size
212 mm²

Graphics Features

10.1 (10_1)
DirectX
12 (11_1)
3.3 (full) 4.0 (partial)
OpenGL
4.6
N/A
OpenCL
1.2
N/A
Vulkan
1.2
-
-
-
4.1
Shader Model
5.1

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